Submitted URL: http://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-enterprise-systems
Effective URL: https://www.britannica.com/topic/information-system
Submission: On October 04 via manual from US

Summary

This website contacted 57 IPs in 6 countries across 38 domains to perform 265 HTTP transactions. The main IP is 38.69.47.81, located in United States and belongs to EB - Encyclopaedia Britannica, US. The main domain is www.britannica.com.
TLS certificate: Issued by COMODO RSA Domain Validation Secure S... on August 24th 2018. Valid for: a year.
This is the only time www.britannica.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 6 208.185.238.81 7767 (EB)
1 3 38.69.47.80 7767 (EB)
4 38.69.47.81 7767 (EB)
7 2a00:1450:400... 15169 (GOOGLE)
5 208.185.238.80 7767 (EB)
2 159.180.84.2 33047 (INSTART)
2 152.195.132.202 15133 (EDGECAST)
2 2.18.234.21 16625 (AKAMAI-AS)
1 2a00:1450:400... 15169 (GOOGLE)
1 143.204.214.51 16509 (AMAZON-02)
21 2600:9000:204... 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:204... 16509 (AMAZON-02)
2 2.16.186.113 20940 (AKAMAI-ASN1)
2 143.204.212.210 16509 (AMAZON-02)
6 2a00:1450:400... 15169 (GOOGLE)
6 2a00:1450:400... 15169 (GOOGLE)
12 216.58.210.2 15169 (GOOGLE)
10 2a00:1450:400... 15169 (GOOGLE)
1 13.74.252.44 8075 (MICROSOFT...)
2 178.250.0.130 44788 (ASN-CRITE...)
5 54.213.225.123 16509 (AMAZON-02)
1 34.217.172.220 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 3 2a00:1450:400... 15169 (GOOGLE)
1 2606:2800:233... 15133 (EDGECAST)
1 52.94.218.7 16509 (AMAZON-02)
2 143.204.214.43 16509 (AMAZON-02)
1 3 173.241.240.220 36089 (OPENX-AS1)
1 178.250.2.89 44788 (ASN-CRITE...)
9 152.195.39.114 15133 (EDGECAST)
1 23.211.2.27 16625 (AKAMAI-AS)
1 63.215.202.75 25751 (VALUECLICK)
9 213.19.162.41 26667 (RUBICONPR...)
1 21 185.33.223.100 29990 (ASN-APPNEXUS)
1 72.251.249.14 29791 (VOXEL-DOT...)
1 1 2a00:1450:400... 15169 (GOOGLE)
3 4 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 173.241.240.143 36089 (OPENX-AS1)
17 2a00:1450:400... 15169 (GOOGLE)
1 2.16.186.73 20940 (AKAMAI-ASN1)
1 52.72.138.185 14618 (AMAZON-AES)
9 2a00:1450:400... 15169 (GOOGLE)
1 2400:cb00:204... 13335 (CLOUDFLAR...)
24 2a00:1450:400... 15169 (GOOGLE)
10 143.204.214.102 16509 (AMAZON-02)
5 204.11.109.77 33419 (TRIBAL-FU...)
1 54.201.57.127 16509 (AMAZON-02)
7 2a00:1450:400... 15169 (GOOGLE)
1 178.250.0.71 44788 (ASN-CRITE...)
4 2.18.233.180 16625 (AKAMAI-AS)
1 178.250.0.66 44788 (ASN-CRITE...)
1 198.47.127.32 62713 (AS-PUBMATIC)
1 2a02:2638:1::1 44788 (ASN-CRITE...)
22 204.11.109.67 33419 (TRIBAL-FU...)
2 2a00:1450:400... 15169 (GOOGLE)
265 57
Apex Domain
Subdomains
Transfer
41 googlesyndication.com
tpc.googlesyndication.com
pagead2.googlesyndication.com
458 KB
39 britannica.com
www.britannica.com
safe.britannica.com
cdn.britannica.com
455 KB
22 tribalfusion.com
s.tribalfusion.com
10 KB
21 adnxs.com
secure.adnxs.com
17 KB
20 doubleclick.net
securepubads.g.doubleclick.net
stats.g.doubleclick.net
googleads.g.doubleclick.net
140 KB
10 windymed.com
windymed.com
12 KB
10 gstatic.com
fonts.gstatic.com
151 KB
10 google.com
adservice.google.com
www.google.com
2 KB
9 ampproject.org
cdn.ampproject.org
276 KB
9 rubiconproject.com
fastlane.rubiconproject.com
14 KB
9 advertising.com
adserver-us.adtech.advertising.com
905 B
9 googleapis.com
fonts.googleapis.com
ajax.googleapis.com
68 KB
7 google.de
adservice.google.de
www.google.de
2 KB
6 browsiprod.com
events.browsiprod.com
yield-manager.browsiprod.com
2 KB
5 pubmatic.com
ads.pubmatic.com
sshowads.pubmatic.com
aktrack.pubmatic.com
15 KB
5 exponential.com
tags.expo9.exponential.com
70 KB
4 criteo.com
bidder.criteo.com
cas.criteo.com
cat.fr.eu.criteo.com
gum.criteo.com
3 KB
4 openx.net
merriamwebster-d.openx.net
eu-u.openx.net
1 KB
3 google-analytics.com
www.google-analytics.com
17 KB
3 amazon-adsystem.com
c.amazon-adsystem.com
aax.amazon-adsystem.com
25 KB
3 akamaihd.net
middycdn-a.akamaihd.net
28 KB
2 appspot.com
amp-error-reporting.appspot.com
219 B
2 adtrue.com
cdn.adtrue.com
exchange.adtrue.com
track.adtrue.com Failed
4 KB
2 casalemedia.com
as-sec.casalemedia.com
1 KB
2 ad-delivery.net
ad-delivery.net
1 KB
2 criteo.net
static.criteo.net
47 KB
2 cookielaw.org
cdn.cookielaw.org
40 KB
2 digitru.st
cdn.digitru.st
7 KB
1 cdnjquery.com
cluster-eu.cdnjquery.com
1 lijit.com
ap.lijit.com
2 KB
1 dotomi.com
web.hb.ad.cpe.dotomi.com
423 B
1 consensu.org
cookies.onetrust.mgr.consensu.org
1 googletagmanager.com
www.googletagmanager.com
39 KB
1 onetrust.com
geolocation.onetrust.com
333 B
1 jwplatform.com
content.jwplatform.com
29 KB
1 videoplayerhub.com
eb-com.videoplayerhub.com
8 KB
1 googletagservices.com
www.googletagservices.com
9 KB
1 indexww.com
js-sec.indexww.com
37 KB
265 38
Domain Requested by
24 pagead2.googlesyndication.com securepubads.g.doubleclick.net
s.tribalfusion.com
pagead2.googlesyndication.com
22 s.tribalfusion.com tags.expo9.exponential.com
www.britannica.com
21 secure.adnxs.com 1 redirects js-sec.indexww.com
www.britannica.com
secure.adnxs.com
21 cdn.britannica.com www.britannica.com
17 tpc.googlesyndication.com securepubads.g.doubleclick.net
www.britannica.com
16 www.britannica.com 2 redirects www.britannica.com
securepubads.g.doubleclick.net
ajax.googleapis.com
12 securepubads.g.doubleclick.net www.googletagservices.com
securepubads.g.doubleclick.net
www.britannica.com
10 windymed.com www.britannica.com
windymed.com
10 fonts.gstatic.com www.britannica.com
9 cdn.ampproject.org securepubads.g.doubleclick.net
9 fastlane.rubiconproject.com js-sec.indexww.com
9 adserver-us.adtech.advertising.com js-sec.indexww.com
7 googleads.g.doubleclick.net pagead2.googlesyndication.com
7 fonts.googleapis.com www.britannica.com
securepubads.g.doubleclick.net
6 adservice.google.com www.googletagservices.com
pagead2.googlesyndication.com
6 adservice.google.de www.googletagservices.com
pagead2.googlesyndication.com
5 tags.expo9.exponential.com securepubads.g.doubleclick.net
5 yield-manager.browsiprod.com middycdn-a.akamaihd.net
4 www.google.com 3 redirects www.britannica.com
3 ads.pubmatic.com cas.criteo.com
ads.pubmatic.com
3 merriamwebster-d.openx.net 1 redirects www.britannica.com
3 www.google-analytics.com 1 redirects www.britannica.com
www.google-analytics.com
3 middycdn-a.akamaihd.net www.britannica.com
middycdn-a.akamaihd.net
2 amp-error-reporting.appspot.com cdn.ampproject.org
2 as-sec.casalemedia.com js-sec.indexww.com
2 ad-delivery.net eb-com.videoplayerhub.com
www.britannica.com
2 static.criteo.net js-sec.indexww.com
exchange.adtrue.com
2 c.amazon-adsystem.com www.britannica.com
c.amazon-adsystem.com
2 ajax.googleapis.com www.britannica.com
cdn.cookielaw.org
2 safe.britannica.com www.britannica.com
2 cdn.cookielaw.org www.britannica.com
cdn.cookielaw.org
2 cdn.digitru.st www.britannica.com
cdn.digitru.st
1 aktrack.pubmatic.com www.britannica.com
1 gum.criteo.com secure.adnxs.com
1 sshowads.pubmatic.com ads.pubmatic.com
1 cat.fr.eu.criteo.com cas.criteo.com
1 cas.criteo.com static.criteo.net
1 exchange.adtrue.com www.britannica.com
1 cdn.adtrue.com securepubads.g.doubleclick.net
1 cluster-eu.cdnjquery.com eb-com.videoplayerhub.com
1 eu-u.openx.net js-sec.indexww.com
1 www.google.de www.britannica.com
1 stats.g.doubleclick.net 1 redirects
1 ap.lijit.com js-sec.indexww.com
1 web.hb.ad.cpe.dotomi.com js-sec.indexww.com
1 bidder.criteo.com static.criteo.net
1 aax.amazon-adsystem.com c.amazon-adsystem.com
1 cookies.onetrust.mgr.consensu.org ajax.googleapis.com
1 www.googletagmanager.com www.britannica.com
1 events.browsiprod.com middycdn-a.akamaihd.net
1 geolocation.onetrust.com ajax.googleapis.com
1 content.jwplatform.com www.britannica.com
1 eb-com.videoplayerhub.com www.britannica.com
1 www.googletagservices.com www.britannica.com
1 js-sec.indexww.com www.britannica.com
0 track.adtrue.com Failed www.britannica.com
265 56
Subject Issuer Validity Valid
*.britannica.com
COMODO RSA Domain Validation Secure Server CA
2018-08-24 -
2019-08-24
a year crt.sh
*.googleapis.com
Google Internet Authority G3
2018-09-18 -
2018-12-11
3 months crt.sh
cdn.digitru.st
DigiCert SHA2 Secure Server CA
2018-05-17 -
2019-05-22
a year crt.sh
sa437gl.wpc.edgecastcdn.net
DigiCert SHA2 Secure Server CA
2018-05-17 -
2020-08-19
2 years crt.sh
san.casalemedia.com
GeoTrust RSA CA 2018
2018-04-16 -
2019-02-06
10 months crt.sh
*.g.doubleclick.net
Google Internet Authority G3
2018-09-18 -
2018-12-11
3 months crt.sh
*.videoplayerhub.com
Amazon
2018-08-01 -
2019-09-01
a year crt.sh
cdn.britannica.com
Amazon
2018-03-06 -
2019-04-06
a year crt.sh
jwplayer.com
Amazon
2018-02-05 -
2019-03-05
a year crt.sh
a248.e.akamai.net
DigiCert ECC Secure Server CA
2018-01-23 -
2019-01-19
a year crt.sh
c.amazon-adsystem.com
Amazon
2018-03-12 -
2019-03-12
a year crt.sh
*.google.com
Google Internet Authority G3
2018-09-18 -
2018-12-11
3 months crt.sh
*.onetrust.com
DigiCert SHA2 Secure Server CA
2017-06-08 -
2020-06-19
3 years crt.sh
*.criteo.net
DigiCert SHA2 Secure Server CA
2017-11-21 -
2018-11-26
a year crt.sh
*.browsiprod.com
COMODO ECC Domain Validation Secure Server CA
2018-05-02 -
2019-05-24
a year crt.sh
*.google-analytics.com
Google Internet Authority G3
2018-09-18 -
2018-12-11
3 months crt.sh
snic232gl.wpc.edgecastcdn.net
DigiCert SHA2 Secure Server CA
2018-08-09 -
2020-08-12
2 years crt.sh
aax-eu.amazon-adsystem.com
Amazon
2018-03-08 -
2019-03-08
a year crt.sh
ad-delivery.net
Amazon
2018-04-05 -
2019-05-05
a year crt.sh
*.openx.net
DigiCert ECC Secure Server CA
2018-04-03 -
2019-04-08
a year crt.sh
*.criteo.com
DigiCert SHA2 Secure Server CA
2017-11-21 -
2018-11-26
a year crt.sh
*.adtech.advertising.com
DigiCert SHA2 High Assurance Server CA
2018-05-22 -
2020-05-26
2 years crt.sh
ad.cpe.dotomi.com
GlobalSign Organization Validation CA - SHA256 - G2
2018-05-25 -
2020-05-25
2 years crt.sh
*.rubiconproject.com
DigiCert SHA2 Secure Server CA
2016-01-12 -
2019-03-01
3 years crt.sh
*.adnxs.com
DigiCert ECC Secure Server CA
2018-01-25 -
2019-01-25
a year crt.sh
*.lijit.com
Go Daddy Secure Certificate Authority - G2
2018-03-11 -
2019-05-10
a year crt.sh
www.google.de
Google Internet Authority G3
2018-08-28 -
2018-11-20
3 months crt.sh
tpc.googlesyndication.com
Google Internet Authority G3
2018-09-18 -
2018-12-11
3 months crt.sh
*.assetbucket.net
Amazon
2018-09-26 -
2019-10-26
a year crt.sh
misc-sni.google.com
Google Internet Authority G3
2018-08-28 -
2018-11-20
3 months crt.sh
*.adtrue.com
COMODO RSA Domain Validation Secure Server CA
2017-08-04 -
2020-09-02
3 years crt.sh
windymed.com
Amazon
2018-04-25 -
2019-05-25
a year crt.sh
*.expo9.exponential.com
Go Daddy Secure Certificate Authority - G2
2016-09-29 -
2018-10-30
2 years crt.sh
www.google.com
Google Internet Authority G3
2018-09-18 -
2018-12-11
3 months crt.sh
*.pubmatic.com
DigiCert SHA2 Secure Server CA
2018-02-09 -
2019-02-09
a year crt.sh
*.fr.eu.criteo.com
DigiCert SHA2 Secure Server CA
2017-11-13 -
2018-11-21
a year crt.sh
*.tribalfusion.com
Go Daddy Secure Certificate Authority - G2
2015-09-03 -
2018-10-07
3 years crt.sh
*.appspot.com
Google Internet Authority G3
2018-08-28 -
2018-11-20
3 months crt.sh

This page contains 49 frames:

Primary Page: https://www.britannica.com/topic/information-system
Frame ID: BB95AF3E0AECCA734AE09859304450DB
Requests: 128 HTTP requests in this frame

Frame: https://cdn.digitru.st/prod/1.5.11/dt.html
Frame ID: 28C9530EFF5237E67A80625540D77ECD
Requests: 1 HTTP requests in this frame

Frame: https://cookies.onetrust.mgr.consensu.org/?name=euconsent&value=BAAAAAAOVHIy7AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&expire=30
Frame ID: D1821960011CF2CDFC08B4B6D625AA59
Requests: 1 HTTP requests in this frame

Frame: https://eu-u.openx.net/w/1.0/pd?plm=10&ph=d9e06c38-9a27-4ee7-bad6-de601143d058&gdpr=1
Frame ID: 49E1D2E680A50313AD7441E7D852DFF8
Requests: 1 HTTP requests in this frame

Frame: https://cdn.adtrue.com/rtb/async.js
Frame ID: AC770D25AB18194586E718573826D09A
Requests: 4 HTTP requests in this frame

Frame: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Frame ID: 19536A518E13C895533E6DD5557682BC
Requests: 6 HTTP requests in this frame

Frame: https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Frame ID: 860AED01B3302934FEB4D914C8FC553B
Requests: 11 HTTP requests in this frame

Frame: https://tags.expo9.exponential.com/tags/Britannicacom/Index_INTL/tags.js
Frame ID: 2F539CBDF51B8392D5C4315336A2527D
Requests: 11 HTTP requests in this frame

Frame: https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Frame ID: 0DC70EBAFC602DF12578651A186BB1E3
Requests: 11 HTTP requests in this frame

Frame: https://tpc.googlesyndication.com/safeframe/1-0-29/html/container.html
Frame ID: ED40A3FE5C3EF1AD906A15FEF1F12749
Requests: 1 HTTP requests in this frame

Frame: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js
Frame ID: F32C973DFBA472B4D023D7860E1A06B1
Requests: 16 HTTP requests in this frame

Frame: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js
Frame ID: 4096FE33C0F584F8BA5CA8CFE1199760
Requests: 16 HTTP requests in this frame

Frame: https://tags.expo9.exponential.com/tags/Britannicacom/INTLATF/tags.js
Frame ID: 7F40E69D33239F9C4C0DE151EF356111
Requests: 12 HTTP requests in this frame

Frame: https://tags.expo9.exponential.com/tags/Britannicacom/INTLBTF/tags.js
Frame ID: B9FB7187060BB090745827002394D034
Requests: 11 HTTP requests in this frame

Frame: https://exchange.adtrue.com/delivery/impress?pzoneid=9171&ref=https://www.britannica.com/topic/information-system&cb=2620850215&loc=https://www.britannica.com/topic/information-system
Frame ID: 2B3ABF02FA84DC00BFF78ACCF1FC0845
Requests: 9 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=ad80a374ccc8ed47582fd9850775b8288&cb=9731031538657812574
Frame ID: 676307B7FE75E2EB34760A2E2E21C0CF
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=e67727f2f056fb1421f09a0814dd27de3&cb=7494161538657812586
Frame ID: A49E96906D91FCA40CA0E6E4A1F6E616
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=d3b7b87922613710a898b7c68cace9d31&cb=6915311538657812595
Frame ID: 1186C2EDAC6BD47AEA306B2DAB4C1595
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=a8f622c8aa14a9f369a2cc946a41f3ac1&cb=2022981538657812601
Frame ID: 4489D53DCAD1B87DA21EDBDBAE75FAD1
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=0d5613e1a8febe648301d903f73453409&cb=5507021538657812611
Frame ID: A12A2F4EB1E417E69DDBCDC5A9FFE019
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=9ab0bc24bb5ab6fcbf4ac97700b875c95&cb=2069061538657812618
Frame ID: 9664239654FB36E4597AA6E181A09A08
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=be62e17e59a5aa637822dd2d64c8d1a09&cb=8073791538657812627
Frame ID: 3A8EC871455F7026433DF2D2734F15D2
Requests: 1 HTTP requests in this frame

Frame: https://windymed.com/d?i=fzni66jmk0klknp3hi&a=ee3941985435dfacbe41c7512b19dcbc7&cb=6909341538657812632
Frame ID: 00E4852191E6131E7748B778FB294D11
Requests: 1 HTTP requests in this frame

Frame: https://track.adtrue.com/track/request?pzoneid=9171&domain=britannica.com&ref=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&loc=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Frame ID: F2CCB91F007E7B82B62175029DC71B3F
Requests: 1 HTTP requests in this frame

Frame: https://ads.pubmatic.com/AdServer/js/showad.js
Frame ID: 7264F2F3113BBC49240DFCC19D472E09
Requests: 1 HTTP requests in this frame

Frame: https://ads.pubmatic.com/AdServer/js/showad.js
Frame ID: 25B49112DF720CD8B7A8A26E682C00B7
Requests: 1 HTTP requests in this frame

Frame: https://aktrack.pubmatic.com/AdServer/AdDisplayTrackerServlet?operId=1&pubId=155495&siteId=251459&adId=1257780&adType=3&adServerId=165&kefact=0.300000&kaxefact=0.300000&kadNetFrequecy=0&kadwidth=300&kadheight=250&kadsizeid=0&kltstamp=1538657813&indirectAdId=1039110&adServerOptimizerId=1&ranreq=0.6440125003116461&kpbmtpfact=0.000000&dcId=3&tldId=0&passback=11&svr=ADS22313&ekefact=FQ62W4IkBgCncPDF1KTcIM6yVhXmeGsKrjqAfj_QxxLGAvUc&ekaxefact=FQ62W5QkBgAwq_bX-Xfz3kndmY_oEQbI6tOTuRhG6ZViPD1I&ekpbmtpfact=FQ62W6MkBgBRmumsXycii9BmFMYmJRfHpCL4zK7GSE3GlRG5&crID=0&campaignId=0&isRTB=0&imprId=30E723A4-D5C3-4C0B-B477-488D259DDB2F&oid=30E723A4-D5C3-4C0B-B477-488D259DDB2F&cntryId=58&domain=britannica.com&pageURL=britannica.com&sec=1&pmc=0
Frame ID: 531B50A1C70E8F0870AF089097E369E6
Requests: 1 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Frame ID: 4B994C8C7F3C95B1F08AD882F58C04A2
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aImSwYTTvlQE3HSs7ARFivSdUkWGQS5U6ooWapXEex3WrZaQcjZa5mrJpHZaoUWQ80r7aYFJ90EyORrQFWUY4WdQTnr7oPbbN1Tvy4aUf5q7XoTBDYbjaWWBXmmfKpGvpmtnJ5TFe3Wmr3AZbZdmUfZdYsfRXcM11sBNmaB43FFVTFfZcWm7WREQ5PVvpSd7r1dbuV6Qv3Vv5XrQKTmqq2PZbS6lZd984&mediaDataID=6546596&mediaName=frame.html
Frame ID: 186CDF0008715B6D2C25BABA47470DB7
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aJmSwYScMMQdBOYHnxWPnp3snWYrrJU6ip263aPPMC3d3y0tYAmd6y4AUW4Vj9VsBdWsj8RmZbmUt3UWrb32rExVq3mVaBlSEMFRcQZdQbupPH3bWVfS5F2xmWqq0qmw4WMZdSVMF4PJZamdirUt36YUfcXU7k1TZaoSUnZbUFBYTtQWmFQuRUFpXaMp3E7a4qMRmTJCXUj9Ud7QmAnZdpG7BhfVrrE&mediaDataID=7665496&mediaName=frame.html
Frame ID: A9EED725273B81CCD77D5E0FB4A4B4F9
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aKmSwY1Ery5EJi4qjQnqfIXFF6THrTnPfIpsnsotfB2q383WeN4AFImUnKYcfS1sZb20Vfnnqn23F3TTFfDVPvWQEUXQsQMSdfr0HvrWmbv4sQ2YFFJUPPw46Zb9R6bD4dUOXHJJnH2v36rP4V77UVJbVcFlS6MMTWM3UbM05bEuWEjwTTraPErZbQGbCPbavRHUcVs3U4byomdin0qeI8pJvu5&mediaDataID=4056396&mediaName=frame.html
Frame ID: C3262D2784AC30B42FF66A709302F087
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aTmSwY4WMO0H3CntIw56UY4VYcUGQ7VsMhP6UNUWFUUr735UEuVqQtWq37PTBZaQGYIPbevRdfkWGMW2FusntiyYqXv4W3ZdSVJZa5AJKptXsVWj6XrM7XUb90TqsPbQEWbYSTdB4mUQmRUBtXaJt4aUi5aY5naFHXFjfUWMRoAnBns7vmH3H3EQ93tEN5PbGnrQZcYcQPYGY50G7OpTvbaaU1F3&mediaDataID=6530936&mediaName=frame.html
Frame ID: AEE453655A59E2710DE24FE1615E025A
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aUmSoX5EM75dIm3mJInUbKYcnRYGMXXGjonTJU5UUTVrFZbWP7XQq32QGrmStBtYd7oV6bw4cJ5XF3DT6Xq4ABaQ6bJ3tZbM1dBZdpdey36YY5s39UGQdVVMfPPYoUtQ4UbMR5rInUqnvWq38Sa3KQVBZcQbZasSW39VGbU2Fuxmtqq0qap3tYHPcJF5PJZboWXqUtJcYrndYbZbh0qZaMPcUsiPGgMb&mediaDataID=5436426&mediaName=frame.html
Frame ID: 34DAC0A4FF94497174E132B64B1F65FF
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aVmSwYSGFZa46QFoH6NUdFhYbQ6XU7e1qqqPUYBUbB1VtU0oFJxQUJmXaQo4qUj2qfXmEjIYU3hUWbPoAnZamVvvpHYD5qM75dZaN4mvLmbbZc0GUP1s3X1sFnnavU5U3UTrfZcUPf3Pab0ScvqPWYN0HvmW63N3Gv0YbrDT6im2PUePPMJ4WMm0tQZamHeo5m3Y5sY6UGndWG7hRP3yWdFcduNdxG&mediaDataID=7423766&mediaName=frame.html
Frame ID: 72B35A144CC4820C670BE00329C7BFF9
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aWmSwYXWnAntEu5PZbV5VvgUGFaWcBfSAFxWWUQUFMX3bArUErvWTr7PqULRVQLRbmpRWniWsj34UupodioYamm3dUFSsvZa26rHpWXnUHQ70bUbXbUi0EIMRUJGWUY0THQWobYoPrrr1Enr4qYl5T70nTFFXFjcTtFXmPfLpGvwotfK5Evi5Hiq4AZbGnbvEXG3PXGM20cbunT7P5UFd9mER5w&mediaDataID=6680176&mediaName=frame.html
Frame ID: 83EE5FB14B7DEA578411A273C20E2E64
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=aYmSwY2mvHotArUtZbdYrMkXrQiXqetSrJEWbQ5VHJ5mrZbsRbjNXEvo4qBg5E71oErCYbFfUdr0mPnJpGvtpWnK2EMh5diN3PFGmFbJYVfP1cv31GfymaF43bFWTFfHUmvTRTjXQGZbsSt7y0WrpWPbx3svXYbrZaUATw4AZb8R6bK2dZbyXWrDnWiM4ArY5cngTcMdVGFeRmYxUd3SWrMhapa6Le&mediaDataID=6807466&mediaName=frame.html
Frame ID: 27B37EE0C5350CBF0CB8A179B4601ABD
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=a0mSwYpdio5mYS4VvdUV3jVGnlRmvMTtFTWFj23U2mWqnqTaQlPTMLRsFZaQrumPWfcWGr54bevmtit0qmN3tMZaPGFG26QHmtayUdQcYrfa1Ube1qZapRFrZbUbBXTtQ4oFJxRFMtYaFt3T7j5EjYnaMAXrjaTtFWnmQBnV7mmHnJ3qZb85tEo5PnKmFQEXVr0Ycn21cBxnqbW3U3RTFnr9hk3jj&mediaDataID=6719746&mediaName=frame.html
Frame ID: 1BEFB3FCB6F025DDB6A9EEAB26F93016
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=a1mSwY3AJGnbnKYG3UXsQVXs7yma7Q2FFUTr7CWm72PEv2SVUMPtfx0WjsW6bw4cJ5XF3DTPau4AU6R6bH3HUy1WnKptIo3mMY4GjdUsJdUcBgR6vMUHv3UFM15bEnUErvTEBcQqBZcQVbLQUqoSt7aVV3R5rXqnWZaOXaev4dMZdQsrZd2mFZaodPoUtbhXrrkYUjf1EZatRFUEUUY3TtJil6emxE&mediaDataID=8039566&mediaName=frame.html
Frame ID: 4EBF987D6088B0FB6B339AF0A670E6D2
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=a2mSoXmdeyVHfaYUvdYrYj1quoPrrDWUUPVtv2orBpPbBMYTFm4ajf4EY5oTfK1bZb9UHMQoP7LnVnwoW3H3TBj2tey5AvEmFbL0G3T1c3V0GJunEB22bFWTFjZcWPrWPTbSSsYqStJr0WjrTPvy4sQYYFvZaU6Pr5AZb8R6bK2HZbqXWZbAmt6v4AMU4Vj6TVJbVGblSA3xUWQUUbFP5cADiXPDxk&mediaDataID=5406476&mediaName=frame.html
Frame ID: 7B78E0AC715A6271C6DC93132F7E9B80
Requests: 1 HTTP requests in this frame

Frame: https://s.tribalfusion.com/p.media?clickID=a3mSwY36nY5cnfTsFaWGf8SmMmWtrUTbMY5UZaqWEjnVTU8SaYFRVjZaQUitSd7bUGjU4UmxmHyMXamx4dMCPVjZd5mvZbmtayVHjhYUf9XFYfXaaOPrnDUbMSVHJ2orJoRbjN1TZbr5qUl2aU1nqnDXFU7THFUnmQZcmsYwoWfD5EU73HmM3AZbJmbrZc0V30YsYV0GZbxmqBT3rYUVFfAUA7lf3csZaC&mediaDataID=6453196&mediaName=frame.html
Frame ID: 71036A778D9C416334A5521FBB66B347
Requests: 1 HTTP requests in this frame

Frame: https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=7248794515&adk=317905789&adf=2638734739&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814650&bpp=25&bdt=2913&fdt=26&idt=405&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=2&ga_vid=1001804906.1538657815&ga_sid=1538657815&ga_hid=181315744&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=3418&biw=1585&bih=1200&isw=300&ish=250&ifk=1342564802&scr_x=0&scr_y=0&eid=21060853%2C21061795&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=92851060&ifi=1&fsb=1&dtd=424
Frame ID: A5EA410A3C792DC2538F5CAA85DD2A46
Requests: 1 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Frame ID: 2AE7625C9F78CEE347AFEDE07F552720
Requests: 1 HTTP requests in this frame

Frame: https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=1764970917&adk=1135210636&adf=2260553169&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814691&bpp=9&bdt=2955&fdt=416&idt=418&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1447286292.1538657815&ga_sid=1538657815&ga_hid=1793972066&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=2710&biw=1585&bih=1200&isw=300&ish=250&ifk=511912219&scr_x=0&scr_y=0&eid=21060853&oid=2&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=259059923&ifi=1&fsb=1&dtd=425
Frame ID: D517427AA35C9987CF52BD1F8340E5FB
Requests: 1 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Frame ID: F17E47F2191ABC7D3BF41E1227312450
Requests: 1 HTTP requests in this frame

Frame: https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=4633372911&adk=4277038444&adf=59502239&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814831&bpp=46&bdt=3086&fdt=339&idt=340&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=212484014.1538657815&ga_sid=1538657815&ga_hid=253075280&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=432&biw=1585&bih=1200&isw=300&ish=250&ifk=3376168790&scr_x=0&scr_y=0&eid=21060853&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeE%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=1717443543&ifi=1&fsb=1&dtd=345
Frame ID: BE8C3C4503242B7DDB3843A470E7CAC9
Requests: 1 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Frame ID: 9830A3F9B3543C0826C166CFE53D228E
Requests: 1 HTTP requests in this frame

Frame: https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=90&slotname=9203173311&adk=2521100404&adf=517648723&w=728&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814898&bpp=30&bdt=3160&fdt=307&idt=308&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1141385331.1538657815&ga_sid=1538657815&ga_hid=1706488031&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=579&ady=8725&biw=1585&bih=1200&isw=728&ish=90&ifk=684105145&scr_x=0&scr_y=0&eid=21060853&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C728%2C90&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=1913082611&ifi=1&fsb=1&dtd=346
Frame ID: 4597FE001AC87D1DDAC968BEF7DDF340
Requests: 1 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Frame ID: 3A3F7CB240EB3F24DEA7B17D2430E5C3
Requests: 1 HTTP requests in this frame

Frame: https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=2791759315&adk=423231831&adf=832337233&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814940&bpp=24&bdt=3192&fdt=437&idt=439&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1542145864.1538657815&ga_sid=1538657815&ga_hid=1113099298&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=1886&biw=1585&bih=1200&isw=300&ish=250&ifk=1037594745&scr_x=0&scr_y=0&eid=21060853%2C21070024%2C188690903&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=2224538688&ifi=1&fsb=1&dtd=452
Frame ID: 584A214C04AC9F40932D52C9E3D18738
Requests: 1 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-ent... HTTP 301
    https://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-ent... HTTP 301
    https://www.britannica.com/topic/information-system Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /mod_jk(?:\/([\d\.]+))?/i

Overall confidence: 100%
Detected patterns
  • headers server /Unix/i

Overall confidence: 100%
Detected patterns
  • headers server /mod_jk(?:\/([\d\.]+))?/i

Overall confidence: 100%
Detected patterns
  • headers server /(?:Apache(?:$|\/([\d.]+)|[^\/-])|(?:^|)HTTPD)/i
  • headers server /mod_jk(?:\/([\d\.]+))?/i

Overall confidence: 100%
Detected patterns
  • headers server /mod_jk(?:\/([\d\.]+))?/i

Overall confidence: 100%
Detected patterns
  • env /pbjs/i

Overall confidence: 100%
Detected patterns
  • env /^criteo/i

Overall confidence: 100%
Detected patterns
  • script /googletagservices\.com\/tag\/js\/gpt(?:_mobile)?\.js/i

Overall confidence: 100%
Detected patterns
  • script /googlesyndication\.com\//i
  • env /^__google_ad_/i
  • env /^Goog_AdSense_/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|(analytics))\.js/i
  • env /^gaGlobal$/i

Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com/i

Overall confidence: 100%
Detected patterns
  • env /^googletag$/i
  • env /^google_tag_manager$/i

Overall confidence: 100%
Detected patterns
  • script /\/([\d.]+)\/jquery(?:\.min)?\.js/i
  • script /jquery.*\.js/i
  • env /^jQuery$/i

Page Statistics

265
Requests

100 %
HTTPS

37 %
IPv6

38
Domains

56
Subdomains

57
IPs

6
Countries

1986 kB
Transfer

6539 kB
Size

19
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-enterprise-systems HTTP 301
    https://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-enterprise-systems HTTP 301
    https://www.britannica.com/topic/information-system Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 72
  • https://merriamwebster-d.openx.net/w/1.0/arj?auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%7C728x90%7C300x250%7C300x250%7C728x90%7C300x250&ju=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&jr=&ch=UTF-8&tz=0&bc=hb_ix&be=1&res=1600x1200&tws=1585x1200&ifr=0&callback=window.headertag.OpenXHtb.adResponseCallbacks._2dIFPx0y&cache=1538657811008 HTTP 302
  • https://merriamwebster-d.openx.net/w/1.0/arj?cc=1&auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%7C728x90%7C300x250%7C300x250%7C728x90%7C300x250&ju=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&jr=&ch=UTF-8&tz=0&bc=hb_ix&be=1&res=1600x1200&tws=1585x1200&ifr=0&callback=window.headertag.OpenXHtb.adResponseCallbacks._2dIFPx0y&cache=1538657811008
Request Chain 113
  • https://www.google-analytics.com/r/collect?v=1&_v=j69&a=337077589&t=pageview&_s=1&dl=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&dp=TOPIC%2FPAGINATED%2FLARGE%2Ftopic%2Finformation-system&ul=en-us&de=UTF-8&dt=information%20system%20%7C%20Definition%2C%20Examples%2C%20%26%20Facts%20%7C%20Britannica.com&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=aGBAAEIh~&jid=977427467&gjid=69269370&cid=257465993.1538657811&tid=UA-6636134-11&_gid=817855613.1538657811&_r=1&cd1=ANONYMOUS&cd2=C&z=672267650 HTTP 302
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_gid=817855613.1538657811&gjid=69269370&_v=j69&z=672267650 HTTP 302
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_v=j69&z=672267650 HTTP 302
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_v=j69&z=672267650&slf_rd=1&random=3376640909
Request Chain 188
  • https://www.google.com/pagead/drt/ui HTTP 302
  • https://googleads.g.doubleclick.net/pagead/drt/si
Request Chain 189
  • https://www.google.com/pagead/drt/ui HTTP 302
  • https://googleads.g.doubleclick.net/pagead/drt/si
Request Chain 199
  • https://secure.adnxs.com/ttj?id=12703926 HTTP 302
  • https://secure.adnxs.com/bounce?%2Fttj%3Fid%3D12703926

265 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request Cookie set information-system
www.britannica.com/topic/
Redirect Chain
  • http://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-enterprise-systems
  • https://www.britannica.com/EBchecked/topic/287895/information-system/218054/Operational-support-and-enterprise-systems
  • https://www.britannica.com/topic/information-system
109 KB
26 KB
Document
General
Full URL
https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
38.69.47.81 , United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.29 (Unix) mod_jk/1.2.42 /
Resource Hash
d5c50bf9128e10db2cd930caf5347d21e826e2a9b50a03eaf4c327116d7a1e2b

Request headers

Host
www.britannica.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Accept-Encoding
gzip, deflate
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:49 GMT
Server
Apache/2.4.29 (Unix) mod_jk/1.2.42
X-TServer
bps01-vm-apps-15/10.208.6.80
Set-Cookie
subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; Domain=britannica.com; Path=/ webstats="referer_page=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system"; Version=1; Domain=britannica.com; Path=/ webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; Version=1; Domain=britannica.com; Path=/ __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; Domain=britannica.com; Path=/
Content-Language
en-US
Vary
Accept-Encoding,User-Agent
Content-Encoding
gzip
X-WServer
web-vm-apps-15
Content-Length
25924
Connection
close
Content-Type
text/html;charset=UTF-8
fEnd
britannica-ha18-12

Redirect headers

Date
Thu, 04 Oct 2018 12:56:48 GMT
Server
Apache/2.4.29 (Unix) mod_jk/1.2.42
X-TServer
bps01-vm-apps-12/10.208.6.61
Set-Cookie
bcomID=-3003331428633776050; Domain=britannica.com; Expires=Sun, 01-Oct-2028 12:56:51 GMT; Path=/ SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; Version=1; Domain=britannica.com; Path=/
Location
https://www.britannica.com/topic/information-system
Connection
close
Content-Length
0
X-WServer
web-vm-apps-12
Vary
User-Agent
fEnd
britannica-ha17-13
css
fonts.googleapis.com/
9 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Montserrat:300,400,400i,700,700i
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
00c10cd9609d2c1e286cfa483b7f289fa8c373780547cce468979b013a6da1db
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:49 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:49 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:49 GMT
css
fonts.googleapis.com/
273 B
317 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Cinzel&text=ENCYCLOP%C3%86DIA%20BRITANNICA
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
bc1f9fa36441d81ac65c85aa36193609db245fe46a2d036bc4aff4a2c4a47308
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:49 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:49 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:49 GMT
icon
fonts.googleapis.com/
574 B
421 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/icon?family=Material+Icons
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
6ebdbdf01e78babe586c8cc981e09e38b3c080a54a8fdc16d5e4d757a866307b
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:49 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:49 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:49 GMT
reset.css
www.britannica.com/resources/css/libs/
2 KB
1 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/css/libs/reset.css
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.80 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
6da1cf5e47d5706952d890a2bf59446dd6d7c771f91b6102c3431aba1ca8ade3

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/css,*/*;q=0.1
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:55:58 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"6a7-575c21856cc00-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha01-10
Connection
close
Accept-Ranges
bytes
Content-Type
text/css
Content-Length
783
X-WServer
web.vm-p3-1
mendel-css.css
www.britannica.com/resources/dist/
233 KB
38 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/dist/mendel-css.css?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.80 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
44289146c0edb49b39e06c62d03911f251066c3bacacd976eb298b2620dfcac6

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/css,*/*;q=0.1
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:55:58 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:10:37 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"3a503-575c21bf99540-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha01-10
Connection
close
Accept-Ranges
bytes
Content-Type
text/css
Content-Length
38720
X-WServer
web.vm-p3-1
topic-page.css
www.britannica.com/resources/dist/
15 KB
3 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/dist/topic-page.css?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.80 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
71b962f2925f4e9b64f6a41f602665df8c3b6dad7a2b38d04c99a28fc994b167

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/css,*/*;q=0.1
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:57:21 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:10:37 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"3ac0-575c21bf99540-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha01-10
Connection
close
Accept-Ranges
bytes
Content-Type
text/css
Content-Length
3164
X-WServer
web.vm-p3-2
mendel-icons.css
www.britannica.com/resources/css/fontello/css/
3 KB
1 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/css/fontello/css/mendel-icons.css
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.80 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
c5a6ea0906d8b06da72761c824ce62bd76be290dee427c30f22a12f2d3250f7b

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/css,*/*;q=0.1
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:48 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"a8f-575c21856cc00-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha01-10
Connection
close
Accept-Ranges
bytes
Content-Type
text/css
Content-Length
1038
X-WServer
web.vm-p3-3
digitrust.min.js
cdn.digitru.st/prod/1/
21 KB
7 KB
Script
General
Full URL
https://cdn.digitru.st/prod/1/digitrust.min.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
159.180.84.2 , United States, ASN33047 (INSTART - Instart Logic, Inc, US),
Reverse DNS
Software
DTOrigin /
Resource Hash
ec08511d8dc9837bcde07039cd2f9d739e7c2fa8221eab1897918d3d9409b29b

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:21:38 GMT
content-encoding
gzip
age
2111
p3p
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
status
200
x-instart-cache-id
19:11805771040641683124::1538655698
content-length
6570
last-modified
Fri, 17 Aug 2018 15:47:22 GMT
server
DTOrigin
etag
"b25ce7180b9c123a13fb5b6ea3e6e0f1"
content-type
application/javascript
access-control-allow-origin
*
cache-control
max-age=86400
x-instart-request-id
7688634868131833465:SEN01-CPVNPPRY11:1538657809:0
accept-ranges
bytes
expires
Fri, 05 Oct 2018 12:21:38 GMT
27a2ef98-038a-4230-96aa-2709169a8fc6.js
cdn.cookielaw.org/consent/
161 KB
35 KB
Script
General
Full URL
https://cdn.cookielaw.org/consent/27a2ef98-038a-4230-96aa-2709169a8fc6.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.132.202 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
ECAcc (frc/8F77) /
Resource Hash
c3545915c768fb78cacb9cb580c7fe6cc17582ae9c6ac9052e619e622e1a8325

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Thu, 04 Oct 2018 12:56:49 GMT
content-encoding
gzip
content-md5
T5INF7ED/PmDEIhYCEFtEw==
x-cache
HIT
status
200
content-length
35083
x-ms-lease-status
unlocked
last-modified
Fri, 14 Sep 2018 14:57:55 GMT
server
ECAcc (frc/8F77)
etag
0x8D61A5273CE3885
vary
Accept-Encoding
content-type
application/x-javascript
x-ms-request-id
d4ce1216-b01e-0083-1ec6-5b784b000000
cache-control
public, max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
htw-britannica.js
js-sec.indexww.com/ht/
130 KB
37 KB
Script
General
Full URL
https://js-sec.indexww.com/ht/htw-britannica.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.234.21 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a2-18-234-21.deploy.static.akamaitechnologies.com
Software
Apache /
Resource Hash
7cabc80abb8cf7a5b2bdce7c6c39369a3045fb2794761e402645594c9a06f61e

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:50 GMT
Content-Encoding
gzip
Last-Modified
Thu, 04 Oct 2018 12:55:06 GMT
Server
Apache
ETag
"902315-208c9-57766aa0dea07"
Vary
Accept-Encoding
P3P
policyref="/w3c/p3p.xml", CP="NOI DSP COR DEVa TAIa OUR BUS UNI"
Cache-Control
max-age=3579
Connection
keep-alive
Accept-Ranges
bytes
Content-Type
text/javascript
Content-Length
37064
Expires
Thu, 04 Oct 2018 13:56:29 GMT
gpt.js
www.googletagservices.com/tag/js/
23 KB
9 KB
Script
General
Full URL
https://www.googletagservices.com/tag/js/gpt.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:810::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
120711ec890576999d83ea5d5283f5f51e29f6225d5f2b45d11c5ab546879ec2
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
etag
"8 / 806 of 1000 / last-modified: 1538585607"
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
private, max-age=900, stale-while-revalidate=3600
timing-allow-origin
*
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
8717
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:49 GMT
videoplayer.js
eb-com.videoplayerhub.com/
23 KB
8 KB
Script
General
Full URL
https://eb-com.videoplayerhub.com/videoplayer.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.51 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-51.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
e86459f971427e57a52b0e73afc4655fee07f4dbc7ef63cb178449b74b6ab2f8

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 05:28:45 GMT
Content-Encoding
gzip
Last-Modified
Thu, 04 Oct 2018 05:20:53 GMT
Server
AmazonS3
Age
392
Vary
Accept-Encoding
X-Cache
Hit from cloudfront
Content-Type
application/javascript
Via
1.1 511c8b6c7e903efca023a504d527516b.cloudfront.net (CloudFront)
Transfer-Encoding
chunked
Connection
keep-alive
X-Amz-Cf-Id
4EjqUKLge6GjcHvXGP4Pz9KGsuA-3Eqk9_zs9nUKIsC8K7BGJrybvA==
thistle-white-half.svg
www.britannica.com/resources/images/shared/
20 KB
8 KB
Image
General
Full URL
https://www.britannica.com/resources/images/shared/thistle-white-half.svg?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
38.69.47.80 , United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.29 (Unix) mod_jk/1.2.42 /
Resource Hash
518e3c0cf893747e590ffb4514f31acc1b7dbca7e3c38f729c637c8817a6bdbc

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:50 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.29 (Unix) mod_jk/1.2.42
ETag
"4e22-575c21856cc00-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha17-13
Connection
close
Accept-Ranges
bytes
Content-Type
image/svg+xml
Content-Length
7754
X-WServer
web-vm-apps-12
subscriber-rollover-300x250-B
safe.britannica.com/safeimages/
52 KB
49 KB
Image
General
Full URL
https://safe.britannica.com/safeimages/subscriber-rollover-300x250-B
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
38.69.47.81 , United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.10 (Unix) mod_jk/1.2.40 OpenSSL/1.0.1c /
Resource Hash
7eb6839b8db8da229d8cb66e532932cc033d0ff93de49f3d2225bcdf6b0152ca

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
safe.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:52 GMT
Content-Encoding
gzip
Last-Modified
Thu, 01 Dec 2016 23:07:09 GMT
Server
Apache/2.4.10 (Unix) mod_jk/1.2.40 OpenSSL/1.0.1c
ETag
"d053-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha18-12
Connection
close
Accept-Ranges
bytes
Content-Type
image/jpeg
Content-Length
49743
X-WServer
mjrpia0-vm-apps-17
extension-CHROME.png
www.britannica.com/resources/images/header/
3 KB
3 KB
Image
General
Full URL
https://www.britannica.com/resources/images/header/extension-CHROME.png?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.81 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
68278a3bbc8d2b8e56f006f5e01f5abe1cb055c92a749b37a852cf94f77ebb9d

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:55:59 GMT
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"b16-575c21856cc00"
fEnd
britannica-ha02-11
Connection
close
Accept-Ranges
bytes
Content-Type
image/png
Content-Length
2838
X-WServer
web.vm-p3-1
1689-004-E4A85B38.jpg
cdn.britannica.com/s:400x400/89/
6 KB
7 KB
Image
General
Full URL
https://cdn.britannica.com/s:400x400/89/1689-004-E4A85B38.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9a8331919f53cdefe42ddc9a0af8b0f652c27024bc73bcfcf6c13ec24693965d

Request headers

:path
/s:400x400/89/1689-004-E4A85B38.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:50:05 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 09 Aug 2018 19:17:56 GMT
server
AmazonS3
age
4813606
etag
"888439462672ce36e0edf8448c2024de"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
6339
x-amz-cf-id
gkqmAB564Vz5rCa8ohMQElxFVnwxtITD_GbK6esFYveMuTeJz4AelA==
1689-004-E4A85B38.jpg
cdn.britannica.com/s:180x300/89/
2 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:180x300/89/1689-004-E4A85B38.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
48a8093ca8ce1c89f4e1a81fc4c9f39bfd93aec842c48fe463d9cb86546017a9

Request headers

:path
/s:180x300/89/1689-004-E4A85B38.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:19:07 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Wed, 01 Aug 2018 06:04:44 GMT
server
AmazonS3
age
4815464
etag
"0272e6338bfe19eedcab6f888282cb2f"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
2093
x-amz-cf-id
C4RFM2p5WwxF_0Q7rPtIm4og-M_SbxQghiRQ82fYHs9LQRBeK6Arjg==
7744-004-5D8A5931.jpg
cdn.britannica.com/s:180x300/44/
3 KB
3 KB
Image
General
Full URL
https://cdn.britannica.com/s:180x300/44/7744-004-5D8A5931.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
4831f84c4082cfd581bf280b02ed5af5891adc52783a0e5d5a9af1b75c612de4

Request headers

:path
/s:180x300/44/7744-004-5D8A5931.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:08:46 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Wed, 01 Aug 2018 03:40:56 GMT
server
AmazonS3
age
4816085
etag
"8bd521a9c21f3273426538daa8b6267e"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
2839
x-amz-cf-id
tOSvW71UJDYUIPm1p4XstRF_veFPVilxO5-MPmuiIhXY86LhjA3EvQ==
79488-004-E2C535A2.jpg
cdn.britannica.com/s:180x300/88/
6 KB
6 KB
Image
General
Full URL
https://cdn.britannica.com/s:180x300/88/79488-004-E2C535A2.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0eed2328c627f3275ef08f6332e1dba1056fbbecfe3824c1d9fadcecf4e5ee44

Request headers

:path
/s:180x300/88/79488-004-E2C535A2.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:50:06 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 09 Aug 2018 19:08:06 GMT
server
AmazonS3
age
4813605
etag
"79bed5b5ab9973b676b033dbbb65aac4"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
5752
x-amz-cf-id
AiCqzJd4As3bZQLD571FcgQBpoWzBNOKz9LLGfO6qgbrciLdLbUajw==
59074-004-35ED8C3B.jpg
cdn.britannica.com/s:180x300/74/
9 KB
10 KB
Image
General
Full URL
https://cdn.britannica.com/s:180x300/74/59074-004-35ED8C3B.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
b499026d9be51c41f9a91c7bc1aee0099237065e00210f20e1776726889c14f3

Request headers

:path
/s:180x300/74/59074-004-35ED8C3B.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:50:07 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Wed, 08 Aug 2018 21:02:59 GMT
server
AmazonS3
age
4813604
etag
"4ac2fa47926cae414638999f5145045d"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
9699
x-amz-cf-id
nN-6iQl-UYlbHCRUNLcCtFJZynIwLHMTlvcGvqfzNKYnavdqpVG0Uw==
2098-004-6730E984.jpg
cdn.britannica.com/s:180x300/98/
8 KB
9 KB
Image
General
Full URL
https://cdn.britannica.com/s:180x300/98/2098-004-6730E984.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
362bf80965ec7736cfc8eb775d6c87f31b932aa67824f18426a66255ec2517b9

Request headers

:path
/s:180x300/98/2098-004-6730E984.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:18:04 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 09 Aug 2018 19:06:38 GMT
server
AmazonS3
age
4815527
etag
"46f0ecadae858e974761f7f39b107d72"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
8516
x-amz-cf-id
CkKFFJf_LotScH6-PTU2P1rlrx23_nj5ufafd_8EcXuJIo8M_EYGzw==
1689-004-E4A85B38.jpg
cdn.britannica.com/s:500x150/89/
7 KB
7 KB
Image
General
Full URL
https://cdn.britannica.com/s:500x150/89/1689-004-E4A85B38.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
5923c85bd867180af7f35ca0c060ba8afa6d43d9ca15230637975de3f40c0c21

Request headers

:path
/s:500x150/89/1689-004-E4A85B38.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 23 Aug 2018 18:59:31 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 23 Aug 2018 18:12:32 GMT
server
AmazonS3
age
3607040
etag
"de0195649409894e674e507c208ec7a0"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
6676
x-amz-cf-id
JO555J7niSIW9q7YKOYYpNDZe46_vURkYmQglaq9wfM6RsfZ16-yIg==
1694-004-51D9B87E.jpg
cdn.britannica.com/s:500x150/94/
7 KB
7 KB
Image
General
Full URL
https://cdn.britannica.com/s:500x150/94/1694-004-51D9B87E.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9d30d74b2d19246d56a01bb8b2443aa6f9f01d54e2ae139da12613bf5d7fbd92

Request headers

:path
/s:500x150/94/1694-004-51D9B87E.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 23 Aug 2018 18:59:31 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 23 Aug 2018 18:12:35 GMT
server
AmazonS3
age
3607040
etag
"187c07b1d9d9527a9d0eeedc9ef398ef"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
6843
x-amz-cf-id
rBP0egZ0r00bNBptM4UgFXEaFVbw-SN2llNbe2qT7T1UToCheznavg==
179437-049-BEAA504D.jpg
cdn.britannica.com/s:500x150/37/
3 KB
4 KB
Image
General
Full URL
https://cdn.britannica.com/s:500x150/37/179437-049-BEAA504D.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
cea0fcdb1b23aae5c887668891cbc8c42d293ae1f59e5d2665dc1a65dfd64668

Request headers

:path
/s:500x150/37/179437-049-BEAA504D.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 23 Aug 2018 18:59:34 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 23 Aug 2018 18:12:36 GMT
server
AmazonS3
age
3607037
etag
"5579945f52c4e18299fa6436d69253bc"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
3504
x-amz-cf-id
LyVw2-HBZ5-DsnW2ft3kxDHHkeQDQqZGa3MVdfO42Rjg7KxIkjEgFw==
65066-004-9D71D3EC.jpg
cdn.britannica.com/s:300x300/66/
11 KB
11 KB
Image
General
Full URL
https://cdn.britannica.com/s:300x300/66/65066-004-9D71D3EC.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9b64e7cd2554e59797a610d8dbc4f3a0176887c42384a6768756c28cfe1f9037

Request headers

:path
/s:300x300/66/65066-004-9D71D3EC.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:50:04 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 09 Aug 2018 19:17:57 GMT
server
AmazonS3
age
4813607
etag
"63ceadc197002025fee56a03941e9b13"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
10993
x-amz-cf-id
X82c2pEoHvITe1OAffKIFRI2xaf8PjUiEqdy5hL4YK_mARDu1jZjMw==
chrome-extension.jpg
safe.britannica.com/safeimages/
24 KB
25 KB
Image
General
Full URL
https://safe.britannica.com/safeimages/chrome-extension.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
38.69.47.81 , United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.10 (Unix) mod_jk/1.2.40 OpenSSL/1.0.1c /
Resource Hash
49da798fc07ffd497d36de8206d2723ba79607b5f5ac9ac683ded7cf3721d241

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
safe.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:52 GMT
Last-Modified
Thu, 01 Mar 2018 19:23:13 GMT
Server
Apache/2.4.10 (Unix) mod_jk/1.2.40 OpenSSL/1.0.1c
ETag
"61a8"
fEnd
britannica-ha18-12
Connection
close
Accept-Ranges
bytes
Content-Type
image/jpeg
Content-Length
25000
X-WServer
mjrpia0-vm-apps-17
196491-117-69645315.jpg
cdn.britannica.com/s:65x65/91/
1 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:65x65/91/196491-117-69645315.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
8fb5f6acceb3556acf44c23da8bb15e638787ef91fbab61c06446d2d02e4c5a5

Request headers

:path
/s:65x65/91/196491-117-69645315.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 23 Aug 2018 19:26:00 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 23 Aug 2018 18:23:11 GMT
server
AmazonS3
age
3605451
etag
"0d88679a9c226b28ecb47d498b79f9f5"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1495
x-amz-cf-id
Ql-HwwOVOvICTjCNZNVr4NyPJT0oIq-76QzgsXkjIIqorun4IuxJXw==
90592-117-C90CA463.jpg
cdn.britannica.com/s:65x65/92/
1 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:65x65/92/90592-117-C90CA463.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
648abed058884ea572e76a72640758635085d2b631f39031fdc2af23e060c894

Request headers

:path
/s:65x65/92/90592-117-C90CA463.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 05:00:34 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Tue, 02 Oct 2018 04:59:33 GMT
server
AmazonS3
age
201377
etag
"063a004bfe551d524817812534280529"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1498
x-amz-cf-id
A1HxKKOOZjNq0dgpcNEtzn_HMKiCsdbSvL9Y5V7Y4silOqmG8-dr5Q==
4679-117-408DBB05.jpg
cdn.britannica.com/s:65x65/79/
1012 B
1 KB
Image
General
Full URL
https://cdn.britannica.com/s:65x65/79/4679-117-408DBB05.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
a9001fe136d4b561ede0fef1c5b6ae5933d06d3c1ed9f1d97f84143a244b662d

Request headers

:path
/s:65x65/79/4679-117-408DBB05.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 04:59:36 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Thu, 04 Oct 2018 04:59:36 GMT
server
AmazonS3
age
28635
etag
"1f47c5fa6f12a8ba7db4df08134baae1"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1012
x-amz-cf-id
QXLirABA_tQk5yvwYnmTnfIfwIEA5phYuJRmhoCiPIu64y3EGvWdQQ==
189918-117-935B3F03.jpg
cdn.britannica.com/s:65x65/18/
2 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:65x65/18/189918-117-935B3F03.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
25345ba768378fab44e0b5231a804d2c291c91f9942ae01ad4d135a2ae18d852

Request headers

:path
/s:65x65/18/189918-117-935B3F03.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Sun, 12 Aug 2018 05:14:28 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Sun, 12 Aug 2018 04:59:52 GMT
server
AmazonS3
age
4606943
etag
"75a6030a1ddbe5ac8804cbb59c833bd8"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1559
x-amz-cf-id
pMviSuD_DnBctNFavdfRGZ9PdlDVQa-LNH2_FZDf8b-1D0Q54jE52g==
200096-118-D326B6AF.jpg
cdn.britannica.com/s:100x53/96/
2 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:100x53/96/200096-118-D326B6AF.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
95210aa94ef5c2afc6ee6887b0388849f57efb0f0595aeae0deeb5c118e6c929

Request headers

:path
/s:100x53/96/200096-118-D326B6AF.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:06:46 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Tue, 31 Jul 2018 22:15:46 GMT
server
AmazonS3
age
4816205
etag
"acae8a8cac0214cef329b548e1200e20"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1833
x-amz-cf-id
_fId7UwEFEy2f-mu4sMBSsw7Bn9IlJtZ5WUlA4OdpkxFuSDi0x5L9A==
200631-118-CA5FED08.jpg
cdn.britannica.com/s:100x53/31/
2 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:100x53/31/200631-118-CA5FED08.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
820a16795619642328d4662ac7228523ac7aa0308d97bb6a9b6653ef35727a70

Request headers

:path
/s:100x53/31/200631-118-CA5FED08.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Wed, 03 Oct 2018 21:57:16 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Wed, 03 Oct 2018 21:52:28 GMT
server
AmazonS3
age
53975
etag
"0b4abf41a4a6c041b6fc5a014d8e7b4f"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1758
x-amz-cf-id
oxh5D-EXRdi8VrGHDciifX851ghryvfgBxvNc5GZly91PnubtZQSjA==
71350-118-1F17F9C4.jpg
cdn.britannica.com/s:100x53/50/
2 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:100x53/50/71350-118-1F17F9C4.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
d51f6c9a5064e5e01bf00cd4e891384b2a35ef88715c071a087b5179e68fcfc6

Request headers

:path
/s:100x53/50/71350-118-1F17F9C4.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:06:46 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Tue, 31 Jul 2018 22:15:46 GMT
server
AmazonS3
age
4816205
etag
"f9412c338eb66d955d3d6e995ca2838c"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1983
x-amz-cf-id
2cLtKv4pMsyrKUx-t30x3bM8Fejf17igdkdqD1MMV-iW5LfbaKfIgQ==
200006-118-CCF7AD11.jpg
cdn.britannica.com/s:100x53/06/
1 KB
2 KB
Image
General
Full URL
https://cdn.britannica.com/s:100x53/06/200006-118-CCF7AD11.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
97bf813b27ea11e81f3f4ed9618fed3468eed7d93c6d405b2ffadba38a3e1636

Request headers

:path
/s:100x53/06/200006-118-CCF7AD11.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:06:46 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Tue, 31 Jul 2018 22:15:46 GMT
server
AmazonS3
age
4816205
etag
"af516a443191a5d48a35fba590ddc9bc"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
1414
x-amz-cf-id
SLbjtef5l0HQYpxj0r78sJWjbsWrI8MV4sPJQai6v6g1cR9SbEx9Hw==
191581-004-95328E05.jpg
cdn.britannica.com/s:250x600/81/
8 KB
9 KB
Image
General
Full URL
https://cdn.britannica.com/s:250x600/81/191581-004-95328E05.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
8df445aa61a4b35fbec7856cfa5f1499a5073a311282a27e6bd74e4d2ec91889

Request headers

:path
/s:250x600/81/191581-004-95328E05.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:07:10 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Tue, 31 Jul 2018 22:15:28 GMT
server
AmazonS3
age
4816181
etag
"e4ca023d4d7399fcec2fd69e1e8798ea"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
8415
x-amz-cf-id
7gK7TiFAN8Rnq5KTRUO7fNBeGK9yHiazUUALYnTDPV2yoHE2tnMDqg==
6897-004-A7A427B6.jpg
cdn.britannica.com/s:250x600/97/
6 KB
6 KB
Image
General
Full URL
https://cdn.britannica.com/s:250x600/97/6897-004-A7A427B6.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
323bd83263bd4295bff7da34a96bd7dcfe2d58fd5aff0079d49a890c10e190f9

Request headers

:path
/s:250x600/97/6897-004-A7A427B6.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:07:10 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Wed, 01 Aug 2018 02:02:09 GMT
server
AmazonS3
age
4816181
etag
"25ecac3420315142ae0c71e79de70c74"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
5743
x-amz-cf-id
_2_oQ6KZ-sOFSUZWcjZJ3Q6sOei1tAjROwp02TNR_DXtbcFHN0B83w==
126216-004-5AE1EE75.jpg
cdn.britannica.com/s:250x600/16/
12 KB
12 KB
Image
General
Full URL
https://cdn.britannica.com/s:250x600/16/126216-004-5AE1EE75.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:6c00:17:74f7:b380:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
f5ddb6d78d5b534b2fe901998f2fa06c34b7539b3a34a28792f778e82fd54b12

Request headers

:path
/s:250x600/16/126216-004-5AE1EE75.jpg
pragma
no-cache
cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.britannica.com
referer
https://www.britannica.com/topic/information-system
:scheme
https
:method
GET
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 09 Aug 2018 19:07:07 GMT
via
1.1 c483a0db2609b3ac0bb94a739fe72cc7.cloudfront.net (CloudFront)
last-modified
Tue, 31 Jul 2018 22:15:38 GMT
server
AmazonS3
age
4816184
etag
"f6f7a02b30d98654db5f4fa2401b309d"
x-cache
Hit from cloudfront
content-type
image/jpeg
status
200
cache-control
public, max-age=31536000
content-length
11815
x-amz-cf-id
zqnaoSKgsQIawoSChxvrTYosJ9x1VB2kfsBpAmWtlkbRVicGh30lOw==
pinned-header-thistle.png
www.britannica.com/resources/images/header/
5 KB
5 KB
Image
General
Full URL
https://www.britannica.com/resources/images/header/pinned-header-thistle.png?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.81 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
47c29bd66a8e83d46747a55f471b09e42651b40914d001d04d00e145b0adb1b7

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:55:59 GMT
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"14c4-575c21856cc00"
fEnd
britannica-ha02-11
Connection
close
Accept-Ranges
bytes
Content-Type
image/png
Content-Length
5316
X-WServer
web.vm-p3-1
thistle-white.svg
www.britannica.com/resources/images/shared/
19 KB
9 KB
Image
General
Full URL
https://www.britannica.com/resources/images/shared/thistle-white.svg?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.81 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
234c20abda43243b6a66f3d2d05a14576e27fc91003199bed3030fa8160006df

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:55:59 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"4d0c-575c21856cc00-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha02-11
Connection
close
Accept-Ranges
bytes
Content-Type
image/svg+xml
Content-Length
8574
X-WServer
web.vm-p3-1
google-barak-obama-screenshot-GIF-v5.gif
www.britannica.com/resources/images/marketing/
30 KB
30 KB
Image
General
Full URL
https://www.britannica.com/resources/images/marketing/google-barak-obama-screenshot-GIF-v5.gif?v=3.10.35
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
38.69.47.80 , United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.29 (Unix) mod_jk/1.2.42 /
Resource Hash
6c091b9df1c29bc03194ec179dbdd8cdfc2028a73c3370d0ce65e7cb9104186e

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:51 GMT
Last-Modified
Tue, 18 Sep 2018 20:17:25 GMT
Server
Apache/2.4.29 (Unix) mod_jk/1.2.42
ETag
"77e8-5762afa6fe011"
fEnd
britannica-ha17-13
Connection
close
Accept-Ranges
bytes
Content-Type
image/gif
Content-Length
30696
X-WServer
web-vm-apps-13
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.3.1/
85 KB
30 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:824::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 06:22:33 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
196456
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
30399
x-xss-protection
1; mode=block
last-modified
Thu, 25 Jan 2018 15:33:24 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 06:22:33 GMT
RVHVXRYp.js
content.jwplatform.com/libraries/
90 KB
29 KB
Script
General
Full URL
https://content.jwplatform.com/libraries/RVHVXRYp.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2047:be00:1:a3fa:7cc0:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
openresty /
Resource Hash
44cf48c19496ffad869927b5ef2fb90b02cded257a7c8a66118d630544d81af2

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:05 GMT
content-encoding
gzip
server
openresty
age
43
status
200
x-cache
Hit from cloudfront
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=150, max-stale=180
content-length
29582
via
1.1 0e417d376ffbd42061f20338431828b5.cloudfront.net (CloudFront)
x-amz-cf-id
-I0atTIFtyRDbxccrADi8equI2cQPfRhTbImFpaqRo1ZHBDV1e2YrQ==
expires
Thu, 04 Oct 2018 12:57:54 GMT
bootstrap.js
middycdn-a.akamaihd.net/bootstrap/
11 KB
5 KB
Script
General
Full URL
https://middycdn-a.akamaihd.net/bootstrap/bootstrap.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_256_GCM
Server
2.16.186.113 , European Union, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
a2-16-186-113.deploy.static.akamaitechnologies.com
Software
AmazonS3 /
Resource Hash
029824eb402778b1830e472070e6b19f0c209eb20e867c7e988139d8b9c566fe

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-amz-version-id
E4ORKS2_9uTpwsqXR3KVvTKMwa4hVFfz
Content-Encoding
gzip
ETag
"c9b237aa89e3b0ff3a1b7a29de82e461"
x-amz-request-id
25B29F73BB5FD4DF
Connection
keep-alive
Vary
Accept-Encoding
Content-Length
4271
x-amz-id-2
H85Kx3nP7KYMNGr/2HM+hq6z9xsukBtbbXikugI+EM545zlJ90AehRxOQJPmQw3BuU9AeKrHoao=
Last-Modified
Thu, 26 Jul 2018 12:29:05 GMT
Server
AmazonS3
Date
Thu, 04 Oct 2018 12:56:49 GMT
Access-Control-Max-Age
86400
Access-Control-Allow-Methods
GET,POST
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=3600
Access-Control-Allow-Credentials
false
Accept-Ranges
bytes
Access-Control-Allow-Headers
*
Expires
Thu, 04 Oct 2018 13:56:49 GMT
dt.html
cdn.digitru.st/prod/1.5.11/ Frame 28C9
0
0
Document
General
Full URL
https://cdn.digitru.st/prod/1.5.11/dt.html
Requested by
Host: cdn.digitru.st
URL: https://cdn.digitru.st/prod/1/digitrust.min.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
159.180.84.2 , United States, ASN33047 (INSTART - Instart Logic, Inc, US),
Reverse DNS
Software
DTOrigin /
Resource Hash

Request headers

:method
GET
:authority
cdn.digitru.st
:scheme
https
:path
/prod/1.5.11/dt.html
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html
content-length
930
cache-control
max-age=86400
last-modified
Thu, 16 Aug 2018 23:38:29 GMT
date
Thu, 04 Oct 2018 12:25:27 GMT
content-encoding
gzip
expires
Fri, 05 Oct 2018 12:25:27 GMT
accept-ranges
bytes
access-control-allow-origin
*
age
1883
server
DTOrigin
etag
"58577f84548d0fec3d630c26ed6ff36f"
p3p
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
x-instart-cache-id
37:16671522106826091278::1538655926
x-instart-request-id
6172688369217501171:SEN01-CPVNPPRY11:1538657810:0
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.11.2/
94 KB
33 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/consent/27a2ef98-038a-4230-96aa-2709169a8fc6.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:824::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
2ecd295d295bec062cedebe177e54b9d6b19fc0a841dc5c178c654c9ccff09c0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 06:22:46 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
196444
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
33495
x-xss-protection
1; mode=block
last-modified
Tue, 20 Dec 2016 18:17:03 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 06:22:46 GMT
optanon.css
cdn.cookielaw.org/skins/3.6.25/default_flat_bottom_two_button_white/v2/css/
22 KB
5 KB
Stylesheet
General
Full URL
https://cdn.cookielaw.org/skins/3.6.25/default_flat_bottom_two_button_white/v2/css/optanon.css
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/consent/27a2ef98-038a-4230-96aa-2709169a8fc6.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.132.202 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
ECAcc (frc/8E95) /
Resource Hash
7640145bdeb4bec3be6ef54494a65e2a40e4b6db970390aaefb78827d236e2c1

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Thu, 04 Oct 2018 12:56:50 GMT
content-encoding
gzip
content-md5
2t+ReuGKfSyL/ZIdMbzuPg==
x-cache
HIT
status
200
content-length
5305
x-ms-lease-status
unlocked
last-modified
Tue, 25 Sep 2018 16:14:03 GMT
server
ECAcc (frc/8E95)
etag
0x8D62301E911FA4A
vary
Accept-Encoding
content-type
text/css
x-ms-request-id
c0b361f9-301e-005e-5f98-5a2be5000000
cache-control
public, max-age=2592000
x-ms-version
2009-09-19
accept-ranges
bytes
apstag.js
c.amazon-adsystem.com/aax2/
58 KB
17 KB
Script
General
Full URL
https://c.amazon-adsystem.com/aax2/apstag.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.212.210 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-212-210.fra53.r.cloudfront.net
Software
Server /
Resource Hash
ef47692991c55ea8ec63e74d6f4a5c1c0ab5972deb76335b2be93666adf67ac7

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Wed, 03 Oct 2018 16:34:04 GMT
Content-Encoding
gzip
Server
Server
Age
73365
ETag
8daa48143dd4286b4df5ccccfa979c4d
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
Content-Type
application/javascript
Via
1.1 25ffb5a941b5a46b102cd385a9cdbb50.cloudfront.net (CloudFront)
Cache-Control
public, max-age=86400
Connection
keep-alive
Accept-Ranges
bytes
X-Amz-Cf-Id
U8MID-t95JYySIQYbFv1GhGniJRE2R-0rQiOkA_Py-xkX0mQqbBtLA==
integrator.js
adservice.google.de/adsid/
109 B
490 B
Script
General
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/tag/js/gpt.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:818::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
integrator.js
adservice.google.com/adsid/
109 B
490 B
Script
General
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/tag/js/gpt.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81d::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
pubads_impl_257.js
securepubads.g.doubleclick.net/gpt/
182 KB
63 KB
Script
General
Full URL
https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/tag/js/gpt.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
sffe /
Resource Hash
f2c59044e7011cf3aabecb04fdeef59318ec12c8cd773fed84cbb6d3c97aecc4
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Tue, 25 Sep 2018 19:53:41 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
private, immutable, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
64026
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:50 GMT
JTURjIg1_i6t8kCHKm45_dJE3gnD_vx3rCs.woff2
fonts.gstatic.com/s/montserrat/v12/
13 KB
13 KB
Font
General
Full URL
https://fonts.gstatic.com/s/montserrat/v12/JTURjIg1_i6t8kCHKm45_dJE3gnD_vx3rCs.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
3ff817f9993de055634774310a26061f2feafbccfaad8aaa6bfb9e4d6fe5ce94
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Montserrat:300,400,400i,700,700i
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:41 GMT
x-content-type-options
nosniff
last-modified
Tue, 07 Nov 2017 15:25:39 GMT
server
sffe
age
196449
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
13064
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:41 GMT
font
fonts.gstatic.com/l/
2 KB
2 KB
Font
General
Full URL
https://fonts.gstatic.com/l/font?kit=8vIJ7ww63mVu7gtL9G78HEZtI92xuF3gKMOJRgkIPPCMkc4&skey=f319ae43d1034808&v=v7
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
d227adf3df537a0393eaa2a7bd17ede8cc062890ffa8bf5c8f3c11e866e814d6
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Cinzel&text=ENCYCLOP%C3%86DIA%20BRITANNICA
Origin
https://www.britannica.com

Response headers

date
Wed, 03 Oct 2018 20:03:32 GMT
last-modified
Tue, 10 Oct 2017 23:49:48 GMT
server
ESF
age
60798
status
200
x-frame-options
SAMEORIGIN
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=86400
content-disposition
attachment; filename="font.woff2"; filename*=UTF-8''font.woff2
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
1960
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 20:03:32 GMT
JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
fonts.gstatic.com/s/montserrat/v12/
13 KB
13 KB
Font
General
Full URL
https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
50e7e16fa947036ed479023375a7a44597c72dcc780c110ddb87a28cfa7fd16c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Montserrat:300,400,400i,700,700i
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:41 GMT
x-content-type-options
nosniff
last-modified
Tue, 07 Nov 2017 15:24:13 GMT
server
sffe
age
196449
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
13248
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:41 GMT
flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2
fonts.gstatic.com/s/materialicons/v41/
54 KB
54 KB
Font
General
Full URL
https://fonts.gstatic.com/s/materialicons/v41/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
5dbb3a972022659dd6da5878c41474f5eb70280fac4608c8b5cb72c8debd4a40
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/icon?family=Material+Icons
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:58 GMT
x-content-type-options
nosniff
last-modified
Thu, 16 Aug 2018 20:54:28 GMT
server
sffe
age
196432
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
55088
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:58 GMT
JTURjIg1_i6t8kCHKm45_cJD3gnD_vx3rCs.woff2
fonts.gstatic.com/s/montserrat/v12/
13 KB
13 KB
Font
General
Full URL
https://fonts.gstatic.com/s/montserrat/v12/JTURjIg1_i6t8kCHKm45_cJD3gnD_vx3rCs.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
efd03b0d726d18465de44b4bcbe6ada589e6d4cd28c022efda2b23ff2db80060
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Montserrat:300,400,400i,700,700i
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:59 GMT
x-content-type-options
nosniff
last-modified
Tue, 07 Nov 2017 15:24:26 GMT
server
sffe
age
196431
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
13080
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:59 GMT
EU
geolocation.onetrust.com/cookieconsentpub/v1/geo/countries/
32 B
333 B
Script
General
Full URL
https://geolocation.onetrust.com/cookieconsentpub/v1/geo/countries/EU?callback=jQuery11120729185164158693_1538657810454&_=1538657810455
Requested by
Host: ajax.googleapis.com
URL: https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.74.252.44 Dublin, Ireland, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US),
Reverse DNS
Software
/
Resource Hash
b0817a0d6a87f2d42532035e42b20ea55cfaa5ca1092c761f5fc5e734790bdbf

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:49 GMT
Content-Length
32
X-Application-Context
application:8080
Content-Type
application/json;charset=UTF-8
JTUQjIg1_i6t8kCHKm459WxRyS7m0dR9pA.woff2
fonts.gstatic.com/s/montserrat/v12/
13 KB
13 KB
Font
General
Full URL
https://fonts.gstatic.com/s/montserrat/v12/JTUQjIg1_i6t8kCHKm459WxRyS7m0dR9pA.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
bef881f50da38f869527d8ef3abd3dabbaa898cb0fa91f73c3a2d3b297fa9ed7
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Montserrat:300,400,400i,700,700i
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:23:00 GMT
x-content-type-options
nosniff
last-modified
Tue, 07 Nov 2017 15:24:29 GMT
server
sffe
age
196430
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
13532
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:23:00 GMT
publishertag.js
static.criteo.net/js/ld/
78 KB
23 KB
Script
General
Full URL
https://static.criteo.net/js/ld/publishertag.js
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_CBC
Server
178.250.0.130 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
nginx /
Resource Hash
7daa2dd2bacf6b8a3eb4016f254f730bdb8315f5b86de253bdedfc3fb6e68678

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:50 GMT
Content-Encoding
gzip
Last-Modified
Wed, 19 Sep 2007 08:50:25 GMT
Server
nginx
ETag
W/"5bac9eb6-138f9"
Transfer-Encoding
chunked
Content-Type
text/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=86400, public
Connection
keep-alive
Timing-Allow-Origin
*
Expires
Fri, 05 Oct 2018 12:56:50 GMT
mendel-icons.woff2
www.britannica.com/resources/css/fontello/font/
4 KB
5 KB
Font
General
Full URL
https://www.britannica.com/resources/css/fontello/font/mendel-icons.woff2?70068663
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
38.69.47.81 , United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.29 (Unix) mod_jk/1.2.42 /
Resource Hash
d4104e0c78fe1969ea7db76cffb17ed3c7ccd850f850f003d5046b504e69e622

Request headers

Pragma
no-cache
Origin
https://www.britannica.com
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
*/*
Referer
https://www.britannica.com/resources/css/fontello/css/mendel-icons.css
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5; DigiTrust.v1.identity=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%3D
Connection
keep-alive
Cache-Control
no-cache
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/resources/css/fontello/css/mendel-icons.css
Origin
https://www.britannica.com

Response headers

Date
Thu, 04 Oct 2018 12:56:50 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.29 (Unix) mod_jk/1.2.42
ETag
"1198-575c21856cc00-gzip"
Vary
Accept-Encoding,User-Agent
fEnd
britannica-ha18-12
Connection
close
Accept-Ranges
bytes
Content-Type
font/woff2
Content-Length
4527
X-WServer
web-vm-apps-15
ad-loading.gif
www.britannica.com/resources/images/shared/
2 KB
2 KB
Image
General
Full URL
https://www.britannica.com/resources/images/shared/ad-loading.gif
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.81 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
7dce42cba2b300d9e61726f02167bd3f5f0b2e7229a2e1d5494ef87d59a5fc3c

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/resources/dist/mendel-css.css?v=3.10.35
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5; DigiTrust.v1.identity=eyJpZCI6IkVmajBBMFp2ME1vZ0hKUkZlK1pJL0tZQzZOU1o0ZXJOQWlrMXZ2V0pZZlhyMjkrQmVTK0VhbGFTTVR6ZER5enU2YzZJdUhmK2RsMjR4TEQ3L1lyNnQ0bFdMZ2RqRTc1L0d3MzVsS05kVFEyQ3NBVC9mZElJTEhpS3F2VlpibURSMUZHaEI0NEZ5ZmFlRTVBaERsS2gvWWkvamRVL3ZhWmVrR1o3OGtyNm1PMThHeUtHd3pqRlFLdGE2aVZ2ZGF0ZEVydmdTRjRVbGlJOTFyT1ZPRERGdlhUbWFDL2UwekFDNmhURWZycXdCM1FLT0VLWXp4cU83cU9SM1BVcDRZNlRRWkQvNlVLMk1oNzBTT0JjUWVVSVFsRDdYeGhIck9zZ2NmUlhFOVVGYUdMcmJhRE1CdFNPUlR5VysyekpSVTJTVzZZTEJQa1dxWGZQc0tkT0E1dU1Fdz09IiwidmVyc2lvbiI6MiwicHJvZHVjZXIiOiIxQ3JzZFVOQW82IiwicHJpdmFjeSI6eyJvcHRvdXQiOmZhbHNlfSwia2V5diI6NH0%3D
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/resources/dist/mendel-css.css?v=3.10.35
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:57:22 GMT
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"739-575c21856cc00"
fEnd
britannica-ha02-11
Connection
close
Accept-Ranges
bytes
Content-Type
image/gif
Content-Length
1849
X-WServer
web.vm-p3-2
truncated
/
216 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
0385ac43b133cf37474ca0e074358e00ee9050aec2bac9599be8456b134c68c2

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/svg+xml
background.png
www.britannica.com/resources/images/footer/
9 KB
9 KB
Image
General
Full URL
https://www.britannica.com/resources/images/footer/background.png
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.80 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
news-in.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
202c0c7042e17e73f3e27b732775bc351f699629545043209ff00e56e99b3d6c

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
image/webp,image/apng,image/*,*/*;q=0.8
Referer
https://www.britannica.com/resources/dist/mendel-css.css?v=3.10.35
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; __vrz=1.9.5; DigiTrust.v1.identity=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%3D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25&EuOnly=true; eupubconsent=BAAAAAAOVHIy7AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw
Connection
keep-alive
Cache-Control
no-cache
Referer
https://www.britannica.com/resources/dist/mendel-css.css?v=3.10.35
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:00 GMT
Last-Modified
Thu, 13 Sep 2018 15:09:36 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"22d2-575c21856cc00"
fEnd
britannica-ha01-10
Connection
close
Accept-Ranges
bytes
Content-Type
image/png
Content-Length
8914
X-WServer
web.vm-p3-1
supply
events.browsiprod.com/events/
0
103 B
XHR
General
Full URL
https://events.browsiprod.com/events/supply
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/bootstrap/bootstrap.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
54.213.225.123 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-54-213-225-123.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

status
204
date
Thu, 04 Oct 2018 12:56:51 GMT
access-control-allow-credentials
true
access-control-allow-origin
https://www.britannica.com
supply
yield-manager.browsiprod.com/
2 KB
1 KB
Script
General
Full URL
https://yield-manager.browsiprod.com/supply?body=%7B%22siteKey%22%3A%22britannica%22%2C%22callback%22%3A%22MFfKoQ_ZHcNCzquLwyUw%22%2C%22referrerUrl%22%3A%22%22%2C%22url%22%3A%22https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system%22%2C%22bootstrapId%22%3A%22awQTgmNvJV%22%2C%22pageWidth%22%3A1585%2C%22sessionId%22%3A%22%22%2C%22userId%22%3A%22%22%2C%22isGzip%22%3Atrue%7D&cb=1538657810724
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/bootstrap/bootstrap.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
34.217.172.220 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-34-217-172-220.us-west-2.compute.amazonaws.com
Software
akka-http/10.1.0 /
Resource Hash
1da92146e4f172b5036c9a240c435086cf8acd536bc13653cf9844a31c683a07

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
date
Thu, 04 Oct 2018 12:56:51 GMT
content-encoding
gzip
server
akka-http/10.1.0
content-type
application/javascript; charset=UTF-8
topic-page.js
www.britannica.com/resources/dist/
470 KB
133 KB
XHR
General
Full URL
https://www.britannica.com/resources/dist/topic-page.js?v=3.10.35
Requested by
Host: ajax.googleapis.com
URL: https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
208.185.238.81 Louisville, United States, ASN7767 (EB - Encyclopaedia Britannica, US),
Reverse DNS
ebusa.eb.com
Software
Apache/2.4.34 (Unix) mod_jk/1.2.43 /
Resource Hash
5375e11d0d102246aac88d8a3c4c58629927d8e397dc921ab9a0f4fab342ccf8

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate
Host
www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/javascript, application/javascript, application/ecmascript, application/x-ecmascript, */*; q=0.01
Referer
https://www.britannica.com/topic/information-system
X-Requested-With
XMLHttpRequest
Cookie
bcomID=-3003331428633776050; SessionAuth="5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="; subreturn=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system; webstats="referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"; __mendel=%7B%27pagesViewed%27%3A1%2C%27articleCatfishShown%27%3Atrue%2C%27surveyShown%27%3Afalse%2C%27demystifiedNewsletterShown%27%3Afalse%7D; OptanonConsent=landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A50+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25; eupubconsent=BAAAAAAOVHIy2AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw; __vrz=1.9.5; DigiTrust.v1.identity=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%3D
Connection
keep-alive
Cache-Control
no-cache
Accept
text/javascript, application/javascript, application/ecmascript, application/x-ecmascript, */*; q=0.01
Referer
https://www.britannica.com/topic/information-system
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:49 GMT
Content-Encoding
gzip
Last-Modified
Thu, 13 Sep 2018 15:10:37 GMT
Server
Apache/2.4.34 (Unix) mod_jk/1.2.43
ETag
"757f0-575c21bf99540-gzip"
Vary
Accept-Encoding,User-Agent
Content-Type
application/javascript
Transfer-Encoding
chunked
Connection
close
Accept-Ranges
bytes
fEnd
britannica-ha02-11
X-WServer
web.vm-p3-3
gtm.js
www.googletagmanager.com/
299 KB
39 KB
Script
General
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-5W6NC8
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2008 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Google Tag Manager (scaffolding) /
Resource Hash
008521843d471f48523f210ce6ed591cb1aaa9e1e84ff6c5842b036c05d7c136
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:50 GMT
content-encoding
gzip
server
Google Tag Manager (scaffolding)
access-control-allow-headers
Cache-Control
status
200
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
http://www.googletagmanager.com
cache-control
private, max-age=900
access-control-allow-credentials
true
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
39544
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:50 GMT
analytics.js
www.google-analytics.com/
39 KB
16 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::200e , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
ed17a6e7532cc3065f9fbd8f607dfd30e09b4531ada9f7cb5732a2bf6cf6744c
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 13 Sep 2018 23:12:19 GMT
server
Golfe2
age
2067
date
Thu, 04 Oct 2018 12:22:23 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
16173
expires
Thu, 04 Oct 2018 14:22:23 GMT
/
cookies.onetrust.mgr.consensu.org/ Frame D182
0
0
Document
General
Full URL
https://cookies.onetrust.mgr.consensu.org/?name=euconsent&value=BAAAAAAOVHIy7AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&expire=30
Requested by
Host: ajax.googleapis.com
URL: https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2606:2800:233:e50:1eb4:1000:1d3b:1502 , United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
ECAcc (frc/8F68) /
Resource Hash

Request headers

:method
GET
:authority
cookies.onetrust.mgr.consensu.org
:scheme
https
:path
/?name=euconsent&value=BAAAAAAOVHIy7AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&expire=30
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-encoding
gzip
content-type
text/html
date
Thu, 04 Oct 2018 12:56:50 GMT
etag
"5b6040ff-300+gzip"
last-modified
Tue, 31 Jul 2018 10:59:11 GMT
server
ECAcc (frc/8F68)
vary
Accept-Encoding
x-cache
HIT
content-length
435
bid
aax.amazon-adsystem.com/e/dtb/
47 B
347 B
XHR
General
Full URL
https://aax.amazon-adsystem.com/e/dtb/bid?src=3022&u=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&pid=2604606821851538657810760&cb=6993981102921538657810767&ws=1600x1200&v=7.17.00&t=2000&slots=%5B%7B%22sd%22%3A%22div-gpt-ad-6541fda3-f871-41ae-85df-f907fa2137f1%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-03392d2d-1cc6-4cf7-8374-1ce61b45792c%22%2C%22s%22%3A%5B%22728x90%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-f8df39b4-cc72-46f5-a3cd-c73d39c24890%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-43e3ca28-73ed-401e-a4d0-16f6dae7dc11%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-a21a8eb5-4bbd-43f4-bc85-e158dc804e31%22%2C%22s%22%3A%5B%22728x90%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-77180217-64e8-4cc3-be21-231691458a14%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-e61301b2-e4ba-4676-b447-df0de5cc417f%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-b73a3a3d-2b45-4e5e-a299-209a0b9c8d71%22%2C%22s%22%3A%5B%22728x90%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-30ead2f4-2c11-434d-9966-034777d6d44d%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%2C%7B%22sd%22%3A%22div-gpt-ad-43976cbc-6d5c-4d2d-b5c9-54b73843e02b%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F15510053%2FEB_C%2FARTICLES_LARGE_PAG_AE%22%7D%5D&pj=%7B%22apse%22%3A%7B%22chunkRequests%22%3Afalse%2C%22shouldSampleLatency%22%3Afalse%7D%7D&cfgv=0&gdpre=1&gdprc=BAAAAAAOVHIy7AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&gdprl=%7B%22status%22%3A%22success%22%7D
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.94.218.7 Dublin, Ireland, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
Server /
Resource Hash
d2c411d6a0725e9edbb050edc9c4fb38adf0d418a09f73d5c174ee29756ed024

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com

Response headers

Date
Thu, 04 Oct 2018 12:56:50 GMT
Server
Server
Vary
User-Agent
Content-Type
text/javascript;charset=UTF-8
Access-Control-Allow-Origin
https://www.britannica.com
Access-Control-Allow-Credentials
true
Connection
keep-alive
Timing-Allow-Origin
*
Content-Length
47
aps_csm.js
c.amazon-adsystem.com/bao-csm/aps-comm/
6 KB
7 KB
XHR
General
Full URL
https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.js
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.212.210 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-212-210.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
6d6f482982f8f1a1814e279ff50df4ccc301533ca9655e4d080d6b90ec69d69e

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com

Response headers

Date
Fri, 24 Aug 2018 07:13:57 GMT
Via
1.1 d01ad8df731d3f120823f9e20df55147.cloudfront.net (CloudFront)
Vary
Origin
Age
19813
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
6456
Last-Modified
Fri, 24 Aug 2018 07:13:51 GMT
Server
AmazonS3
ETag
"afe2b01377d6dacb3dac3b80df6a3b24"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=86400
Accept-Ranges
bytes
X-Amz-Cf-Id
dz6ki6ax1Rfr9XuDJFJryIvMKo-SrEpcpVaRtn5Wzu4T6fj3RoTmQg==
beacon.js
ad-delivery.net/
1 KB
949 B
Script
General
Full URL
https://ad-delivery.net/beacon.js
Requested by
Host: eb-com.videoplayerhub.com
URL: https://eb-com.videoplayerhub.com/videoplayer.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.43 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-43.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
7e94fbebf526effec4239c82e5435a412d81ffc4bc9bddf13f9aa1170f6d803e

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Fri, 13 Jul 2018 09:17:43 GMT
content-encoding
gzip
last-modified
Tue, 31 Jan 2017 15:06:54 GMT
server
AmazonS3
age
182
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
application/x-javascript
status
200
cache-control
max-age=3600
x-amz-cf-id
fGstLSPWrszow2yi4db4sEZ0XV9_wfJvPEIvzEihQYAn76IOqo262g==
via
1.1 bc44333126502b410c97fe54a495ac36.cloudfront.net (CloudFront)
linkid.js
www.google-analytics.com/plugins/ua/
2 KB
1019 B
Script
General
Full URL
https://www.google-analytics.com/plugins/ua/linkid.js
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::200e , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
92fca55833f48b4289ac8f1cedd48752b580fce4ec4b5d81670b8193d6e51b54
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:22:35 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 21 Apr 2016 03:17:22 GMT
server
sffe
age
2055
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=3600
accept-ranges
bytes
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
856
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 13:22:35 GMT
arj
merriamwebster-d.openx.net/w/1.0/
Redirect Chain
  • https://merriamwebster-d.openx.net/w/1.0/arj?auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%...
  • https://merriamwebster-d.openx.net/w/1.0/arj?cc=1&auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300...
0
-1 B
XHR
General
Full URL
https://merriamwebster-d.openx.net/w/1.0/arj?cc=1&auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%7C728x90%7C300x250%7C300x250%7C728x90%7C300x250&ju=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&jr=&ch=UTF-8&tz=0&bc=hb_ix&be=1&res=1600x1200&tws=1585x1200&ifr=0&callback=window.headertag.OpenXHtb.adResponseCallbacks._2dIFPx0y&cache=1538657811008
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, CHACHA20_POLY1305
Server
173.241.240.220 New York, United States, ASN36089 (OPENX-AS1 - OPENX TECHNOLOGIES, INC., US),
Reverse DNS
ox-173-241-240-220.xa.dc.openx.org
Software
OXGW/16.88.3 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:51 GMT
server
OXGW/16.88.3
status
302
location
https://merriamwebster-d.openx.net/w/1.0/arj?cc=1&auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%7C728x90%7C300x250%7C300x250%7C728x90%7C300x250&ju=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&jr=&ch=UTF-8&tz=0&bc=hb_ix&be=1&res=1600x1200&tws=1585x1200&ifr=0&callback=window.headertag.OpenXHtb.adResponseCallbacks._2dIFPx0y&cache=1538657811008
p3p
CP="CUR ADM OUR NOR STA NID"
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
content-length
0

Redirect headers

date
Thu, 04 Oct 2018 12:56:51 GMT
server
OXGW/16.88.3
status
302
location
https://merriamwebster-d.openx.net/w/1.0/arj?cc=1&auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%7C728x90%7C300x250%7C300x250%7C728x90%7C300x250&ju=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&jr=&ch=UTF-8&tz=0&bc=hb_ix&be=1&res=1600x1200&tws=1585x1200&ifr=0&callback=window.headertag.OpenXHtb.adResponseCallbacks._2dIFPx0y&cache=1538657811008
p3p
CP="CUR ADM OUR NOR STA NID"
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
content-length
0
cdb
bidder.criteo.com/
0
192 B
XHR
General
Full URL
https://bidder.criteo.com/cdb?ptv=58&profileId=154&cb=70243840356
Requested by
Host: static.criteo.net
URL: https://static.criteo.net/js/ld/publishertag.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_CBC
Server
178.250.2.89 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Finatra /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type
application/x-www-form-urlencoded

Response headers

Access-Control-Allow-Origin
https://www.britannica.com
Date
Thu, 04 Oct 2018 12:56:50 GMT
Access-Control-Allow-Credentials
true
Server
Finatra
Vary
Origin
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811019;callback=window.headertag.AolHtb.adResponseCallbacks._NpCPfPfl;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588329/0/-1/
48 B
81 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588329/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811019;callback=window.headertag.AolHtb.adResponseCallbacks._NpCPfPfl;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
46a2f29780fd80c3b3f7f24f20bed4650ecc4ab4b52278a843b35bf1c8bec158

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
48
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811019;callback=window.headertag.AolHtb.adResponseCallbacks._EbRqe3Hn;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588350/0/-1/
47 B
261 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588350/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811019;callback=window.headertag.AolHtb.adResponseCallbacks._EbRqe3Hn;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
0700e0c5b2924f168e07fef33a318834138f700e393c4ab6f3485115e5fdc08c

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
47
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811019;callback=window.headertag.AolHtb.adResponseCallbacks._ftO6spXX;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588321/0/-1/
47 B
80 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588321/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811019;callback=window.headertag.AolHtb.adResponseCallbacks._ftO6spXX;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
2331a24f79d674dddf7a1f2309a0a78b1719bbfa82b86251b632922b50d3eb49

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
47
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._2ZrCR8Z0;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588323/0/-1/
47 B
80 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588323/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._2ZrCR8Z0;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
5c23633e23db736ad1b4c8633ff69d2ec510687ef44e6698064a978ebc342937

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
47
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._JqoNSWS9;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588325/0/-1/
47 B
80 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588325/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._JqoNSWS9;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
f08e852d3a25d0f874d8fcf9c0ef4f5260c3094b505e6aa3e7bd4ff58cf7a856

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
47
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._CTLmcLP7;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588328/0/-1/
48 B
81 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588328/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._CTLmcLP7;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
d530b44a00056130db6f064c4058db9723c4466d6e3ab2e7e99028e4d2d80c37

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
48
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._Z5oYs74d;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588324/0/-1/
48 B
81 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588324/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._Z5oYs74d;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
9d8bf7ea61fa337c32398fa568d952ecde8700f6a24fea7906d1f01a4e4748ff

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
48
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._pKt60ApY;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588347/0/-1/
48 B
81 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4588347/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._pKt60ApY;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
d17c81d17c88d4e86dbecd429e577829952b543efa1f38acfada0539d680fdde

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
48
expires
Mon, 15 Jun 1998 00:00:00 GMT
ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._uDsD8ozh;
adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4817225/0/-1/
47 B
80 B
XHR
General
Full URL
https://adserver-us.adtech.advertising.com/pubapi/3.0/9541.1/4817225/0/-1/ADTECH;cmd=bid;cors=yes;v=2;misc=1538657811020;callback=window.headertag.AolHtb.adResponseCallbacks._uDsD8ozh;
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
152.195.39.114 Ashburn, United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
nginx /
Resource Hash
fb367dcdfa4807c3258a79252093e6a2cd5c52af2eb5cab104eb0da74cd0330a

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
server
nginx
status
200
access-control-allow-methods
POST,GET,HEAD,OPTIONS
content-type
application/json
access-control-allow-origin
https://www.britannica.com
cache-control
no-store, no-cache
access-control-allow-credentials
true
content-length
47
expires
Mon, 15 Jun 1998 00:00:00 GMT
cygnus
as-sec.casalemedia.com/
66 B
1006 B
XHR
General
Full URL
https://as-sec.casalemedia.com/cygnus?v=7.2&s=185524&fn=headertag.IndexExchangeHtb.adResponseCallback&r=%7B%22id%22%3A82570144%2C%22site%22%3A%7B%22page%22%3A%22https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system%22%7D%2C%22imp%22%3A%5B%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%227%22%2C%22siteID%22%3A%22185530%22%7D%2C%22id%22%3A%221%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%226%22%2C%22siteID%22%3A%22185529%22%7D%2C%22id%22%3A%222%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A728%2C%22h%22%3A90%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%221%22%2C%22siteID%22%3A%22185524%22%7D%2C%22id%22%3A%223%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%2231%22%2C%22siteID%22%3A%22299420%22%7D%2C%22id%22%3A%224%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%2210%22%2C%22siteID%22%3A%22185533%22%7D%2C%22id%22%3A%225%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A728%2C%22h%22%3A90%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%224%22%2C%22siteID%22%3A%22185527%22%7D%2C%22id%22%3A%226%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%229%22%2C%22siteID%22%3A%22185532%22%7D%2C%22id%22%3A%227%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%228%22%2C%22siteID%22%3A%22185531%22%7D%2C%22id%22%3A%228%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A728%2C%22h%22%3A90%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%222%22%2C%22siteID%22%3A%22185525%22%7D%2C%22id%22%3A%229%22%7D%2C%7B%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%2C%22topframe%22%3A1%7D%2C%22ext%22%3A%7B%22sid%22%3A%2216%22%2C%22siteID%22%3A%22272744%22%7D%2C%22id%22%3A%2210%22%7D%5D%2C%22ext%22%3A%7B%22source%22%3A%22ixwrapper%22%7D%7D
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
23.211.2.27 Cambridge, United States, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a23-211-2-27.deploy.static.akamaitechnologies.com
Software
Apache /
Resource Hash
292a04b20cef1671a0743a1564d036fe35a0536f3da8b0526d231b3204b8f17e

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Content-Encoding
gzip
Server
Apache
Vary
Accept-Encoding
P3P
policyref="/w3c/p3p.xml", CP="NOI DSP COR DEVa TAIa OUR BUS UNI"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
max-age=0, no-cache, no-store
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/javascript
Content-Length
86
Expires
Thu, 04 Oct 2018 12:56:51 GMT
24
web.hb.ad.cpe.dotomi.com/s2s/header/
0
423 B
XHR
General
Full URL
https://web.hb.ad.cpe.dotomi.com/s2s/header/24?cb=WiAkLVG6
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, 3DES_EDE_CBC
Server
63.215.202.75 Amsterdam, Netherlands, ASN25751 (VALUECLICK - Conversant, Inc., US),
Reverse DNS
media-ams5.msg.dotomi.com
Software
Apache/2.2.31 (Unix) mod_apreq2-20090110/2.8.0 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
Apache/2.2.31 (Unix) mod_apreq2-20090110/2.8.0
P3P
policyref="/w3c/p3p.xml", CP="NOI NID DEVo TAIo PSAo HISo OTPo OUR DELo BUS COM NAV INT DSP COR"
Access-Control-Allow-Origin
https://www.britannica.com
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
text/plain
Keep-Alive
timeout=5, max=99583
Content-Length
0
fastlane.json
fastlane.rubiconproject.com/a/api/
237 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=15&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799232&kw=rp.fastlane&tk_flint=custom&rand=0.013946710170388066&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
29b64cfd75fdd12d3137be826cbcef02d07798af80d0dccba28be5be02b66b08

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=5
Content-Length
237
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
237 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=15&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799284&kw=rp.fastlane&tk_flint=custom&rand=0.5385962761491534&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
0a65b1141fe6d87119b685d8d11cdba6f1f712182aaca48829d585e3fdcc2cc0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=9
Content-Length
237
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
236 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=2&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799268&kw=rp.fastlane&tk_flint=custom&rand=0.41841093506432614&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
a51ca69a26b7468cfc529a6a4e7395e63673b9198016e24eae3c71d140a2f463

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=10
Content-Length
236
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
237 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=15&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799266&kw=rp.fastlane&tk_flint=custom&rand=0.7020744434752098&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
c9ab314bf126df23b99feeb5e87086afb315813e8871864de9d7c7a5da18b7f5

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=10
Content-Length
237
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
236 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=2&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799256&kw=rp.fastlane&tk_flint=custom&rand=0.935715935633703&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
8d95cc270a39bddca4e4ec1193ff2f909cd527dfd009936049181f075635945d

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
application/json
Content-Length
236
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
237 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=15&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799260&kw=rp.fastlane&tk_flint=custom&rand=0.18521916847466513&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
fe111db7525d143191217e169577a15f13a4f1b0fde52d5594cabbd647c2cef2

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=2
Content-Length
237
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
237 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=15&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799252&kw=rp.fastlane&tk_flint=custom&rand=0.9278712790891328&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
1b111f98ca6d3c7daad28dccc068664680f379c0bb4eda1a5d295b1b7a23b573

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=10
Content-Length
237
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
236 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=2&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=799286&kw=rp.fastlane&tk_flint=custom&rand=0.9253198292967428&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
eb574577af49b9c1a8af03a0fd90807d024b5e59ce5a75ebfeb9974381c748aa

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=9
Content-Length
236
Expires
Wed, 17 Sep 1975 21:32:10 GMT
fastlane.json
fastlane.rubiconproject.com/a/api/
237 B
2 KB
XHR
General
Full URL
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=6278&size_id=15&p_pos=btf&rp_floor=0.01&rf=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&p_screen_res=1600x1200&site_id=9328&zone_id=968508&kw=rp.fastlane&tk_flint=custom&rand=0.6912757452432181&dt%5Bid%5D=Efj0A0Zv0MogHJRFe%2BZI%2FKYC6NSZ4erNAik1vvWJYfXr29%2BBeS%2BEalaSMTzdDyzu6c6IuHf%2Bdl24xLD7%2FYr6t4lWLgdjE75%2FGw35lKNdTQ2CsAT%2FfdIILHiKqvVZbmDR1FGhB44FyfaeE5AhDlKh%2FYi%2FjdU%2FvaZekGZ78kr6mO18GyKGwzjFQKta6iVvdatdErvgSF4UliI91rOVODDFvXTmaC%2Fe0zAC6hTEfrqwB3QKOEKYzxqO7qOR3PUp4Y6TQZD%2F6UK2Mh70SOBcQeUIQlD7XxhHrOsgcfRXE9UFaGLrbaDMBtSORTyW%2B2zJRU2SW6YLBPkWqXfPsKdOA5uMEw%3D%3D&dt%5Bkeyv%5D=4&dt%5Bpref%5D=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_GCM
Server
213.19.162.41 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software
RAS 2.4 /
Resource Hash
e5508abea264a646d75ca826c6c760e5cb6f4f1b7866b44c607a0b28a7e516f2

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
RAS 2.4
Vary
Accept-Encoding
P3P
CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
application/json
Keep-Alive
timeout=0, max=7
Content-Length
237
Expires
Wed, 17 Sep 1975 21:32:10 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275720&size=300x250&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=QoHapE0N&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.222:80
AN-X-Request-Uuid
fb394a22-6364-4e02-896c-84d23ec54d20
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275763&size=300x250&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=8TkeFHQ7&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.84:80
AN-X-Request-Uuid
fabc6570-9559-4aeb-8734-9b7df2cc35f3
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275758&size=728x90&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=saPJLHXA&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.145:80
AN-X-Request-Uuid
26549a2f-1381-4382-8705-3ad26c8f2bbd
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
687 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275757&size=300x250&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=YFNefBtX&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.8:80
AN-X-Request-Uuid
0f3c900d-1977-44f8-b829-ae84b6ca292c
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275752&size=728x90&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=v6bmpTZy&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.68:80
AN-X-Request-Uuid
795c8b59-4e98-4862-9b32-452cea2a3479
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275753&size=300x250&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=JdDsDjPV&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.72:80
AN-X-Request-Uuid
4e39a49d-282b-46a9-a343-e050385711a9
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275750&size=300x250&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=YCyYAiKf&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.222.248:80
AN-X-Request-Uuid
65fa5557-9704-4ba2-9731-4f0d142c2814
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11275764&size=728x90&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=2c9W9IIL&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.134:80
AN-X-Request-Uuid
dced8e16-96cc-422b-a214-ed3658fb0f2c
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=13304735&size=300x250&callback=headertag.AppNexusHtb.adResponseCallback&callback_uid=XXIwyFVv&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.111:80
AN-X-Request-Uuid
7f51ed17-742f-4a74-9ade-81421beaea57
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
bid
ap.lijit.com/rtb/
86 B
2 KB
XHR
General
Full URL
https://ap.lijit.com/rtb/bid?callback=window.headertag.SovrnHtb.adResponseCallback&br=%7B%22id%22%3A%22_gcUTILDF%22%2C%22site%22%3A%7B%22domain%22%3A%22www.britannica.com%22%2C%22page%22%3A%22%2Ftopic%2Finformation-system%22%7D%2C%22imp%22%3A%5B%7B%22id%22%3A%22enRn0gpc%22%2C%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%7D%2C%22tagid%22%3A%22398014%22%7D%2C%7B%22id%22%3A%22dNuwaMBz%22%2C%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%7D%2C%22tagid%22%3A%22398013%22%7D%2C%7B%22id%22%3A%22OaJ32KYJ%22%2C%22banner%22%3A%7B%22w%22%3A728%2C%22h%22%3A90%7D%2C%22tagid%22%3A%22398008%22%7D%2C%7B%22id%22%3A%22SycFY2RL%22%2C%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%7D%2C%22tagid%22%3A%22398017%22%7D%2C%7B%22id%22%3A%22O2QTNQWe%22%2C%22banner%22%3A%7B%22w%22%3A728%2C%22h%22%3A90%7D%2C%22tagid%22%3A%22398011%22%7D%2C%7B%22id%22%3A%22m1PEZ2W3%22%2C%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%7D%2C%22tagid%22%3A%22398016%22%7D%2C%7B%22id%22%3A%22JP2EnnLd%22%2C%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%7D%2C%22tagid%22%3A%22398015%22%7D%2C%7B%22id%22%3A%22MnJSXuAZ%22%2C%22banner%22%3A%7B%22w%22%3A728%2C%22h%22%3A90%7D%2C%22tagid%22%3A%22398009%22%7D%2C%7B%22id%22%3A%223RFMLAZc%22%2C%22banner%22%3A%7B%22w%22%3A300%2C%22h%22%3A250%7D%2C%22tagid%22%3A%22565825%22%7D%5D%7D
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
72.251.249.14 Amsterdam, Netherlands, ASN29791 (VOXEL-DOT-NET - Voxel Dot Net, Inc., US),
Reverse DNS
Software
nginx /
Resource Hash
6ff80e01f97eabffc9d3888e12810397648a33c1a7134d7b6e222068b8484fde

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com

Response headers

Date
Thu, 04 Oct 2018 12:56:51 GMT
Content-Encoding
gzip
Server
nginx
Vary
Accept-Encoding
Access-Control-Allow-Methods
GET, POST, DELETE, PUT
Content-Type
application/x-javascript
Access-Control-Allow-Origin
https://www.britannica.com
Transfer-Encoding
chunked
X-Sovrn-Pod
ap1ams1
Access-Control-Allow-Headers
X-Requested-With, Content-Type
Access-Control-Allow-Credentials
true
Expires
Thu, 01 Jan 1970 00:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=10768262&size=300x250&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=zTtUHDgr&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.81:80
AN-X-Request-Uuid
f840382f-994b-45ce-90c7-89f1ce1b5a11
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=10768267&size=300x250&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=96WDbG0f&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.69:80
AN-X-Request-Uuid
352133ba-320a-4fe0-8846-fc4b314d3137
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=10768261&size=728x90&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=u9cXKgdL&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.47:80
AN-X-Request-Uuid
2bdfd03b-59a7-4637-9204-29e5a68e2bdf
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11265216&size=300x250&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=D6wTIs3f&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.106:80
AN-X-Request-Uuid
21f73b14-825c-4a8b-832f-8b1fdaa36977
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11265213&size=728x90&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=0w3uZX4o&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.70:80
AN-X-Request-Uuid
45209351-fc65-43b3-b869-7e856434fe70
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11265214&size=300x250&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=6V7cIUKZ&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.27:80
AN-X-Request-Uuid
f6ac77fb-0a5d-4cb8-aad9-83f321b356e0
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=11265211&size=300x250&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=iVt4M2HO&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.75:80
AN-X-Request-Uuid
e2d253f3-aafd-4dc0-b195-807cd596d144
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
688 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=10768270&size=728x90&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=YQlD7h7A&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.68:80
AN-X-Request-Uuid
1e52dcb3-098f-4921-b182-8507fb4c89b0
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
jpt
secure.adnxs.com/
0
689 B
XHR
General
Full URL
https://secure.adnxs.com/jpt?id=13272988&size=300x250&callback=headertag.DistrictMHtb.adResponseCallback&callback_uid=anYvNgdR&psa=0&referrer=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:53 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.249:80
AN-X-Request-Uuid
30c438f6-3d90-4c20-afbf-bf19dbb83d23
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
ga-audiences
www.google.de/ads/
Redirect Chain
  • https://www.google-analytics.com/r/collect?v=1&_v=j69&a=337077589&t=pageview&_s=1&dl=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&dp=TOPIC%2FPAGINATED%2FLARGE%2Ftopic%2Finformation...
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_gid=817855613.1538657811&gjid=69269370&_v=j69&z=672267650
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_v=j69&z=672267650
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_v=j69&z=672267650&slf_rd=1&random=3376640909
42 B
378 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_v=j69&z=672267650&slf_rd=1&random=3376640909
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
no-cache, must-revalidate
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
42
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
302
content-type
text/html; charset=UTF-8
location
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-6636134-11&cid=257465993.1538657811&jid=977427467&_v=j69&z=672267650&slf_rd=1&random=3376640909
cache-control
no-cache, must-revalidate
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT
arj
merriamwebster-d.openx.net/w/1.0/
232 B
717 B
XHR
General
Full URL
https://merriamwebster-d.openx.net/w/1.0/arj?cc=1&auid=538911913%2C538911926%2C538911922%2C538911921%2C538911918%2C538911919%2C538911916%2C538911927%2C540041047&aus=300x250%7C300x250%7C728x90%7C300x250%7C728x90%7C300x250%7C300x250%7C728x90%7C300x250&ju=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&jr=&ch=UTF-8&tz=0&bc=hb_ix&be=1&res=1600x1200&tws=1585x1200&ifr=0&callback=window.headertag.OpenXHtb.adResponseCallbacks._2dIFPx0y&cache=1538657811008
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, CHACHA20_POLY1305
Server
173.241.240.220 New York, United States, ASN36089 (OPENX-AS1 - OPENX TECHNOLOGIES, INC., US),
Reverse DNS
ox-173-241-240-220.xa.dc.openx.org
Software
OXGW/16.88.3 /
Resource Hash
1346b13f2cd12f25bbf75c9947c586215f969547dc6f0761fe252812ef0de155

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:51 GMT
content-encoding
gzip
server
OXGW/16.88.3
status
200
vary
Accept
p3p
CP="CUR ADM OUR NOR STA NID"
access-control-allow-origin
https://www.britannica.com
cache-control
private, max-age=0, no-cache
access-control-allow-credentials
true
content-type
application/json
expires
Mon, 26 Jul 1997 05:00:00 GMT
pd
eu-u.openx.net/w/1.0/ Frame 49E1
0
0
Document
General
Full URL
https://eu-u.openx.net/w/1.0/pd?plm=10&ph=d9e06c38-9a27-4ee7-bad6-de601143d058&gdpr=1
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, CHACHA20_POLY1305
Server
173.241.240.143 New York, United States, ASN36089 (OPENX-AS1 - OPENX TECHNOLOGIES, INC., US),
Reverse DNS
ox-173-241-240-143.xa.dc.openx.org
Software
OXGW/16.88.3 /
Resource Hash

Request headers

:method
GET
:authority
eu-u.openx.net
:scheme
https
:path
/w/1.0/pd?plm=10&ph=d9e06c38-9a27-4ee7-bad6-de601143d058&gdpr=1
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
i=7857e7fc-e87d-0e17-37e9-62fb32290120|1538657811
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
vary
Accept
set-cookie
i=7857e7fc-e87d-0e17-37e9-62fb32290120|1538657811; Version=1; Expires=Fri, 04-Oct-2019 12:56:51 GMT; Max-Age=31536000; Domain=.openx.net; Path=/ pd=v2|1538657811|mOsLgqgikin0fcmWiygu; Version=1; Expires=Fri, 19-Oct-2018 12:56:51 GMT; Max-Age=1296000; Domain=.openx.net; Path=/
server
OXGW/16.88.3
p3p
CP="CUR ADM OUR NOR STA NID"
date
Thu, 04 Oct 2018 12:56:51 GMT
content-type
text/html
content-encoding
gzip
ads
securepubads.g.doubleclick.net/gampad/
184 KB
50 KB
XHR
General
Full URL
https://securepubads.g.doubleclick.net/gampad/ads?gdfp_req=1&pvsid=357889389903964&correlator=3600208581941538&output=json_html&callback=googletag.impl.pubads.callbackProxy1&impl=fifs&adsid=NT&json_a=1&eid=21061742%2C21062452&vrg=257&guci=1.2.0.0.2.2.0&sc=1&sfv=1-0-29&iu_parts=15510053%2CEB_C%2CARTICLES_LARGE_PAG_AE&enc_prev_ius=%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2%2C%2F0%2F1%2F2&prev_iu_szs=300x250%2C728x90%2C300x250%2C300x250%2C728x90%2C300x250%2C300x250%2C728x90%2C300x250%2C300x250&prev_scp=POS%3D300250BOT6%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D72890TOP%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D300250BOT2%26ad_group%3Dad_ex1%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D300250BOT3%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D72890BOT2%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D300250BOT4%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D300250BOT5%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D72890CATFISH%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D300250TOP%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2%7CPOS%3D300250BOT%26ad_group%3Dad_opt%26ad_h%3D12%26PAGELOAD%3DREFRESH0%26amznbid%3D2%26amznp%3D2&eri=1&cust_params=dc_ref%3Dhttps%253A%252F%252Fwww.britannica.com%252Ftopic%252Finformation-system%26PAGE%3D1%26ARTICLE%3D287895%26CAT%3Dscience%2520technology%252Ctechnology&cookie_enabled=1&bc=7&abxe=1&lmt=1538657811&dt=1538657811623&dlt=1538657809617&idt=1005&frm=20&biw=1585&bih=1200&oid=3&adxs=1255%2C579%2C1255%2C1255%2C579%2C1255%2C1255%2C409%2C1255%2C1255&adys=6081%2C160%2C2710%2C3418%2C8725%2C4357%2C5257%2C1110%2C432%2C1886&adks=1117590119%2C3605178184%2C2359696225%2C3627127958%2C1962598393%2C3468008905%2C1725660686%2C1471570832%2C3270541469%2C2793419091&gut=v2&ifi=1&u_his=2&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_sd=1&flash=0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&dssz=32&icsg=43520&std=0&vis=1&dmc=8&scr_x=0&scr_y=0&psz=300x361%7C1225x90%7C332x8272%7C300x739%7C1285x154%7C300x700%7C332x8272%7C1585x-1%7C332x8272%7C332x8272&msz=300x-1%7C728x-1%7C300x-1%7C300x-1%7C728x-1%7C300x-1%7C300x-1%7C728x-1%7C300x-1%7C300x-1&ga_vid=257465993.1538657811&ga_sid=1538657812&ga_hid=337077589&fws=4%2C4%2C4%2C4%2C4%2C4%2C4%2C4%2C4%2C4
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
277cdeb34149eb24b04f775daeb0bbb7f935d028ef24940273be66a531558dc1
Security Headers
Name Value
Content-Security-Policy child-src 'self' 'unsafe-inline' cm.g.doubleclick.net googleads.g.doubleclick.net www.google.com accounts.google.com pagead2.googlesyndication.com/pagead/s/cookie_push.html gmsg: https://tpc.googlesyndication.com/sadbundle/$csp%3Der3$/4678175387410913815/index.html;frame-src 'self' 'unsafe-inline' cm.g.doubleclick.net googleads.g.doubleclick.net www.google.com accounts.google.com pagead2.googlesyndication.com/pagead/s/cookie_push.html gmsg: https://tpc.googlesyndication.com/sadbundle/$csp%3Der3$/4678175387410913815/index.html;report-uri https://pagead2.googlesyndication.com/pagead/gen_csp?id=adbundle&qqi=CNKot4Lr7N0CFZmZmgoditEIfQ&gqi=&layout=/sadbundle/%24csp%253Der3%24/4678175387410913815/index.html
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com

Response headers

content-security-policy
child-src 'self' 'unsafe-inline' cm.g.doubleclick.net googleads.g.doubleclick.net www.google.com accounts.google.com pagead2.googlesyndication.com/pagead/s/cookie_push.html gmsg: https://tpc.googlesyndication.com/sadbundle/$csp%3Der3$/4678175387410913815/index.html;frame-src 'self' 'unsafe-inline' cm.g.doubleclick.net googleads.g.doubleclick.net www.google.com accounts.google.com pagead2.googlesyndication.com/pagead/s/cookie_push.html gmsg: https://tpc.googlesyndication.com/sadbundle/$csp%3Der3$/4678175387410913815/index.html;report-uri https://pagead2.googlesyndication.com/pagead/gen_csp?id=adbundle&qqi=CNKot4Lr7N0CFZmZmgoditEIfQ&gqi=&layout=/sadbundle/%24csp%253Der3%24/4678175387410913815/index.html
content-encoding
gzip
x-content-type-options
nosniff
google-mediationgroup-id
-2,-2,-2,-2,-2,-2,-2
google-creative-id
138223267759,138236844845,138213267280,138213297438,138213265825,-1,-1,-1,138213266881,138213304125
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
49787
x-xss-protection
1; mode=block
google-lineitem-id
4547150315,4713476806,4449398052,4449329006,4449392049,-1,-1,-1,4449373883,4448885944
pragma
no-cache
server
cafe
google-mediationtag-id
-2
date
Thu, 04 Oct 2018 12:56:52 GMT
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
https://www.britannica.com
access-control-expose-headers
x-google-amp-ad-validated-version
cache-control
no-cache, must-revalidate
access-control-allow-credentials
true
timing-allow-origin
*
expires
Fri, 01 Jan 1990 00:00:00 GMT
pubads_impl_rendering_257.js
securepubads.g.doubleclick.net/gpt/
73 KB
27 KB
Script
General
Full URL
https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
sffe /
Resource Hash
a808e4bd4710bcc9100dd72544539e85aa923ba189e5fbdf1870696b200dd911
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Tue, 25 Sep 2018 19:53:41 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
private, immutable, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27215
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:51 GMT
container.html
tpc.googlesyndication.com/safeframe/1-0-29/html/
0
0
Other
General
Full URL
https://tpc.googlesyndication.com/safeframe/1-0-29/html/container.html
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/
Resource Hash

Request headers

Purpose
prefetch
Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

expires
Wed, 02 Oct 2019 06:22:24 GMT
cache-control
public, immutable, max-age=31536000
last-modified
Mon, 11 Jun 2018 14:38:59 GMT
content-type
text/html
middy-desktop-1.5.1.js
middycdn-a.akamaihd.net/sd/apps/middy/
75 KB
21 KB
Script
General
Full URL
https://middycdn-a.akamaihd.net/sd/apps/middy/middy-desktop-1.5.1.js
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/bootstrap/bootstrap.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_256_GCM
Server
2.16.186.73 , European Union, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
a2-16-186-73.deploy.static.akamaitechnologies.com
Software
AmazonS3 /
Resource Hash
1cceca0ade3cc123de59f2ff693ecb489c327a41f989fb59946ea8352d6df0c5

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com

Response headers

x-amz-version-id
aYVru_WC0o.VqD9UhrqswrWlXviI2EtB
Content-Encoding
gzip
ETag
"aac2f97b4fb1351f112a753bd19f29e8"
x-amz-request-id
48C30C0FB0ADFC4D
Connection
keep-alive
Vary
Accept-Encoding
Content-Length
20589
x-amz-id-2
SxYczB8wSfbScHfctmQ7AkPr9+V83DJdSJGg0l/OzcF4lWP4CdmGZTZHlzQosGdx6+X3+6K0kBE=
Last-Modified
Mon, 03 Sep 2018 14:26:15 GMT
Server
AmazonS3
Date
Thu, 04 Oct 2018 12:56:51 GMT
Access-Control-Max-Age
86400
Access-Control-Allow-Methods
GET,POST
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=2592000
Access-Control-Allow-Credentials
false
Accept-Ranges
bytes
Access-Control-Allow-Headers
*
Expires
Sat, 03 Nov 2018 12:56:51 GMT
headerstats
as-sec.casalemedia.com/
0
342 B
XHR
General
Full URL
https://as-sec.casalemedia.com/headerstats?s=185524&u=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&v=2
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.234.21 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a2-18-234-21.deploy.static.akamaitechnologies.com
Software
Apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:51 GMT
Server
Apache
Content-Type
text/plain
Access-Control-Allow-Origin
https://www.britannica.com
Cache-Control
max-age=0, no-cache, no-store
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Length
0
Expires
Thu, 04 Oct 2018 12:56:51 GMT
supply
yield-manager.browsiprod.com/events/
0
103 B
XHR
General
Full URL
https://yield-manager.browsiprod.com/events/supply?p=e0cabf03-5833-4710-8368-caccd70579e2
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/sd/apps/middy/middy-desktop-1.5.1.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
54.213.225.123 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-54-213-225-123.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

status
204
date
Thu, 04 Oct 2018 12:56:51 GMT
access-control-allow-credentials
true
access-control-allow-origin
https://www.britannica.com
abd.js
middycdn-a.akamaihd.net/
3 KB
2 KB
Script
General
Full URL
https://middycdn-a.akamaihd.net/abd.js
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/sd/apps/middy/middy-desktop-1.5.1.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_256_GCM
Server
2.16.186.113 , European Union, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
a2-16-186-113.deploy.static.akamaitechnologies.com
Software
AmazonS3 /
Resource Hash
481d713552f587d3bc0e3683557f8541ea69543e4d7abb7e4299c646ab10fd03

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-amz-version-id
rKwk7MJeT07HcAaaVBBDA7s6dDzRWDJ1
Content-Encoding
gzip
ETag
"bc70a2c30105ea2f98d83f5ad623fc39"
x-amz-request-id
CD121F108A163294
Connection
keep-alive
Vary
Accept-Encoding
Content-Length
1632
x-amz-id-2
NT4bTYitT2Qs+TIifMG5dEIwCsCLDghuNN4QBcrOCcn4YXDJigkg4VCxYFLhU6C4
Last-Modified
Sun, 08 Jul 2018 12:47:26 GMT
Server
AmazonS3
Date
Thu, 04 Oct 2018 12:56:51 GMT
Access-Control-Max-Age
86400
Access-Control-Allow-Methods
GET,POST
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=2592000
Access-Control-Allow-Credentials
false
Accept-Ranges
bytes
Access-Control-Allow-Headers
*
Expires
Sat, 03 Nov 2018 12:56:51 GMT
px.gif
ad-delivery.net/
43 B
348 B
Image
General
Full URL
https://ad-delivery.net/px.gif?ch=1&e=0.02436788299753534
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.43 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-43.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
cf4724b2f736ed1a0ae6bc28f1ead963d9cd2c1fd87b6ef32e7799fc1c5c8bda

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Fri, 13 Jul 2018 09:17:43 GMT
via
1.1 bc44333126502b410c97fe54a495ac36.cloudfront.net (CloudFront)
last-modified
Thu, 27 Jul 2017 18:59:05 GMT
server
AmazonS3
age
84769
etag
"ad4b0f606e0f8465bc4c4c170b37e1a3"
x-cache
Hit from cloudfront
content-type
image/gif
status
200
accept-ranges
bytes
content-length
43
x-amz-cf-id
2ssYjnAdHVe17B0Orf1D47o3gnFUylVIEx-13VQQ03PjkwqA-J8EiQ==
jquery.color-2.1.2.min.js
cluster-eu.cdnjquery.com/color/
0
0
Script
General
Full URL
https://cluster-eu.cdnjquery.com/color/jquery.color-2.1.2.min.js?integrity=&checksum=5%%7E%27fgf%27%3F5%29%27vq%27%3F7%29%27dp%27%3F%5EX%29%27w%60c%27%3F%27mqquv%3F**rrr+gwlqdkklfd+fjh*qjulf*lkcjwhdqljk%28v%7Cvq%60h%27%29%27dd%27%3F6%29%27ula%27%3F%27ff06d%3C44%284g%3D7%280c52%283026%280260321%3Cd147%27%29%27cjwhdq%27%3F%27ovjku%27x&o=www.britannica.com
Requested by
Host: eb-com.videoplayerhub.com
URL: https://eb-com.videoplayerhub.com/videoplayer.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.72.138.185 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-52-72-138-185.compute-1.amazonaws.com
Software
nginx/1.12.1 /
Resource Hash
Security Headers
Name Value
X-Frame-Options DENY

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:52 GMT
Server
nginx/1.12.1
Connection
keep-alive
ETag
W/"b-EFiDB1U+dmqzx9Mo2UjcZ1SJPO8"
Content-Length
11
X-Frame-Options
DENY
Content-Type
text/html; charset=utf-8
amp4ads-host-v0.js
cdn.ampproject.org/rtv/011810021759000/
19 KB
7 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/amp4ads-host-v0.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
64ae6f5555633ec11f660da51bc9b48c9e03f717552a7e29fde6fee5a930c199
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143178
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
7565
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:10:34 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:10:34 GMT
async.js
cdn.adtrue.com/rtb/ Frame AC77
7 KB
3 KB
Script
General
Full URL
https://cdn.adtrue.com/rtb/async.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2400:cb00:2048:1::6814:326f , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
43dad3c3c5cdf4d78337ab0bc4a987a014dd0c3ce4e74c5912da10cbed360de4

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:52 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Wed, 02 Aug 2017 05:06:20 GMT
server
cloudflare
etag
W/"59815dcc-1bfa"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
application/x-javascript
status
200
cache-control
public, max-age=31104000
cf-ray
4647cf9fab4b64b7-FRA
expires
Sun, 29 Sep 2019 12:56:52 GMT
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame AC77
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
osd.js
pagead2.googlesyndication.com/pagead/
73 KB
27 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/osd.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
529c1cbb7d45d75e314a6a272b60becbe6292596f223aaa5031bfee18e5de18c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:29:15 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
1657
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27075
x-xss-protection
1; mode=block
server
cafe
etag
4419814973199397027
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=3600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 13:29:15 GMT
t.js
windymed.com/ Frame 1953
11 KB
11 KB
Script
General
Full URL
https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash
7af22bc06f19bebb20dd7d77d0e9bbf9ba67e9af718df28d486eb8697b7344ec

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
date
Thu, 04 Oct 2018 12:56:52 GMT
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
NrFAZ-9o6kC4NqIut32j2KQyNH6iw8kHToCj9b-GoiK6BBogIwKi-w==
x-cache
Miss from cloudfront
content-type
application/javascript; charset=UTF-8
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame 1953
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
tags.js
tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/ Frame 860A
58 KB
14 KB
Script
General
Full URL
https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.77 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
tags.expo9.exponential.com
Software
/
Resource Hash
9b8d60db0061e937e21d1027a6516d211b34a54f28fbdad1b0f6b15a028ebbf7

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
X-Function
151
X-Reuse-Index
1
ETag
14889572131446102168
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
max-age=3600, private
Last-Modified
Mon, 11 Jun 2018 04:07:30 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
13942
Expires
Thu, 04 Oct 2018 13:56:53 GMT
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame 860A
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
tags.js
tags.expo9.exponential.com/tags/Britannicacom/Index_INTL/ Frame 2F53
58 KB
14 KB
Script
General
Full URL
https://tags.expo9.exponential.com/tags/Britannicacom/Index_INTL/tags.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.77 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
tags.expo9.exponential.com
Software
/
Resource Hash
8d6e050aee32c0fac20088b7256f575b2fa4136635d7a6b6cc9e3aba52d9a24d

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
X-Function
151
X-Reuse-Index
1
ETag
6788416430540696613
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
max-age=3600, private
Last-Modified
Mon, 11 Jun 2018 04:07:30 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
13942
Expires
Thu, 04 Oct 2018 13:56:53 GMT
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame 2F53
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
tags.js
tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/ Frame 0DC7
58 KB
14 KB
Script
General
Full URL
https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.77 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
tags.expo9.exponential.com
Software
/
Resource Hash
9b8d60db0061e937e21d1027a6516d211b34a54f28fbdad1b0f6b15a028ebbf7

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
X-Function
151
X-Reuse-Index
1
ETag
14889572131446102168
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
max-age=3600, private
Last-Modified
Mon, 11 Jun 2018 04:07:30 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
13942
Expires
Thu, 04 Oct 2018 13:56:53 GMT
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame 0DC7
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
container.html
tpc.googlesyndication.com/safeframe/1-0-29/html/ Frame ED40
0
0
Document
General
Full URL
https://tpc.googlesyndication.com/safeframe/1-0-29/html/container.html
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
tpc.googlesyndication.com
:scheme
https
:path
/safeframe/1-0-29/html/container.html
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
accept-ranges
bytes
vary
Accept-Encoding
content-encoding
gzip
content-type
text/html
timing-allow-origin
*
content-length
1479
date
Tue, 02 Oct 2018 06:22:24 GMT
expires
Wed, 02 Oct 2019 06:22:24 GMT
last-modified
Mon, 11 Jun 2018 14:38:59 GMT
x-content-type-options
nosniff
server
sffe
x-xss-protection
1; mode=block
cache-control
public, immutable, max-age=31536000
age
196468
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
amp4ads-v0.js
cdn.ampproject.org/rtv/011810021759000/ Frame F32C
263 KB
83 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
f1557bf5cf9bde79cf74ac5b1fe50a60802becd903be3b76c6325a398bf05185
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143178
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
85387
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:10:34 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:10:34 GMT
amp-analytics-0.1.js
cdn.ampproject.org/rtv/011810021759000/v0/ Frame F32C
116 KB
37 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/v0/amp-analytics-0.1.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
60bf5f749e528c9585fe7aec8228a9388a0b7031ea981f9333590cdbba823996
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143709
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
37907
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:01:43 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:01:43 GMT
amp-fit-text-0.1.js
cdn.ampproject.org/rtv/011810021759000/v0/ Frame F32C
3 KB
1 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/v0/amp-fit-text-0.1.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
88ead6c87f3749c9a087601b8751e63ce83f5d073a84289acb5579e678a4e253
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143702
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
1435
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:01:50 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:01:50 GMT
amp-form-0.1.js
cdn.ampproject.org/rtv/011810021759000/v0/ Frame F32C
33 KB
12 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/v0/amp-form-0.1.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
a7066d9528d78aa47daf6ee5e1a7ec570c2b5d1bab1cdffe0d9cc6a17c44e989
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143706
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
11824
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:01:46 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:01:46 GMT
css
fonts.googleapis.com/ Frame F32C
7 KB
806 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Roboto:300|Roboto:400,500&lang=en
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
35c990f5530deb7d2f640743aeb26a9e5d5c3bf1838542d9237f29fd93bec8a3
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:52 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:52 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:52 GMT
css
fonts.googleapis.com/ Frame F32C
4 KB
697 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Roboto:400,500&text=
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
b2d821701db1212a6143bb0de1714bc0989a2639ce5c42062f9ec755784680f1
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:52 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:52 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:52 GMT
amp4ads-v0.js
cdn.ampproject.org/rtv/011810021759000/ Frame 4096
263 KB
84 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
f1557bf5cf9bde79cf74ac5b1fe50a60802becd903be3b76c6325a398bf05185
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143178
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
85387
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:10:34 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:10:34 GMT
amp-analytics-0.1.js
cdn.ampproject.org/rtv/011810021759000/v0/ Frame 4096
116 KB
37 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/v0/amp-analytics-0.1.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
60bf5f749e528c9585fe7aec8228a9388a0b7031ea981f9333590cdbba823996
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143709
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
37907
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:01:43 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:01:43 GMT
amp-fit-text-0.1.js
cdn.ampproject.org/rtv/011810021759000/v0/ Frame 4096
3 KB
1 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/v0/amp-fit-text-0.1.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
88ead6c87f3749c9a087601b8751e63ce83f5d073a84289acb5579e678a4e253
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143702
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
1435
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:01:50 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:01:50 GMT
amp-form-0.1.js
cdn.ampproject.org/rtv/011810021759000/v0/ Frame 4096
33 KB
12 KB
Script
General
Full URL
https://cdn.ampproject.org/rtv/011810021759000/v0/amp-form-0.1.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
a7066d9528d78aa47daf6ee5e1a7ec570c2b5d1bab1cdffe0d9cc6a17c44e989
Security Headers
Name Value
Content-Security-Policy default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-security-policy
default-src * blob: data:; script-src blob: https://cdn.ampproject.org/rtv/ https://cdn.ampproject.org/v0.js https://cdn.ampproject.org/v0/ https://cdn.ampproject.org/viewer/; object-src 'none'; style-src 'unsafe-inline' https://cdn.ampproject.org/rtv/ https://cdn.materialdesignicons.com https://cloud.typography.com https://fast.fonts.net https://fonts.googleapis.com https://maxcdn.bootstrapcdn.com https://p.typekit.net https://pro.fontawesome.com https://use.fontawesome.com https://use.typekit.net; report-uri https://csp-collector.appspot.com/csp/amp
content-encoding
gzip
x-content-type-options
nosniff
age
143706
status
200
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
11824
x-xss-protection
1; mode=block
last-modified
Tue, 02 Oct 2018 18:45:00 GMT
server
sffe
date
Tue, 02 Oct 2018 21:01:46 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/javascript
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 02 Oct 2019 21:01:46 GMT
css
fonts.googleapis.com/ Frame 4096
7 KB
760 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Roboto:300|Roboto:400,500&lang=en
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
35c990f5530deb7d2f640743aeb26a9e5d5c3bf1838542d9237f29fd93bec8a3
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:52 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:52 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:52 GMT
css
fonts.googleapis.com/ Frame 4096
4 KB
697 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Roboto:400,500&text=
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
b2d821701db1212a6143bb0de1714bc0989a2639ce5c42062f9ec755784680f1
Security Headers
Name Value
Strict-Transport-Security max-age=604800
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=604800
content-encoding
gzip
last-modified
Thu, 04 Oct 2018 12:56:52 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Thu, 04 Oct 2018 12:56:52 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 12:56:52 GMT
tags.js
tags.expo9.exponential.com/tags/Britannicacom/INTLATF/ Frame 7F40
58 KB
14 KB
Script
General
Full URL
https://tags.expo9.exponential.com/tags/Britannicacom/INTLATF/tags.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.77 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
tags.expo9.exponential.com
Software
/
Resource Hash
ada61614b9b3cf9d2a6443e1c3ab7db8ff102c752dac962615a113a46c276684

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
X-Function
151
X-Reuse-Index
1
ETag
13401407357724910097
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
max-age=3600, private
Last-Modified
Mon, 11 Jun 2018 04:07:30 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
13938
Expires
Thu, 04 Oct 2018 13:56:53 GMT
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame 7F40
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
tags.js
tags.expo9.exponential.com/tags/Britannicacom/INTLBTF/ Frame B9FB
58 KB
14 KB
Script
General
Full URL
https://tags.expo9.exponential.com/tags/Britannicacom/INTLBTF/tags.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.77 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
tags.expo9.exponential.com
Software
/
Resource Hash
6a61bf333c0fdf7261740e8cf19d0204c913fd8faf270ec131c095cb68581891

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
X-Function
151
X-Reuse-Index
1
ETag
8682180169355088677
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
max-age=3600, private
Last-Modified
Mon, 11 Jun 2018 04:07:30 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
13938
Expires
Thu, 04 Oct 2018 13:56:53 GMT
osd_listener.js
tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/ Frame B9FB
73 KB
27 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20181001/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_rendering_257.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ff01bf2b632c1d5945c0ca63842a9dc99bbb66408cb7b2e7ef2cc9ce530476b0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:06:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
193814
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27156
x-xss-protection
1; mode=block
server
cafe
etag
9817518193134714597
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 07:06:38 GMT
view
securepubads.g.doubleclick.net/pcs/ Frame AC77
0
56 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjsuUrR59Y234uB8rzFPHO19R-zx-1ZYbDqiSTtK4zkvTRNdh9eIKiefhklMVE-85CqYKUoLwB4TxSTKmfpRGmp3--SlnqeuN3aZ8GJ2L3H9X9fT0cUq9Tka5NPSS0UUabJzxvjKfZICk4uYVb42f3CkZp32YfilPznF2tqKSV4wlF4_5fEcEf72AuLS85PH6f9r8o8QCx2-4Ui55nds6zViG2bLUteysHgxv3S4Unp2rUhU583hiOV2LUReV40RSH3kERgzAt5D4XvGyNRReH21rSUKkZuiJfh15ojVa&sai=AMfl-YSDX52b4OURBy2m_EQLcsmEKyVOt48je8k5S35vQydO9L7VjVLpKJlAWh3AF_Xm7VEDQA10UNhB3AyzNS0PgxUE1HM0ORgnZKcDRcy8_6d9dfHS8OqlJnsI7DI&sig=Cg0ArKJSzIc45nPLtp4qEAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
view
securepubads.g.doubleclick.net/pcs/ Frame 1953
0
63 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjsst7ejKVx3tU0y8heSr9x8Ht6ZznWZEWo5Wx7a_x7docxqL7ATlGOcKHbJVXOrXwQelB4WVZ6r7Oq7ebEmc99iKSNqVmNRMKbNGhYDwG7BLYGoTxFH6tor3UheI-OF1HQ1vELgi6zVplDPEddfrXKEBLW0nsLFIJkM2tQ4w2N0_HvSdQNJL7Zcu81NYOHFCgeB91crxsQJSGzSr1pMmWfZR6urk-Gt6YBxeQvtgpNeA02uZoxKL_0xFjFRcZ2jHq-GN96Exvw49vjzSysyUicqDT0CoHHlcwJiE&sai=AMfl-YSh-YXt0MwdFK3x9HE1n1W5w_fK3IDM39d2XOWziqmUSLuVwNyW0YVfLdw_-buukTsdK1S0oHdP2UOw0kuVUk1Rka1_7gn4eU-jH-PA46LkljsWPrOrvbmphmo&sig=Cg0ArKJSzE6x9_0Pch9dEAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
view
securepubads.g.doubleclick.net/pcs/ Frame 860A
0
47 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjstLT7Jte-jkQ6LKPX9lHqDh3m3EIPj6kYdvBjI93-8zqzDiCmu51rBNOoew_oBsbXYSBJCw6X6sdwdKWBCu_JYSsfTx8arYnFfNG5cHk7CnCxTzBP8oJgbq5XT28uhONBP75hLm66oseSqBPYlTOKlGcKLPgXVZLQS6QjVHBxosmceDkb6L6d90Il7Dkpa7joGfWXM5Ff4mYRbusSF-izWTFkKZUGIk_9pIZ-SY_IIoEDziISHCnYKwfvIXAC2V7Q3R79z3PpSYyWpKxGLIT1pIUwFBLLLERv_aTGip&sai=AMfl-YRp1d6dO4kdtAhuUQ0DSZF5s292fS0bnmwVvL3G6mJMdeOZQ-UbnkfUL0-auXgY004XnIDKGgZCGQaKTxSBhF3cAMOYSKZKxWy81J9zEugQyvE4Hoo0mMmiWxs&sig=Cg0ArKJSzJqlXQsILYg9EAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
view
securepubads.g.doubleclick.net/pcs/ Frame 2F53
0
56 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjst40v9RQpZ6484ZMKsEQglgAZKz2PW2xRtTqdspINXbcjy1eLYRYruQeGvwQZrLV3K4RobSHb1Ama51tiWElAvoCxvKB0tVYusJXCz-cKTfU7n1tQaKD_MI4y3hgEjyo7pVYLYmeEvzbsHY-CNel3SzeDmk4vq0w4q2QYcoN76JC9NFlmm1jwvIm5_BCUTKE7One6EWZ3j-hAqUPP2myZPSHx9sww7wOfSx0IPTVvg9ZoRmNRVIDsyK6ROe6XnDHE5I4TgNRgvBL7L7Xdb-YAIKA723j-WoNHIA08vpXA&sai=AMfl-YTLtc10tKMjT9uzm4MRnS6rDjMNsbVZ8rLoivzBEvdklZpit3x-97EwJLKkITVLHKNfJqI4Lit7jEhAwxvRhabw9m5o-KzRBy-oLk7j39Ql_4BkmNJaemeIGy0&sig=Cg0ArKJSzC_ZoUBCSsgeEAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
view
securepubads.g.doubleclick.net/pcs/ Frame 0DC7
0
47 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjsv9b2S0Eo9pQAqVAx68MSi8DoP8DKTJmcAlAPVPYeU9VZoxFuqqhLL1oy9nwlCmIk1eMOtVfgjOF9TsOPp8hiOPYLfs1f1vwfajmhG_WfdA7rE9c6z6sOkHDwXcvNe2owv59ph4bC-IRN6dZL-nhJ0eUKvC_-pk1ftYx7gvLdBm_WI_FDOnr0g8SrWl5drGQSLxlv4GZvzLOBlBLzqBEaDTwU69z9kiadSecFuEBbhnx5QrHgiQa5hKi8mT6exx7tkZTXSe56YfW3BoSeeJzMzqbv12UwGHsC4&sai=AMfl-YQDGwU0d_VpeUvyDdVsFmXdz0ov5l2kpabH7qEus_1CMqm3oLz2EfD3Y8Il2iRy6SnIb6UDJ2fZudaskB6Gny5h6MEnJSK3VrlD528h6krq-SSgW_baPks0t9k&sig=Cg0ArKJSzOzmC9Eebt4rEAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
11756092501305201872
tpc.googlesyndication.com/daca_images/simgad/ Frame F32C
38 KB
38 KB
Image
General
Full URL
https://tpc.googlesyndication.com/daca_images/simgad/11756092501305201872?sqp=-oaymwEOCNgEELoCIAFISFABWAE&rs=AOga4qmbATl-G7qAquhO_15G3zgzQ17bqw
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
662bb1230d038caa0164f4c3ffa28f805ba2484462bba8a2053c370da0299d75
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:33:38 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jan 2018 19:16:06 GMT
server
sffe
age
192194
status
200
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=604800
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
38594
x-xss-protection
1; mode=block
expires
Tue, 09 Oct 2018 07:33:38 GMT
8573414594815487449
tpc.googlesyndication.com/daca_images/simgad/ Frame F32C
8 KB
8 KB
Image
General
Full URL
https://tpc.googlesyndication.com/daca_images/simgad/8573414594815487449?sqp=-oaymwEOCNgEENgEIAFISFABWAE&rs=AOga4qkbMf1AeS6x_8Al6e6ln_YESwExbA
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
9198d16b9776f312a91baea0c5eab89f812542a4d0e2dd86e22c51cf8319b574
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:16:23 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jan 2018 20:07:32 GMT
server
sffe
age
193229
status
200
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=604800
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
8535
x-xss-protection
1; mode=block
expires
Tue, 09 Oct 2018 07:16:23 GMT
adview
securepubads.g.doubleclick.net/pagead/ Frame F32C
0
74 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pagead/adview?ai=C59SXEw62W__bMYOm6wSdprqwC5-6wdpT1p6Ik9IGlJCEhMMLEAEg0raSHGClBqABjIvtmgPIAQbgAgCoAwHIAwqqBPcBT9AslUzpSBWlSr-iepLJCyWZOgY33TygYYgNC5J8Hg6d5gltGVrxty2MZuQjNSo1tGNCx-L-Qr-PPERiZn1J8zq32hwkukXRgJdX05O31DaswJI3yttWqFFYaoZDv-YxrZ69Ay80X6h9WHyE4Az4a2f-izLxiCB8q5fgjfDBmh-o_F_Q6eW83RK7fWpwcPICk1ONRGNf1-JJ_qMl_wiM0Q4V2t-8ZkqYSI48Y6_65_QNFuM6zvKRIedV8y9GgitMum_CCPKZWBPVh-lb5J0Fj4H7_SUbLQC86z40-3plMgIOchRyYOL2T0YX8fVOq4SawUrGaNyZqcAE6JDmqMMB4AQBkgUECAQYAZIFBAgFGASgBjeAB9z0kmWoB47OG6gH1ckbqAeoBqgH2csbqAfPzBuoB6a-G9gHAfIHBBDygQHSCAcIgGEQARgBgAoD2BMM&sigh=U7VDZW5ehoA&template_id=492&tpd=AGWhJmv21yM1suWTrCgzAg2ZeZuglE9ebcE45n02w7slBk19dw
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
l
www.google.com/ads/measurement/ Frame F32C
0
93 B
Image
General
Full URL
https://www.google.com/ads/measurement/l?ebcid=ALh7CaRKa64GB9Xqrvqs6kvqbIx8KcmfiNbZn21NMQGaItKCNG4boiJR4yt4dzfYtG-VJ_nkhQUb8ZP_PCuCqdkJqmPu214WWQ
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2004 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
en.png
tpc.googlesyndication.com/pagead/images/abg/ Frame F32C
3 KB
3 KB
Image
General
Full URL
https://tpc.googlesyndication.com/pagead/images/abg/en.png
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
85a64faec356c3a72f249a98a037317adc730ec6d38e47653cd53be5485d80a1
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 06:23:04 GMT
x-content-type-options
nosniff
server
cafe
age
23628
etag
15880770647744369592
vary
Accept-Encoding
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
public, max-age=86400
content-type
image/png
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
2982
x-xss-protection
1; mode=block
expires
Fri, 05 Oct 2018 06:23:04 GMT
icon.png
tpc.googlesyndication.com/pagead/images/abg/ Frame F32C
344 B
404 B
Image
General
Full URL
https://tpc.googlesyndication.com/pagead/images/abg/icon.png
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
53b99e4bde7498900885e58f9d6c383258f8a59b04389d6b54d3d4b89537b6f2
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 06:22:39 GMT
x-content-type-options
nosniff
server
cafe
age
23653
etag
6766994032117382215
vary
Accept-Encoding
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
public, max-age=86400
content-type
image/png
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
344
x-xss-protection
1; mode=block
expires
Fri, 05 Oct 2018 06:22:39 GMT
14990434741747667552
tpc.googlesyndication.com/daca_images/simgad/ Frame 4096
44 KB
44 KB
Image
General
Full URL
https://tpc.googlesyndication.com/daca_images/simgad/14990434741747667552?sqp=-oaymwEOCNgEENgEIAFISFABWAE&rs=AOga4qlgFovLSZ8x8wZ8zdMK-jT4tOrEDg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
ba5799e1cea9bd463e912bbd5dfa4c1ee5f91f5636c689aa613e3b7e28bb9545
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:05:24 GMT
x-content-type-options
nosniff
last-modified
Fri, 20 Jul 2018 02:16:19 GMT
server
sffe
age
193888
status
200
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=604800
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
44768
x-xss-protection
1; mode=block
expires
Tue, 09 Oct 2018 07:05:24 GMT
8694619033754229487
tpc.googlesyndication.com/daca_images/simgad/ Frame 4096
7 KB
7 KB
Image
General
Full URL
https://tpc.googlesyndication.com/daca_images/simgad/8694619033754229487?sqp=-oaymwEOCNgEENgEIAFISFABWAE&rs=AOga4qlFCUOswBa5wpXfOiwzhTjpeQJK0w
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
2ba12292e31db519aba09ff783b1fc550be86bec3eadbb659d9f7c7b457139eb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 07:02:56 GMT
x-content-type-options
nosniff
last-modified
Wed, 11 Apr 2018 16:12:16 GMT
server
sffe
age
194036
status
200
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=604800
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
6710
x-xss-protection
1; mode=block
expires
Tue, 09 Oct 2018 07:02:56 GMT
adview
securepubads.g.doubleclick.net/pagead/ Frame 4096
0
55 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pagead/adview?ai=CiDNJEw62W7LVMZS16wSl1qcQ55OAyFOYp9Wxgwie4eqbsg4QASDStpIcYKUGoAH_24rIA8gBBuACAKgDAcgDCqoE-QFP0KfaQVrsz2LWRS5EZUjQAUadJRWsdwrSXLGvYHW9T8qQD2r76Kf2rrLTEhduKNenprXQtEC1YZ0foW3eZgXwKd3Td0CYDt3HF_ud7AG6ECVJ7-LJEvgIXtTbMYBbk8oIdXaaVx57HHAo2IMY_g0f1wON2pZWu0KcGBwqb6eMQaSGzWeE9_0jiblp1o5ARVV-vWr5ITUBSTSjhNZtE8UTe_m28WC0cHIRR5lHC9JcQfe_oGAW2tj5iKqLy4YGyJ2n9t-YfJrwV8erc3eX4Z3TTx3JBI6BN7vJXJ3k4BwJEhrgq-hPq7xPD1BRA8Zm6bcNy6ZPL6LzKsHABNqcybfeAeAEAZIFBAgEGAGSBQQIBRgEkgUECAUYGJIFBQgFGKgBoAY3gAeptaV1qAeOzhuoB9XJG6gHqAaoB9nLG6gHz8wbqAemvhvYBwHyBwQQ3PMF0ggHCIBhEAEYAYAKA9gTDIgUAQ&sigh=LM5AoikAgF8&template_id=492&tpd=AGWhJmv9fshQ737rj91wEb0qBHfxRFmwB10v-4SivFopBzugFw
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
en.png
tpc.googlesyndication.com/pagead/images/abg/ Frame 4096
3 KB
3 KB
Image
General
Full URL
https://tpc.googlesyndication.com/pagead/images/abg/en.png
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
85a64faec356c3a72f249a98a037317adc730ec6d38e47653cd53be5485d80a1
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 06:23:04 GMT
x-content-type-options
nosniff
server
cafe
age
23628
etag
15880770647744369592
vary
Accept-Encoding
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
public, max-age=86400
content-type
image/png
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
2982
x-xss-protection
1; mode=block
expires
Fri, 05 Oct 2018 06:23:04 GMT
icon.png
tpc.googlesyndication.com/pagead/images/abg/ Frame 4096
344 B
476 B
Image
General
Full URL
https://tpc.googlesyndication.com/pagead/images/abg/icon.png
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:816::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
53b99e4bde7498900885e58f9d6c383258f8a59b04389d6b54d3d4b89537b6f2
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 06:22:39 GMT
x-content-type-options
nosniff
server
cafe
age
23653
etag
6766994032117382215
vary
Accept-Encoding
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
public, max-age=86400
content-type
image/png
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
344
x-xss-protection
1; mode=block
expires
Fri, 05 Oct 2018 06:22:39 GMT
view
securepubads.g.doubleclick.net/pcs/ Frame 7F40
0
56 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjstox6mbpM4_MUyXsRT9bZEIUwdcpMdpJ2S1yvlGHFwPJ1hqPVE6lJrm1-In_absuuJBqRv80lLGC49VVvPYB_IflQQBD8i33YCrltmw1zjkSrHg9otYgtM2_U7IzG90j3IRdhiGnW4k79yfKUZxnLTHfMOV30pi-_4y-z-qayQQHXOnLVDDjxyn_7i6N47am95Ac5lz2w0WyiAuwiymjtAC9x6qO8DeUedqiTjOTWXbBQzJhQbb-xpwDcDbe-Kpv6Vj23x67V60Ktbje1Y_ei0UmCX1PGmnwMLCbDj2&sai=AMfl-YQzYxFceFRUsNkXLrVGkHpSOr5bAp9qHPJ4AO0cPcdzGQ-7FRhnuVWFtEC5Y5eJuG1XDILGRB9oxNCXKKjZPE9s5H096jfhUQe_NuYVV0JFy-JKXyateuLd9k8&sig=Cg0ArKJSzBIxEoLR4H2EEAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
view
securepubads.g.doubleclick.net/pcs/ Frame B9FB
0
56 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjsvz3lzXwRAaXqZEwUc3NoQLMRkH9z8r1lCheeRagosrjzIfT9ggaG-wS6ITIge1e20J_Hri5RxsU93bDhgVN9uSTShKVycyad7WKEIVCy-7TshPDcE-ie8kwBQrx1B73GLPWtX9Fsjmpz_nKwzlH8pLU8uzbK0WjSxYvy7uk5_hkxYSYzSCQ2SSAF31axZ3QBjELWLW7DElge-BXQjCzvH08R1wfzQCD6Ux87Q5sg_0SnlA1ClIc2589Ra6MHIlQAxxPpLySpCG7pAuXzSIvuFm0rrjmWqS8a6aXVh3&sai=AMfl-YSlqiSMU00WU7dN1GXsvGu13hs0S26VJkS8uWfMOlxiqkONb2XmGnf_bp3unosAWpHa2pYRIu1Fw5XMKFTio08wugeYT3N_C-6DDUVXxthdKdGhT2X_HlVngZk&sig=Cg0ArKJSzB3HLN57qUcBEAE&urlfix=1&adurl=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
216.58.210.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s07-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
truncated
/ Frame 1953
209 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
1ecae5fece01ee6ef363f6f8b995ce8a374343d1372c6e1f1c2a74f9672a5159

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
fonts.gstatic.com/s/roboto/v18/ Frame F32C
10 KB
11 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
4352380f92ce7f9a4a4a23306b992bed10055dbfffe90987cc72083e583fc280
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Roboto:300|Roboto:400,500&lang=en
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:29 GMT
x-content-type-options
nosniff
last-modified
Mon, 16 Oct 2017 17:32:51 GMT
server
sffe
age
196463
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
10748
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:29 GMT
KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
fonts.gstatic.com/s/roboto/v18/ Frame F32C
11 KB
11 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
b79781efede37903be212fcdf63955e41c8649e678b6b83adf824459d240a188
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Roboto:300|Roboto:400,500&lang=en
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:30 GMT
x-content-type-options
nosniff
last-modified
Mon, 16 Oct 2017 17:32:55 GMT
server
sffe
age
196462
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
10788
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:30 GMT
KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 4096
10 KB
11 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
4352380f92ce7f9a4a4a23306b992bed10055dbfffe90987cc72083e583fc280
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Roboto:300|Roboto:400,500&lang=en
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:29 GMT
x-content-type-options
nosniff
last-modified
Mon, 16 Oct 2017 17:32:51 GMT
server
sffe
age
196463
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
10748
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:29 GMT
KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 4096
11 KB
11 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:816::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
b79781efede37903be212fcdf63955e41c8649e678b6b83adf824459d240a188
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://fonts.googleapis.com/css?family=Roboto:300|Roboto:400,500&lang=en
Origin
https://www.britannica.com

Response headers

date
Tue, 02 Oct 2018 06:22:30 GMT
x-content-type-options
nosniff
last-modified
Mon, 16 Oct 2017 17:32:55 GMT
server
sffe
age
196462
status
200
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
10788
x-xss-protection
1; mode=block
expires
Wed, 02 Oct 2019 06:22:30 GMT
truncated
/ Frame AC77
217 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
9e8628d228b934dc4ca0aa2e58d2c88fdaff57245df3e4c16591579929d266d2

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
impress
exchange.adtrue.com/delivery/ Frame 2B3A
701 B
807 B
Script
General
Full URL
https://exchange.adtrue.com/delivery/impress?pzoneid=9171&ref=https://www.britannica.com/topic/information-system&cb=2620850215&loc=https://www.britannica.com/topic/information-system
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.201.57.127 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-54-201-57-127.us-west-2.compute.amazonaws.com
Software
nginx /
Resource Hash
512522718a8706c411e161b71a2040762e2968b7c93a095a6ab4983546023bd6

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
date
Thu, 04 Oct 2018 12:56:53 GMT
server
nginx
x-host-name
adtrue-tag3
content-length
701
content-type
application/javascript
d
windymed.com/ Frame 6763
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=ad80a374ccc8ed47582fd9850775b8288&cb=9731031538657812574
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=ad80a374ccc8ed47582fd9850775b8288&cb=9731031538657812574
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
453
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
4ZqpO4Ieh423D1dNkVeGOgKA0DkNAJmOcd_s8ysWISaCrPCV8lO4Xw==
d
windymed.com/ Frame A49E
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=e67727f2f056fb1421f09a0814dd27de3&cb=7494161538657812586
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=e67727f2f056fb1421f09a0814dd27de3&cb=7494161538657812586
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
463
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
vlm8TFlzAKyfGMtfk9mH2rxJNfghB6sM4prrST9HwoffghyJHx7Wrw==
d
windymed.com/ Frame 1186
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=d3b7b87922613710a898b7c68cace9d31&cb=6915311538657812595
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=d3b7b87922613710a898b7c68cace9d31&cb=6915311538657812595
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
934
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
Sfc2OoV_TZndvWt0Rc3-xFPwF8cKE-J4gpLmbq1CxbW77PvRnXLKqQ==
d
windymed.com/ Frame 4489
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=a8f622c8aa14a9f369a2cc946a41f3ac1&cb=2022981538657812601
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=a8f622c8aa14a9f369a2cc946a41f3ac1&cb=2022981538657812601
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
422
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
XsHKvCkjvAoRtZMChKaGLmXG45vJaPBq_1bDOSjaseC5bocnk3v0Yw==
d
windymed.com/ Frame A12A
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=0d5613e1a8febe648301d903f73453409&cb=5507021538657812611
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=0d5613e1a8febe648301d903f73453409&cb=5507021538657812611
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
316
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
knKVN2dwr_dTGwsOBG0oSDpY5LPXi-WsRAtNv0GyLnSlou47Ck4k1A==
d
windymed.com/ Frame 9664
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=9ab0bc24bb5ab6fcbf4ac97700b875c95&cb=2069061538657812618
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=9ab0bc24bb5ab6fcbf4ac97700b875c95&cb=2069061538657812618
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
472
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
BUOkT3MKm_LSyCuG4s7CNrPkumzno-7JGAWIqd_rseBEKESgN05kOQ==
d
windymed.com/ Frame 3A8E
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=be62e17e59a5aa637822dd2d64c8d1a09&cb=8073791538657812627
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=be62e17e59a5aa637822dd2d64c8d1a09&cb=8073791538657812627
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
259
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
y2P9gx51o1etQwHNELvo3vujbtJRnbFARSXSvPe9tK6-QHqBO_XEtQ==
d
windymed.com/ Frame 00E4
0
0
Document
General
Full URL
https://windymed.com/d?i=fzni66jmk0klknp3hi&a=ee3941985435dfacbe41c7512b19dcbc7&cb=6909341538657812632
Requested by
Host: windymed.com
URL: https://windymed.com/t.js?i=fzni66jmk0klknp3hi&cb=2107781538657812383
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash

Request headers

:method
GET
:authority
windymed.com
:scheme
https
:path
/d?i=fzni66jmk0klknp3hi&a=ee3941985435dfacbe41c7512b19dcbc7&cb=6909341538657812632
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
SSID=93c47a932670451162504b82cc755b4c5d78b55a
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
content-type
text/html; charset=UTF-8
content-length
369
date
Thu, 04 Oct 2018 12:56:52 GMT
x-cache
Miss from cloudfront
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
x-amz-cf-id
vitqpxOZesk411s5zXWVI0feGClyrG7fHzKTJ9TMR6-sBH7uJ5dvXQ==
pxl.jpg
windymed.com/ Frame 1953
597 B
811 B
Image
General
Full URL
https://windymed.com/pxl.jpg?i=fzni66jmk0klknp3hi&s=3080&p=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&h=2576311538657812854
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.214.102 Wilmington, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-143-204-214-102.fra53.r.cloudfront.net
Software
/
Resource Hash
af64a6f3ffc388b91cd70eae25893f7bea7e8e7d84d2c2b41c378cfbe13651ff

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
date
Thu, 04 Oct 2018 12:56:52 GMT
via
1.1 9d27077cd67d98c0474b05ec9d68df4a.cloudfront.net (CloudFront)
content-length
597
x-amz-cf-id
LwdAGMAzblJ7Gpr9IiQU1haQmeKn0GeIdt61oJwyW6tLlZRDB8abTQ==
x-cache
Miss from cloudfront
content-type
image/jpeg; charset=UTF-8
si
googleads.g.doubleclick.net/pagead/drt/ Frame 4096
Redirect Chain
  • https://www.google.com/pagead/drt/ui
  • https://googleads.g.doubleclick.net/pagead/drt/si
0
137 B
Image
General
Full URL
https://googleads.g.doubleclick.net/pagead/drt/si
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
cache-control
private
expires
Thu, 04 Oct 2018 12:56:52 GMT

Redirect headers

date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
safe
status
302
content-type
text/html; charset=UTF-8
location
https://googleads.g.doubleclick.net/pagead/drt/si
cache-control
private
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
246
x-xss-protection
1; mode=block
si
googleads.g.doubleclick.net/pagead/drt/ Frame F32C
Redirect Chain
  • https://www.google.com/pagead/drt/ui
  • https://googleads.g.doubleclick.net/pagead/drt/si
0
161 B
Image
General
Full URL
https://googleads.g.doubleclick.net/pagead/drt/si
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
cache-control
private
expires
Thu, 04 Oct 2018 12:56:53 GMT

Redirect headers

date
Thu, 04 Oct 2018 12:56:52 GMT
x-content-type-options
nosniff
server
safe
status
302
content-type
text/html; charset=UTF-8
location
https://googleads.g.doubleclick.net/pagead/drt/si
cache-control
private
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
246
x-xss-protection
1; mode=block
supply
yield-manager.browsiprod.com/events/
0
103 B
XHR
General
Full URL
https://yield-manager.browsiprod.com/events/supply?p=e0cabf03-5833-4710-8368-caccd70579e2
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/sd/apps/middy/middy-desktop-1.5.1.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
54.213.225.123 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-54-213-225-123.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

status
204
date
Thu, 04 Oct 2018 12:56:53 GMT
access-control-allow-credentials
true
access-control-allow-origin
https://www.britannica.com
publishertag.js
static.criteo.net/js/ld/ Frame 2B3A
78 KB
23 KB
Script
General
Full URL
https://static.criteo.net/js/ld/publishertag.js
Requested by
Host: exchange.adtrue.com
URL: https://exchange.adtrue.com/delivery/impress?pzoneid=9171&ref=https://www.britannica.com/topic/information-system&cb=2620850215&loc=https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_CBC
Server
178.250.0.130 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
nginx /
Resource Hash
7daa2dd2bacf6b8a3eb4016f254f730bdb8315f5b86de253bdedfc3fb6e68678

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
Last-Modified
Wed, 19 Sep 2007 08:50:25 GMT
Server
nginx
ETag
W/"5bac9eb6-138f9"
Transfer-Encoding
chunked
Content-Type
text/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=86400, public
Connection
keep-alive
Timing-Allow-Origin
*
Expires
Fri, 05 Oct 2018 12:56:53 GMT
request
track.adtrue.com/track/ Frame F2CC
0
0

ajs.php
cas.criteo.com/delivery/ Frame 2B3A
1 KB
2 KB
Script
General
Full URL
https://cas.criteo.com/delivery/ajs.php?ptv=58&zoneid=1131013&cb=69416428360&nodis=1&charset=UTF-8&dc=1&atfr=1&loc=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&gdprDta=BAAAAAAOVHIzUAcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&gdprGvn=1&gdprApp=1
Requested by
Host: static.criteo.net
URL: https://static.criteo.net/js/ld/publishertag.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_CBC
Server
178.250.0.71 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
cas.criteo.com
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
f375f51115c9ca0e49123ac1933182dab88882606f5700337000ee4bf7daf86b

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:52 GMT
Content-Encoding
gzip
Vary
Accept-Encoding
X-Powered-By
ASP.NET
P3P
CP='CUR ADM OUR NOR STA NID'
Content-Length
924
Pragma
no-cache
Server
Microsoft-IIS/10.0
Access-Control-Max-Age
1000
Access-Control-Allow-Methods
GET, POST, OPTIONS
Content-Type
text/javascript; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
private
Access-Control-Allow-Credentials
true
Access-Control-Allow-Headers
Origin, X-Requested-With, Content-Type, Accept
Expires
Mon, 26 Jul 1997 05:00:00 GMT
showad.js
ads.pubmatic.com/AdServer/js/ Frame 2B3A
34 KB
14 KB
Script
General
Full URL
https://ads.pubmatic.com/AdServer/js/showad.js
Requested by
Host: cas.criteo.com
URL: https://cas.criteo.com/delivery/ajs.php?ptv=58&zoneid=1131013&cb=69416428360&nodis=1&charset=UTF-8&dc=1&atfr=1&loc=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&gdprDta=BAAAAAAOVHIzUAcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&gdprGvn=1&gdprApp=1
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.233.180 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a2-18-233-180.deploy.static.akamaitechnologies.com
Software
Apache/2.2.15 (CentOS) /
Resource Hash
832c93f6707865315866953c8e58c8a23b1f20b39106e391a9d26f62a30b8fe0

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
Last-Modified
Mon, 10 Sep 2018 09:45:02 GMT
Server
Apache/2.2.15 (CentOS)
ETag
"13006c6-8723-57581361e2e3e"
Vary
Accept-Encoding
P3P
CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC", CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC"
Cache-Control
max-age=172736, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Type
text/html; charset=UTF-8
Content-Length
13128
Expires
Fri, 05 Oct 2018 16:50:30 GMT
lg.php
cat.fr.eu.criteo.com/delivery/ Frame 2B3A
43 B
330 B
Image
General
Full URL
https://cat.fr.eu.criteo.com/delivery/lg.php?cppv=1&cpp=FGL6wXxXcmc4Mk82ZnpDK2psdmx1YWhncDBJVWorZGQyVklkb2h4WmpxajFOYVhPdzB1VzVPdER0ZXJ1UmJRM000QjZQMGFrNzFOSWtZT0FTL1lzVzZkTVdzQUgzWHVlYy91Z29VcnVqTmFBd05JckYrL3JSSkw2Zk1wSmEzUi9lcXBGS0o2U0pBVUhDdWhhbTI2ME9kcldXdFVNaDFhOXF0RmpCekp6dDI1WjU5UnJCUVpheURuS2l5Qk5iL052dEVHVVFNUE5CSUl4bDBQSmUzUHVraWhDdHZ3dHZsb05SMkFSTzBuY3NTcllYM3hTbVZ2QlBiRlU1SDBEU2FBZm11ZnFRfA%3D%3D
Requested by
Host: cas.criteo.com
URL: https://cas.criteo.com/delivery/ajs.php?ptv=58&zoneid=1131013&cb=69416428360&nodis=1&charset=UTF-8&dc=1&atfr=1&loc=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&gdprDta=BAAAAAAOVHIzUAcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw&gdprGvn=1&gdprApp=1
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_CBC
Server
178.250.0.66 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
4e0705327480ad2323cb03d9c450ffcae4a98bf3a5382fa0c7882145ed620e49

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:52 GMT
Server
Microsoft-IIS/10.0
X-Powered-By
ASP.NET
P3P
CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Cache-Control
no-cache
Content-Type
image/gif
Content-Length
43
Expires
Mon, 26 Jul 1997 05:00:00 GMT
Cookie set showad.js
ads.pubmatic.com/AdServer/js/ Frame 7264
0
0
Document
General
Full URL
https://ads.pubmatic.com/AdServer/js/showad.js
Requested by
Host: ads.pubmatic.com
URL: https://ads.pubmatic.com/AdServer/js/showad.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.233.180 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a2-18-233-180.deploy.static.akamaitechnologies.com
Software
Apache/2.2.15 (CentOS) /
Resource Hash

Request headers

Host
ads.pubmatic.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
pp=156383; KTPCACOOKIE=YES; PUBMDCID=3; PMDTSHR=cat:
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

Expires
Fri, 05 Oct 2018 16:50:30 GMT
Last-Modified
Mon, 10 Sep 2018 09:45:02 GMT
ETag
"13006c6-8723-57581361e2e3e"
Cache-Control
max-age=172736, public
Server
Apache/2.2.15 (CentOS)
Accept-Ranges
bytes
Content-Encoding
gzip
Set-Cookie
KTPCACOOKIE=YES; domain=.pubmatic.com; path=/; max-age=7776000;
P3P
CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC", CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC"
Content-Length
13128
Content-Type
text/html; charset=UTF-8
Date
Thu, 04 Oct 2018 12:56:53 GMT
Connection
keep-alive
Vary
Accept-Encoding
Cookie set showad.js
ads.pubmatic.com/AdServer/js/ Frame 25B4
0
0
Document
General
Full URL
https://ads.pubmatic.com/AdServer/js/showad.js
Requested by
Host: ads.pubmatic.com
URL: https://ads.pubmatic.com/AdServer/js/showad.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.233.180 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a2-18-233-180.deploy.static.akamaitechnologies.com
Software
Apache/2.2.15 (CentOS) /
Resource Hash

Request headers

Host
ads.pubmatic.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
pp=156383; KTPCACOOKIE=YES; PUBMDCID=3; PMDTSHR=cat:
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

Expires
Fri, 05 Oct 2018 16:50:30 GMT
Last-Modified
Mon, 10 Sep 2018 09:45:02 GMT
ETag
"13006c6-8723-57581361e2e3e"
Cache-Control
max-age=172736, public
Server
Apache/2.2.15 (CentOS)
Accept-Ranges
bytes
Content-Encoding
gzip
Set-Cookie
KTPCACOOKIE=YES; domain=.pubmatic.com; path=/; max-age=7776000;
P3P
CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC", CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC"
Content-Length
13128
Content-Type
text/html; charset=UTF-8
Date
Thu, 04 Oct 2018 12:56:53 GMT
Connection
keep-alive
Vary
Accept-Encoding
AdServerServlet
sshowads.pubmatic.com/AdServer/ Frame 2B3A
1 KB
1 KB
Script
General
Full URL
https://sshowads.pubmatic.com/AdServer/AdServerServlet?pubId=155495&siteId=251459&adId=1257780&kadwidth=300&kadheight=250&SAVersion=2&js=1&kdntuid=1&pageURL=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&inIframe=1&kadpageurl=britannica.com&operId=3&sec=1&kltstamp=2018-10-4%2012%3A56%3A53&timezone=0&screenResolution=1600x1200&ranreq=0.6440125003116461&pmUniAdId=0&adVisibility=2&adPosition=6080x1255&gdpr=1&dspids=%7B%7D
Requested by
Host: ads.pubmatic.com
URL: https://ads.pubmatic.com/AdServer/js/showad.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, 3DES_EDE_CBC
Server
198.47.127.32 Redwood City, United States, ASN62713 (AS-PUBMATIC - PubMatic, Inc., US),
Reverse DNS
Software
nginx /
Resource Hash
5fbd3d663a583648085fb16843fbda6a7f7f8308c2a42991c8a34fad57fe5b47

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:53 GMT
Content-Encoding
gzip
Server
nginx
Transfer-Encoding
chunked
P3P
CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC"
Cache-Control
no-store, no-cache, private
Connection
keep-alive
Content-Type
text/html; charset=utf-8
bounce
secure.adnxs.com/ Frame 2B3A
Redirect Chain
  • https://secure.adnxs.com/ttj?id=12703926
  • https://secure.adnxs.com/bounce?%2Fttj%3Fid%3D12703926
7 KB
4 KB
Script
General
Full URL
https://secure.adnxs.com/bounce?%2Fttj%3Fid%3D12703926
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e55d6a584365ecb1eef849d040b669bc6a2d7a51c5be01ad2b4baef9a4cb6439
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:55 GMT
Content-Encoding
gzip
Transfer-Encoding
chunked
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Connection
keep-alive
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.220.19:80
X-XSS-Protection
0
Pragma
no-cache
AN-X-Request-Uuid
774cf67f-a674-4dd2-8b93-3ac7ae3b1b84
Server
nginx/1.13.4
Vary
Accept-Encoding
Content-Type
application/javascript; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Expires
Sat, 15 Nov 2008 16:00:00 GMT

Redirect headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:55 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.238:80
AN-X-Request-Uuid
2cf597ef-b357-4ef6-9a06-1f892a217ac5
Server
nginx/1.13.4
Access-Control-Allow-Origin
*
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Location
https://secure.adnxs.com/bounce?%2Fttj%3Fid%3D12703926
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
sync
gum.criteo.com/ Frame 2B3A
78 B
347 B
Script
General
Full URL
https://gum.criteo.com/sync?c=30&r=2&j=cr_handle_data_a
Requested by
Host: secure.adnxs.com
URL: https://secure.adnxs.com/bounce?%2Fttj%3Fid%3D12703926
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_256_CBC
Server
2a02:2638:1::1 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
b30fba42deb1790cce8047d9a26aa217b6bb37e27c4b7fbc7c6bb36315946bd6

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:52 GMT
Server
Microsoft-IIS/10.0
X-Powered-By
ASP.NET
Content-Type
text/javascript; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
private
Content-Length
78
Expires
Thu, 04 Oct 2018 13:56:53 GMT
ttj
secure.adnxs.com/ Frame 2B3A
0
796 B
Script
General
Full URL
https://secure.adnxs.com/ttj?ttjb=1&bdc=1538657815&bdh=bHu2sfmK3OMqxTSbh9wlVYHVsyY.&&bdref=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&bdtop=true&bdifs=2&bstk=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system,https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system,https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&&id=12703926
Requested by
Host: secure.adnxs.com
URL: https://secure.adnxs.com/bounce?%2Fttj%3Fid%3D12703926
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
185.33.223.100 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),
Reverse DNS
Software
nginx/1.13.4 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Date
Thu, 04 Oct 2018 12:56:55 GMT
X-Proxy-Origin
148.251.45.254; 148.251.45.254; 373.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.222:80
AN-X-Request-Uuid
b5d8a843-4cd3-41f5-aeb9-8b435d92bd65
Server
nginx/1.13.4
P3P
policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Access-Control-Allow-Origin
*
Cache-Control
no-store, no-cache, private
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/html; charset=utf-8
Content-Length
0
X-XSS-Protection
0
Expires
Sat, 15 Nov 2008 16:00:00 GMT
AdDisplayTrackerServlet
aktrack.pubmatic.com/AdServer/ Frame 531B
0
0
Document
General
Full URL
https://aktrack.pubmatic.com/AdServer/AdDisplayTrackerServlet?operId=1&pubId=155495&siteId=251459&adId=1257780&adType=3&adServerId=165&kefact=0.300000&kaxefact=0.300000&kadNetFrequecy=0&kadwidth=300&kadheight=250&kadsizeid=0&kltstamp=1538657813&indirectAdId=1039110&adServerOptimizerId=1&ranreq=0.6440125003116461&kpbmtpfact=0.000000&dcId=3&tldId=0&passback=11&svr=ADS22313&ekefact=FQ62W4IkBgCncPDF1KTcIM6yVhXmeGsKrjqAfj_QxxLGAvUc&ekaxefact=FQ62W5QkBgAwq_bX-Xfz3kndmY_oEQbI6tOTuRhG6ZViPD1I&ekpbmtpfact=FQ62W6MkBgBRmumsXycii9BmFMYmJRfHpCL4zK7GSE3GlRG5&crID=0&campaignId=0&isRTB=0&imprId=30E723A4-D5C3-4C0B-B477-488D259DDB2F&oid=30E723A4-D5C3-4C0B-B477-488D259DDB2F&cntryId=58&domain=britannica.com&pageURL=britannica.com&sec=1&pmc=0
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.233.180 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a2-18-233-180.deploy.static.akamaitechnologies.com
Software
/
Resource Hash

Request headers

Host
aktrack.pubmatic.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
KTPCACOOKIE=YES; PUBMDCID=3; PMDTSHR=cat:; pi=156383:2; pp=156383
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

Content-Type
text/html
Content-Length
0
Date
Thu, 04 Oct 2018 12:56:53 GMT
Connection
keep-alive
displayAd.js
s.tribalfusion.com/ Frame 860A
678 B
870 B
Script
General
Full URL
https://s.tribalfusion.com/displayAd.js?dver=0.8&th=7415410238
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
a85d8fbbc84a248ff8a5562baee4c853d8071c1a072cb76faf8beb88669e9697

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:54 GMT
Content-Encoding
gzip
X-Function
153
X-Reuse-Index
1
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private
Last-Modified
Tue, 04 Apr 2017 05:09:56 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
330
Expires
Wed, 02 Jan 2019 12:56:54 GMT
displayAd.js
s.tribalfusion.com/ Frame 2F53
677 B
870 B
Script
General
Full URL
https://s.tribalfusion.com/displayAd.js?dver=0.8&th=7415410238
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/Index_INTL/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
287010d85662a92036bc6a1064173b1936cb184d269afc14ff29d59c149493b6

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:54 GMT
Content-Encoding
gzip
X-Function
153
X-Reuse-Index
1
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private
Last-Modified
Tue, 04 Apr 2017 05:09:56 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
330
Expires
Wed, 02 Jan 2019 12:56:54 GMT
displayAd.js
s.tribalfusion.com/ Frame 0DC7
680 B
876 B
Script
General
Full URL
https://s.tribalfusion.com/displayAd.js?dver=0.8&th=7415410238
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
973b11fc69060fc25a23aa1379ccefd8521256a4363e760af0faa2d95ce99325

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:54 GMT
Content-Encoding
gzip
X-Function
153
X-Reuse-Index
1
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private
Last-Modified
Tue, 04 Apr 2017 05:09:56 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
335
Expires
Wed, 02 Jan 2019 12:56:54 GMT
displayAd.js
s.tribalfusion.com/ Frame 7F40
677 B
870 B
Script
General
Full URL
https://s.tribalfusion.com/displayAd.js?dver=0.8&th=7415410238
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTLATF/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
29585bcfacabd4918ff54b9246b751247958d88c24cf48512f2239cff07f5b26

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:54 GMT
Content-Encoding
gzip
X-Function
153
X-Reuse-Index
1
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private
Last-Modified
Tue, 04 Apr 2017 05:09:56 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
330
Expires
Wed, 02 Jan 2019 12:56:54 GMT
r
amp-error-reporting.appspot.com/ Frame 4096
2 B
155 B
XHR
General
Full URL
https://amp-error-reporting.appspot.com/r
Requested by
Host: cdn.ampproject.org
URL: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2014 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/ Express
Resource Hash
565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Thu, 04 Oct 2018 12:56:53 GMT
via
1.1 google
x-powered-by
Express
status
200
content-type
text/plain; charset=utf-8
access-control-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
2
displayAd.js
s.tribalfusion.com/ Frame B9FB
677 B
874 B
Script
General
Full URL
https://s.tribalfusion.com/displayAd.js?dver=0.8&th=7415410238
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTLBTF/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
06730a1a3bde8822282c52fe73a21531bdf55bd044c43538854a7589294afaae

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Oct 2018 12:56:54 GMT
Content-Encoding
gzip
X-Function
153
X-Reuse-Index
1
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private
Last-Modified
Tue, 04 Apr 2017 05:09:56 GMT
Connection
keep-alive
Content-Type
application/x-javascript
Content-Length
332
Expires
Wed, 02 Jan 2019 12:56:54 GMT
activeview
pagead2.googlesyndication.com/pcs/ Frame 1953
42 B
178 B
Image
General
Full URL
https://pagead2.googlesyndication.com/pcs/activeview?xai=AKAOjstDJ80u2j7HnpsqRMr7ZKpmZM7yvwRx0Q6MnLZq8khyrmHvtv34OiDd2iRgeesvYdZrRO-56N4Gc3BlRxByrVJvViBKEkbiQxA&sig=Cg0ArKJSzEtE_nuaBV8DEAE&adk=3605178184&tt=1150&bs=1585%2C1200&mtos=1016,1016,1016,1016,1016&tos=1016,0,0,0,0&p=160,579,250,1307&mms=1&mcvt=1016&rs=3&ht=0&tfs=153&tls=1169&mc=1&lte=1&bas=0&bac=0&avms=geo&rst=1538657812382&rpt=320&ps=1587%2C9742&ss=1600%2C1200&pt=20&deb=1-10-10-13-14-21-28-8&tvt=1157&r=v&id=osdim&uc=5&tgt=NOSCRIPT&cl=1&cec=7&clc=0&cac=0&cd=0x0&v=r20181001
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:53 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
status
200
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
access-control-allow-origin
*
cache-control
no-cache, must-revalidate
content-type
image/gif
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
42
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT
r
amp-error-reporting.appspot.com/ Frame F32C
2 B
64 B
XHR
General
Full URL
https://amp-error-reporting.appspot.com/r
Requested by
Host: cdn.ampproject.org
URL: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:821::2014 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/ Express
Resource Hash
565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
via
1.1 google
x-powered-by
Express
status
200
content-type
text/plain; charset=utf-8
access-control-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
2
activeview
pagead2.googlesyndication.com/pcs/ Frame 4096
42 B
110 B
Image
General
Full URL
https://pagead2.googlesyndication.com/pcs/activeview?xai=AKAOjstStYeNpfehaaIRRANgn1HhDCS5zfjmOjr-2o5AzrcjP7OjjgrejY1DuLgPOqAHfgOlBvnHeUGB3Kx0ZWhP0UZZmXqsuX1SuGaxz-CzC9y7vNk&sig=Cg0ArKJSzPcXxFcgGnnPEAE&cid=CAASFeRo0jfVv5jEtrS8KfprZCOfp20Omg&id=ampim&o=409,1110&d=728,90&ss=1600,1200&bs=1600,1200&mcvt=1000&mtos=0,0,1000,1000,1000&tos=0,0,1000,0,0&tfs=313&tls=1313&g=100&h=100&r=v&pt=142&tt=1314&adk=1471570832&avms=ampa
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:54 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
status
200
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
access-control-allow-origin
*
cache-control
no-cache, must-revalidate
content-type
image/gif
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
42
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT
j.ad
s.tribalfusion.com/ Frame 860A
5 KB
2 KB
Script
General
Full URL
https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intl_btf2&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=aWmneM0WrKmHau5A3P5sraXUUVR91ErZa&a=1&adContainerId=richmedia_2&rnd=17739478
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
0c620c2b6e13337024c1b270d42fa23b461d714f83eb53877b6c58519ed33373

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Content-Encoding
gzip
X-Function
101
X-Reuse-Index
2
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private, no-cache, no-store, proxy-revalidate
Connection
keep-alive
Content-Type
application/x-javascript; charset=utf-8
Content-Length
1980
Expires
0
j.ad
s.tribalfusion.com/ Frame 2F53
2 KB
1 KB
Script
General
Full URL
https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=index_intl&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=a5mneMTWb7YFQaYrFg0aip4VUsR91eDm&a=3&adContainerId=richmedia_4&rnd=17740930
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/Index_INTL/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
5c5d1b625b092c9c766a34e12366197fe8bb654c0cd5b442e3786667165370f5

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Content-Encoding
gzip
X-Function
101
X-Reuse-Index
2
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private, no-cache, no-store, proxy-revalidate
Connection
keep-alive
Content-Type
application/x-javascript; charset=utf-8
Content-Length
969
Expires
0
j.ad
s.tribalfusion.com/ Frame 7F40
373 B
760 B
Script
General
Full URL
https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intlatf&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=aRmneMoH3D2arh3Wit5A7IMGvOR91kLl&a=5&adContainerId=richmedia_6&rnd=17747102
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTLATF/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
c7d0827d03bb37d0d41dc29361288703cea07638e6605eb328a34e0340887938

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Content-Encoding
gzip
X-Function
101
X-Reuse-Index
2
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private, no-cache, no-store, proxy-revalidate
Connection
keep-alive
Content-Type
application/x-javascript; charset=utf-8
Content-Length
252
Expires
0
j.ad
s.tribalfusion.com/ Frame 0DC7
375 B
762 B
Script
General
Full URL
https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intl_btf2&center=1&env=display&size=728x90&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=aXmneM3tEq46BZanUvZbXGnTUUYjR91Zb2P&a=7&adContainerId=richmedia_8&rnd=17745663
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTL_BTF2/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
4a4730f11121f8f933603f2bcd8cd7e8a51773ee0fe1024adf79270e2228d215

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Content-Encoding
gzip
X-Function
101
X-Reuse-Index
2
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private, no-cache, no-store, proxy-revalidate
Connection
keep-alive
Content-Type
application/x-javascript; charset=utf-8
Content-Length
254
Expires
0
j.ad
s.tribalfusion.com/ Frame B9FB
377 B
764 B
Script
General
Full URL
https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intlbtf&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=a3mneM56rS4VU6TGUaWcbi49YJR91URM&a=9&adContainerId=richmedia_10&rnd=17743044
Requested by
Host: tags.expo9.exponential.com
URL: https://tags.expo9.exponential.com/tags/Britannicacom/INTLBTF/tags.js
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash
04f5589e03160cbea0629ac43e03fc46db64e3df1b31898e33e93b6d55c70387

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma
no-cache
Content-Encoding
gzip
X-Function
101
X-Reuse-Index
2
Vary
Accept-Encoding
P3P
CP="NOI DEVo TAIa OUR BUS"
Cache-Control
private, no-cache, no-store, proxy-revalidate
Connection
keep-alive
Content-Type
application/x-javascript; charset=utf-8
Content-Length
255
Expires
0
show_ads.js
pagead2.googlesyndication.com/pagead/ Frame 860A
53 KB
20 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/show_ads.js
Requested by
Host: s.tribalfusion.com
URL: https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intl_btf2&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=aWmneM0WrKmHau5A3P5sraXUUVR91ErZa&a=1&adContainerId=richmedia_2&rnd=17739478
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
d118011799f761b3f21aa123dac819c146c113561a2443837acfb6426450c03f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
20547
x-xss-protection
1; mode=block
server
cafe
etag
7752036501050322788
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
show_ads.js
pagead2.googlesyndication.com/pagead/ Frame 2F53
53 KB
20 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/show_ads.js
Requested by
Host: s.tribalfusion.com
URL: https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=index_intl&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=a5mneMTWb7YFQaYrFg0aip4VUsR91eDm&a=3&adContainerId=richmedia_4&rnd=17740930
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
d118011799f761b3f21aa123dac819c146c113561a2443837acfb6426450c03f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
20547
x-xss-protection
1; mode=block
server
cafe
etag
7752036501050322788
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
integrator.js
adservice.google.de/adsid/ Frame 2F53
109 B
171 B
Script
General
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:818::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
integrator.js
adservice.google.com/adsid/ Frame 2F53
109 B
171 B
Script
General
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81d::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
ca-pub-0081271244777268.js
pagead2.googlesyndication.com/pub-config/r20160913/ Frame 2F53
68 B
175 B
Script
General
Full URL
https://pagead2.googlesyndication.com/pub-config/r20160913/ca-pub-0081271244777268.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
8ba131a677ea1357ae7fdc95d6a5c67c3b02d171bb286f6c9ec6bce3cef5c211
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 10:51:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
age
7503
content-type
text/javascript
status
200
cache-control
public, max-age=43200
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
88
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 22:51:51 GMT
show_ads_impl.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 4B99
196 KB
73 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
41493b348fa58a7336470f75b078d7112cabeb329f1c695338ac0ecdd0da5651
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
74347
x-xss-protection
1; mode=block
server
cafe
etag
666384049943747943
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=1209600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
p.media
s.tribalfusion.com/ Frame 186C
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aImSwYTTvlQE3HSs7ARFivSdUkWGQS5U6ooWapXEex3WrZaQcjZa5mrJpHZaoUWQ80r7aYFJ90EyORrQFWUY4WdQTnr7oPbbN1Tvy4aUf5q7XoTBDYbjaWWBXmmfKpGvpmtnJ5TFe3Wmr3AZbZdmUfZdYsfRXcM11sBNmaB43FFVTFfZcWm7WREQ5PVvpSd7r1dbuV6Qv3Vv5XrQKTmqq2PZbS6lZd984&mediaDataID=6546596&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
3
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
290
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame A9EE
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aJmSwYScMMQdBOYHnxWPnp3snWYrrJU6ip263aPPMC3d3y0tYAmd6y4AUW4Vj9VsBdWsj8RmZbmUt3UWrb32rExVq3mVaBlSEMFRcQZdQbupPH3bWVfS5F2xmWqq0qmw4WMZdSVMF4PJZamdirUt36YUfcXU7k1TZaoSUnZbUFBYTtQWmFQuRUFpXaMp3E7a4qMRmTJCXUj9Ud7QmAnZdpG7BhfVrrE&mediaDataID=7665496&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
3
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
178
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame C326
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aKmSwY1Ery5EJi4qjQnqfIXFF6THrTnPfIpsnsotfB2q383WeN4AFImUnKYcfS1sZb20Vfnnqn23F3TTFfDVPvWQEUXQsQMSdfr0HvrWmbv4sQ2YFFJUPPw46Zb9R6bD4dUOXHJJnH2v36rP4V77UVJbVcFlS6MMTWM3UbM05bEuWEjwTTraPErZbQGbCPbavRHUcVs3U4byomdin0qeI8pJvu5&mediaDataID=4056396&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
3
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
195
Expires
0
Connection
keep-alive
truncated
/ Frame 2F53
214 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
5decdf40db0f16bd0f19534498853dc85c7eb952a67a9600faf750d64d994c1f

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
integrator.js
adservice.google.de/adsid/ Frame 860A
109 B
171 B
Script
General
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:818::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
integrator.js
adservice.google.com/adsid/ Frame 860A
109 B
171 B
Script
General
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81d::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
ca-pub-0081271244777268.js
pagead2.googlesyndication.com/pub-config/r20160913/ Frame 860A
68 B
145 B
Script
General
Full URL
https://pagead2.googlesyndication.com/pub-config/r20160913/ca-pub-0081271244777268.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
8ba131a677ea1357ae7fdc95d6a5c67c3b02d171bb286f6c9ec6bce3cef5c211
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 10:51:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
age
7503
content-type
text/javascript
status
200
cache-control
public, max-age=43200
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
88
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 22:51:51 GMT
p.media
s.tribalfusion.com/ Frame AEE4
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aTmSwY4WMO0H3CntIw56UY4VYcUGQ7VsMhP6UNUWFUUr735UEuVqQtWq37PTBZaQGYIPbevRdfkWGMW2FusntiyYqXv4W3ZdSVJZa5AJKptXsVWj6XrM7XUb90TqsPbQEWbYSTdB4mUQmRUBtXaJt4aUi5aY5naFHXFjfUWMRoAnBns7vmH3H3EQ93tEN5PbGnrQZcYcQPYGY50G7OpTvbaaU1F3&mediaDataID=6530936&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
3
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
234
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 34DA
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aUmSoX5EM75dIm3mJInUbKYcnRYGMXXGjonTJU5UUTVrFZbWP7XQq32QGrmStBtYd7oV6bw4cJ5XF3DT6Xq4ABaQ6bJ3tZbM1dBZdpdey36YY5s39UGQdVVMfPPYoUtQ4UbMR5rInUqnvWq38Sa3KQVBZcQbZasSW39VGbU2Fuxmtqq0qap3tYHPcJF5PJZboWXqUtJcYrndYbZbh0qZaMPcUsiPGgMb&mediaDataID=5436426&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
3
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
263
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 72B3
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aVmSwYSGFZa46QFoH6NUdFhYbQ6XU7e1qqqPUYBUbB1VtU0oFJxQUJmXaQo4qUj2qfXmEjIYU3hUWbPoAnZamVvvpHYD5qM75dZaN4mvLmbbZc0GUP1s3X1sFnnavU5U3UTrfZcUPf3Pab0ScvqPWYN0HvmW63N3Gv0YbrDT6im2PUePPMJ4WMm0tQZamHeo5m3Y5sY6UGndWG7hRP3yWdFcduNdxG&mediaDataID=7423766&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
4
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
170
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 83EE
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aWmSwYXWnAntEu5PZbV5VvgUGFaWcBfSAFxWWUQUFMX3bArUErvWTr7PqULRVQLRbmpRWniWsj34UupodioYamm3dUFSsvZa26rHpWXnUHQ70bUbXbUi0EIMRUJGWUY0THQWobYoPrrr1Enr4qYl5T70nTFFXFjcTtFXmPfLpGvwotfK5Evi5Hiq4AZbGnbvEXG3PXGM20cbunT7P5UFd9mER5w&mediaDataID=6680176&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
4
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
198
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 27B3
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=aYmSwY2mvHotArUtZbdYrMkXrQiXqetSrJEWbQ5VHJ5mrZbsRbjNXEvo4qBg5E71oErCYbFfUdr0mPnJpGvtpWnK2EMh5diN3PFGmFbJYVfP1cv31GfymaF43bFWTFfHUmvTRTjXQGZbsSt7y0WrpWPbx3svXYbrZaUATw4AZb8R6bK2dZbyXWrDnWiM4ArY5cngTcMdVGFeRmYxUd3SWrMhapa6Le&mediaDataID=6807466&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
4
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
253
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 1BEF
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=a0mSwYpdio5mYS4VvdUV3jVGnlRmvMTtFTWFj23U2mWqnqTaQlPTMLRsFZaQrumPWfcWGr54bevmtit0qmN3tMZaPGFG26QHmtayUdQcYrfa1Ube1qZapRFrZbUbBXTtQ4oFJxRFMtYaFt3T7j5EjYnaMAXrjaTtFWnmQBnV7mmHnJ3qZb85tEo5PnKmFQEXVr0Ycn21cBxnqbW3U3RTFnr9hk3jj&mediaDataID=6719746&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
4
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
322
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 4EBF
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=a1mSwY3AJGnbnKYG3UXsQVXs7yma7Q2FFUTr7CWm72PEv2SVUMPtfx0WjsW6bw4cJ5XF3DTPau4AU6R6bH3HUy1WnKptIo3mMY4GjdUsJdUcBgR6vMUHv3UFM15bEnUErvTEBcQqBZcQVbLQUqoSt7aVV3R5rXqnWZaOXaev4dMZdQsrZd2mFZaodPoUtbhXrrkYUjf1EZatRFUEUUY3TtJil6emxE&mediaDataID=8039566&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
4
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
261
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 7B78
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=a2mSoXmdeyVHfaYUvdYrYj1quoPrrDWUUPVtv2orBpPbBMYTFm4ajf4EY5oTfK1bZb9UHMQoP7LnVnwoW3H3TBj2tey5AvEmFbL0G3T1c3V0GJunEB22bFWTFjZcWPrWPTbSSsYqStJr0WjrTPvy4sQYYFvZaU6Pr5AZb8R6bK2HZbqXWZbAmt6v4AMU4Vj6TVJbVGblSA3xUWQUUbFP5cADiXPDxk&mediaDataID=5406476&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
5
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
270
Expires
0
Connection
keep-alive
p.media
s.tribalfusion.com/ Frame 7103
0
0
Document
General
Full URL
https://s.tribalfusion.com/p.media?clickID=a3mSwY36nY5cnfTsFaWGf8SmMmWtrUTbMY5UZaqWEjnVTU8SaYFRVjZaQUitSd7bUGjU4UmxmHyMXamx4dMCPVjZd5mvZbmtayVHjhYUf9XFYfXaaOPrnDUbMSVHJ2orJoRbjN1TZbr5qUl2aU1nqnDXFU7THFUnmQZcmsYwoWfD5EU73HmM3AZbJmbrZc0V30YsYV0GZbxmqBT3rYUVFfAUA7lf3csZaC&mediaDataID=6453196&mediaName=frame.html
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/topic/information-system
Protocol
HTTP/1.1
Security
TLS 1.2, RSA, AES_128_GCM
Server
204.11.109.67 Emeryville, United States, ASN33419 (TRIBAL-FUSION - Exponential Interactive, Inc., US),
Reverse DNS
a.tribalfusion.com
Software
/
Resource Hash

Request headers

Host
s.tribalfusion.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://www.britannica.com/topic/information-system
Accept-Encoding
gzip, deflate
Cookie
ANON_ID=aknsAGtlixvRqyTAZbCqrlxN03LnlJasgZbMjdbPYGH92EZd6yhctOv4NAMb1vn6xrbECUoxfvVvxXbWsvqmA0T
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

P3P
CP="NOI DEVo TAIa OUR BUS"
X-Function
102
X-Reuse-Index
5
Pragma
no-cache
Cache-Control
private, no-cache, no-store, proxy-revalidate
Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Length
201
Expires
0
Connection
keep-alive
truncated
/ Frame 860A
215 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
556746fdb1908d1fcfd7bf8cb656ee78b631db6acb439bb444397cfb06d045c9

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
show_ads.js
pagead2.googlesyndication.com/pagead/ Frame 7F40
53 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/show_ads.js
Requested by
Host: s.tribalfusion.com
URL: https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intlatf&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=aRmneMoH3D2arh3Wit5A7IMGvOR91kLl&a=5&adContainerId=richmedia_6&rnd=17747102
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
d118011799f761b3f21aa123dac819c146c113561a2443837acfb6426450c03f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
20547
x-xss-protection
1; mode=block
server
cafe
etag
7752036501050322788
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
integrator.js
adservice.google.de/adsid/ Frame 7F40
109 B
171 B
Script
General
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:818::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
integrator.js
adservice.google.com/adsid/ Frame 7F40
109 B
171 B
Script
General
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81d::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
ca-pub-0081271244777268.js
pagead2.googlesyndication.com/pub-config/r20160913/ Frame 7F40
68 B
145 B
Script
General
Full URL
https://pagead2.googlesyndication.com/pub-config/r20160913/ca-pub-0081271244777268.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
8ba131a677ea1357ae7fdc95d6a5c67c3b02d171bb286f6c9ec6bce3cef5c211
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 10:51:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
age
7503
content-type
text/javascript
status
200
cache-control
public, max-age=43200
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
88
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 22:51:51 GMT
truncated
/ Frame 7F40
211 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
28c14a1f8ba05498e638c24f58ef146bbf75b91025b24f3aeebecfa19d2bd0a6

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
show_ads.js
pagead2.googlesyndication.com/pagead/ Frame 0DC7
53 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/show_ads.js
Requested by
Host: s.tribalfusion.com
URL: https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intl_btf2&center=1&env=display&size=728x90&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=aXmneM3tEq46BZanUvZbXGnTUUYjR91Zb2P&a=7&adContainerId=richmedia_8&rnd=17745663
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
d118011799f761b3f21aa123dac819c146c113561a2443837acfb6426450c03f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
20547
x-xss-protection
1; mode=block
server
cafe
etag
7752036501050322788
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
integrator.js
adservice.google.de/adsid/ Frame 0DC7
109 B
171 B
Script
General
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:818::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
integrator.js
adservice.google.com/adsid/ Frame 0DC7
109 B
171 B
Script
General
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81d::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
ca-pub-0081271244777268.js
pagead2.googlesyndication.com/pub-config/r20160913/ Frame 0DC7
68 B
145 B
Script
General
Full URL
https://pagead2.googlesyndication.com/pub-config/r20160913/ca-pub-0081271244777268.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
8ba131a677ea1357ae7fdc95d6a5c67c3b02d171bb286f6c9ec6bce3cef5c211
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 10:51:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
age
7503
content-type
text/javascript
status
200
cache-control
public, max-age=43200
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
88
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 22:51:51 GMT
truncated
/ Frame 0DC7
215 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
798cb29c5fac87736852e228a999650eaedd8c677716d33fd7e03e085aa56dd4

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
show_ads.js
pagead2.googlesyndication.com/pagead/ Frame B9FB
53 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/show_ads.js
Requested by
Host: s.tribalfusion.com
URL: https://s.tribalfusion.com/j.ad?flashVer=0&ver=1.28&th=7415410238&tagKey=3415125809&site=britannicacom&adSpace=intlbtf&center=1&env=display&size=300x250&busted=1&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&f=1&p=17743380&tKey=a3mneM56rS4VU6TGUaWcbi49YJR91URM&a=9&adContainerId=richmedia_10&rnd=17743044
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
d118011799f761b3f21aa123dac819c146c113561a2443837acfb6426450c03f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
20547
x-xss-protection
1; mode=block
server
cafe
etag
7752036501050322788
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
integrator.js
adservice.google.de/adsid/ Frame B9FB
109 B
171 B
Script
General
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:818::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
integrator.js
adservice.google.com/adsid/ Frame B9FB
109 B
171 B
Script
General
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.britannica.com
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81d::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
0482a98d09daebc18a0d2e1ed8f748da5b0179e61223ed541101df1f4699f073
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
status
200
cache-control
private, no-cache, no-store
content-disposition
attachment; filename="f.txt"
content-type
application/javascript; charset=UTF-8
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
104
x-xss-protection
1; mode=block
ca-pub-0081271244777268.js
pagead2.googlesyndication.com/pub-config/r20160913/ Frame B9FB
68 B
145 B
Script
General
Full URL
https://pagead2.googlesyndication.com/pub-config/r20160913/ca-pub-0081271244777268.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
8ba131a677ea1357ae7fdc95d6a5c67c3b02d171bb286f6c9ec6bce3cef5c211
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Oct 2018 10:51:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
age
7503
content-type
text/javascript
status
200
cache-control
public, max-age=43200
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
88
x-xss-protection
1; mode=block
expires
Thu, 04 Oct 2018 22:51:51 GMT
truncated
/ Frame B9FB
216 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
a22772f92f6e3ea334528da48c61cd2df8e5932858941b2020b930280792435d

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
supply
yield-manager.browsiprod.com/events/
0
103 B
XHR
General
Full URL
https://yield-manager.browsiprod.com/events/supply?p=e0cabf03-5833-4710-8368-caccd70579e2
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/sd/apps/middy/middy-desktop-1.5.1.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
54.213.225.123 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-54-213-225-123.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

status
204
date
Thu, 04 Oct 2018 12:56:55 GMT
access-control-allow-credentials
true
access-control-allow-origin
https://www.britannica.com
supply
yield-manager.browsiprod.com/events/
0
103 B
XHR
General
Full URL
https://yield-manager.browsiprod.com/events/supply?p=e0cabf03-5833-4710-8368-caccd70579e2
Requested by
Host: middycdn-a.akamaihd.net
URL: https://middycdn-a.akamaihd.net/sd/apps/middy/middy-desktop-1.5.1.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
54.213.225.123 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-54-213-225-123.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/topic/information-system
Origin
https://www.britannica.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

status
204
date
Thu, 04 Oct 2018 12:56:55 GMT
access-control-allow-credentials
true
access-control-allow-origin
https://www.britannica.com
ads
googleads.g.doubleclick.net/pagead/ Frame A5EA
0
0
Document
General
Full URL
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=7248794515&adk=317905789&adf=2638734739&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814650&bpp=25&bdt=2913&fdt=26&idt=405&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=2&ga_vid=1001804906.1538657815&ga_sid=1538657815&ga_hid=181315744&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=3418&biw=1585&bih=1200&isw=300&ish=250&ifk=1342564802&scr_x=0&scr_y=0&eid=21060853%2C21061795&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=92851060&ifi=1&fsb=1&dtd=424
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
googleads.g.doubleclick.net
:scheme
https
:path
/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=7248794515&adk=317905789&adf=2638734739&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814650&bpp=25&bdt=2913&fdt=26&idt=405&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=2&ga_vid=1001804906.1538657815&ga_sid=1538657815&ga_hid=181315744&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=3418&biw=1585&bih=1200&isw=300&ish=250&ifk=1342564802&scr_x=0&scr_y=0&eid=21060853%2C21061795&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=92851060&ifi=1&fsb=1&dtd=424
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
IDE=AHWqTUl-LSSe-DG3csFrZvDiLLFVMmnOk1Q-9ObrObHXAy4guBizAUKiu4rAvfBw
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
timing-allow-origin
*
content-type
text/html; charset=UTF-8
x-content-type-options
nosniff
content-encoding
gzip
date
Thu, 04 Oct 2018 12:56:55 GMT
server
cafe
cache-control
private
content-length
19890
x-xss-protection
1; mode=block
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
osd.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 2F53
73 KB
27 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/osd.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
529c1cbb7d45d75e314a6a272b60becbe6292596f223aaa5031bfee18e5de18c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Tue, 02 Oct 2018 12:23:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
174803
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27075
x-xss-protection
1; mode=block
server
cafe
etag
4419814973199397027
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 12:23:32 GMT
show_ads_impl.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 2AE7
196 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
41493b348fa58a7336470f75b078d7112cabeb329f1c695338ac0ecdd0da5651
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
74347
x-xss-protection
1; mode=block
server
cafe
etag
666384049943747943
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=1209600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
ads
googleads.g.doubleclick.net/pagead/ Frame D517
0
0
Document
General
Full URL
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=1764970917&adk=1135210636&adf=2260553169&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814691&bpp=9&bdt=2955&fdt=416&idt=418&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1447286292.1538657815&ga_sid=1538657815&ga_hid=1793972066&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=2710&biw=1585&bih=1200&isw=300&ish=250&ifk=511912219&scr_x=0&scr_y=0&eid=21060853&oid=2&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=259059923&ifi=1&fsb=1&dtd=425
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
googleads.g.doubleclick.net
:scheme
https
:path
/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=1764970917&adk=1135210636&adf=2260553169&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814691&bpp=9&bdt=2955&fdt=416&idt=418&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1447286292.1538657815&ga_sid=1538657815&ga_hid=1793972066&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=2710&biw=1585&bih=1200&isw=300&ish=250&ifk=511912219&scr_x=0&scr_y=0&eid=21060853&oid=2&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=259059923&ifi=1&fsb=1&dtd=425
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
IDE=AHWqTUl-LSSe-DG3csFrZvDiLLFVMmnOk1Q-9ObrObHXAy4guBizAUKiu4rAvfBw
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
timing-allow-origin
*
content-type
text/html; charset=UTF-8
x-content-type-options
nosniff
content-encoding
gzip
date
Thu, 04 Oct 2018 12:56:55 GMT
server
cafe
cache-control
private
content-length
19232
x-xss-protection
1; mode=block
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
osd.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 860A
73 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/osd.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
529c1cbb7d45d75e314a6a272b60becbe6292596f223aaa5031bfee18e5de18c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Tue, 02 Oct 2018 12:23:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
174803
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27075
x-xss-protection
1; mode=block
server
cafe
etag
4419814973199397027
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 12:23:32 GMT
show_ads_impl.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame F17E
196 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
41493b348fa58a7336470f75b078d7112cabeb329f1c695338ac0ecdd0da5651
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
74347
x-xss-protection
1; mode=block
server
cafe
etag
666384049943747943
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=1209600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
ads
googleads.g.doubleclick.net/pagead/ Frame BE8C
0
0
Document
General
Full URL
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=4633372911&adk=4277038444&adf=59502239&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814831&bpp=46&bdt=3086&fdt=339&idt=340&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=212484014.1538657815&ga_sid=1538657815&ga_hid=253075280&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=432&biw=1585&bih=1200&isw=300&ish=250&ifk=3376168790&scr_x=0&scr_y=0&eid=21060853&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeE%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=1717443543&ifi=1&fsb=1&dtd=345
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
googleads.g.doubleclick.net
:scheme
https
:path
/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=4633372911&adk=4277038444&adf=59502239&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814831&bpp=46&bdt=3086&fdt=339&idt=340&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=212484014.1538657815&ga_sid=1538657815&ga_hid=253075280&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=432&biw=1585&bih=1200&isw=300&ish=250&ifk=3376168790&scr_x=0&scr_y=0&eid=21060853&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeE%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=1717443543&ifi=1&fsb=1&dtd=345
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
IDE=AHWqTUl-LSSe-DG3csFrZvDiLLFVMmnOk1Q-9ObrObHXAy4guBizAUKiu4rAvfBw
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
timing-allow-origin
*
content-type
text/html; charset=UTF-8
x-content-type-options
nosniff
content-encoding
gzip
date
Thu, 04 Oct 2018 12:56:55 GMT
server
cafe
cache-control
private
content-length
20846
x-xss-protection
1; mode=block
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
osd.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 7F40
73 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/osd.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
529c1cbb7d45d75e314a6a272b60becbe6292596f223aaa5031bfee18e5de18c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Tue, 02 Oct 2018 12:23:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
174803
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27075
x-xss-protection
1; mode=block
server
cafe
etag
4419814973199397027
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 12:23:32 GMT
show_ads_impl.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 9830
196 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
41493b348fa58a7336470f75b078d7112cabeb329f1c695338ac0ecdd0da5651
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
74347
x-xss-protection
1; mode=block
server
cafe
etag
666384049943747943
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=1209600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
ads
googleads.g.doubleclick.net/pagead/ Frame 4597
0
0
Document
General
Full URL
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=90&slotname=9203173311&adk=2521100404&adf=517648723&w=728&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814898&bpp=30&bdt=3160&fdt=307&idt=308&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1141385331.1538657815&ga_sid=1538657815&ga_hid=1706488031&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=579&ady=8725&biw=1585&bih=1200&isw=728&ish=90&ifk=684105145&scr_x=0&scr_y=0&eid=21060853&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C728%2C90&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=1913082611&ifi=1&fsb=1&dtd=346
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
googleads.g.doubleclick.net
:scheme
https
:path
/pagead/ads?client=ca-pub-0081271244777268&output=html&h=90&slotname=9203173311&adk=2521100404&adf=517648723&w=728&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814898&bpp=30&bdt=3160&fdt=307&idt=308&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1141385331.1538657815&ga_sid=1538657815&ga_hid=1706488031&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=579&ady=8725&biw=1585&bih=1200&isw=728&ish=90&ifk=684105145&scr_x=0&scr_y=0&eid=21060853&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C728%2C90&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=1913082611&ifi=1&fsb=1&dtd=346
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
IDE=AHWqTUl-LSSe-DG3csFrZvDiLLFVMmnOk1Q-9ObrObHXAy4guBizAUKiu4rAvfBw
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
timing-allow-origin
*
content-type
text/html; charset=UTF-8
x-content-type-options
nosniff
content-encoding
gzip
date
Thu, 04 Oct 2018 12:56:55 GMT
server
cafe
cache-control
private
content-length
20746
x-xss-protection
1; mode=block
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
osd.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 0DC7
73 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/osd.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
529c1cbb7d45d75e314a6a272b60becbe6292596f223aaa5031bfee18e5de18c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Tue, 02 Oct 2018 12:23:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
174803
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27075
x-xss-protection
1; mode=block
server
cafe
etag
4419814973199397027
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 12:23:32 GMT
show_ads_impl.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame 3A3F
196 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/show_ads.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
41493b348fa58a7336470f75b078d7112cabeb329f1c695338ac0ecdd0da5651
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Thu, 04 Oct 2018 12:56:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
74347
x-xss-protection
1; mode=block
server
cafe
etag
666384049943747943
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=1209600
timing-allow-origin
*
expires
Thu, 04 Oct 2018 12:56:54 GMT
ads
googleads.g.doubleclick.net/pagead/ Frame 584A
0
0
Document
General
Full URL
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=2791759315&adk=423231831&adf=832337233&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814940&bpp=24&bdt=3192&fdt=437&idt=439&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1542145864.1538657815&ga_sid=1538657815&ga_hid=1113099298&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=1886&biw=1585&bih=1200&isw=300&ish=250&ifk=1037594745&scr_x=0&scr_y=0&eid=21060853%2C21070024%2C188690903&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=2224538688&ifi=1&fsb=1&dtd=452
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:825::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
googleads.g.doubleclick.net
:scheme
https
:path
/pagead/ads?client=ca-pub-0081271244777268&output=html&h=250&slotname=2791759315&adk=423231831&adf=832337233&w=300&guci=1.2.0.0.2.2.0&url=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&ea=0&flash=0&wgl=1&adsid=NT&dt=1538657814940&bpp=24&bdt=3192&fdt=437&idt=439&shv=r20181001&cbv=r20180604&saldr=sa&correlator=6050204982770&frm=23&ife=4&pv=1&ga_vid=1542145864.1538657815&ga_sid=1538657815&ga_hid=1113099298&ga_fc=0&iag=3&icsg=43354&nhd=1&dssz=15&mdo=0&mso=1088&u_tz=0&u_his=3&u_java=0&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug=0&u_nmime=0&adx=1255&ady=1886&biw=1585&bih=1200&isw=300&ish=250&ifk=1037594745&scr_x=0&scr_y=0&eid=21060853%2C21070024%2C188690903&oid=3&rx=0&eae=2&fc=528&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C300%2C250&vis=1&rsz=o%7Co%7CoeEbr%7C&abl=NS&ppjl=u&pfx=0&fu=1044&bc=7&osw_key=2224538688&ifi=1&fsb=1&dtd=452
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
referer
https://www.britannica.com/topic/information-system
accept-encoding
gzip, deflate
cookie
IDE=AHWqTUl-LSSe-DG3csFrZvDiLLFVMmnOk1Q-9ObrObHXAy4guBizAUKiu4rAvfBw
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://www.britannica.com/topic/information-system

Response headers

status
200
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
timing-allow-origin
*
content-type
text/html; charset=UTF-8
x-content-type-options
nosniff
content-encoding
gzip
date
Thu, 04 Oct 2018 12:56:55 GMT
server
cafe
cache-control
private
content-length
386
x-xss-protection
1; mode=block
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
osd.js
pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/ Frame B9FB
73 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/osd.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/r20181001/r20180604/show_ads_impl.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
529c1cbb7d45d75e314a6a272b60becbe6292596f223aaa5031bfee18e5de18c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Response headers

date
Tue, 02 Oct 2018 12:23:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
174803
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
content-disposition
attachment; filename="f.txt"
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
27075
x-xss-protection
1; mode=block
server
cafe
etag
4419814973199397027
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Tue, 16 Oct 2018 12:23:32 GMT
activeview
pagead2.googlesyndication.com/pcs/ Frame 7F40
42 B
110 B
Image
General
Full URL
https://pagead2.googlesyndication.com/pcs/activeview?xai=AKAOjsuXsSMuKz3xRUCgxUUQN1DDlXEOUvU8g7TG5dNmSQE907t_IY5O1pZC_dqsOInmRkZy5hDFna7fLZrKW-t6TOhTl0Ao7RBrvK0&sig=Cg0ArKJSzFH6MN761e1wEAE&adk=3270541469&tt=3485&bs=1585%2C1200&mtos=1057,1057,1057,1057,1057&tos=1057,0,0,0,0&p=432,1255,682,1555&mms=1&mcvt=1057&rs=3&ht=0&tfs=2447&tls=3504&mc=1&lte=1&bas=0&bac=0&avms=geo&rst=1538657812410&rpt=2584&ps=1587%2C9742&ss=1600%2C1200&pt=20&deb=1-10-10-38-35-21-133-25&tvt=3492&r=v&id=osdim&uc=11&tgt=DIV&cl=1&cec=8&clc=1&cac=0&cd=300x254&v=r20181001
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/topic/information-system
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 04 Oct 2018 12:56:56 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
status
200
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
access-control-allow-origin
*
cache-control
no-cache, must-revalidate
content-type
image/gif
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
42
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
track.adtrue.com
URL
https://track.adtrue.com/track/request?pzoneid=9171&domain=britannica.com&ref=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&loc=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system

Verdicts & Comments Add Verdict or Comment

92 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| $UI object| Mendel object| DigiTrust object| DigiTrustCrypto undefined| a undefined| c object| consentString function| __cmp object| OneTrust object| Optanon string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer function| OptanonWrapper object| googletag object| Adomik object| googletagSlots object| a9Slots object| p object| apstag object| _0x1802 function| _0x46be object| BT object| googleToken object| googleIMState object| google_js_reporting_queue function| processGoogleToken function| $ function| jQuery undefined| jQuery11120729185164158693_1538657810454 function| jsonFeed object| jQuery11120729185164158693 object| headertag object| Criteo function| headertag_render function| sovrn_render object| pbjs object| rubicontag object| GPT_jstiming object| closure_memoize_cache_ undefined| google_measure_js_timing boolean| google_noFetch boolean| google_DisableInitialLoad number| __google_ad_urls_id object| jwDefaults object| webpackJsonpjwplayer function| jwplayer object| $jscomp boolean| browsi_bootstrap_loaded function| MFfKoQ_ZHcNCzquLwyUw string| documentLocation string| GoogleAnalyticsObject function| ga object| EBStat object| criteo_pubtag object| google_tag_data object| gaplugins object| sa object| gaGlobal string| btID object| gaData object| google_tag_manager object| FontAwesomeConfig object| ___FONT_AWESOME___ function| Wookmark number| google_unique_id object| _middyo object| __browsi_bootstrap function| Goog_AdSense_getAdAdapterInstance function| Goog_AdSense_OsdAdapter object| adblockDetector function|  object| ampInaboxIframes object| ampInaboxPendingMessages object| __google_ad_urls boolean| google_osd_loaded boolean| google_onload_fired object| AMP_CONFIG object| log object| AMPErrors boolean| ampInaboxInitialized object| AMP_MODE function| reportError object| AMP function| Goog_Osd_UnloadAdBlock function| Goog_Osd_UpdateElementToMeasure function| google_osd_amcb object| e9PageData object| google_reactive_ads_global_state object| google_jobrunner number| google_global_correlator object| google_prev_clients

19 Cookies

Domain/Path Name / Value
.openx.net/ Name: pd
Value: v2|1538657811|mOsLgqgikin0fcmWiygu
.britannica.com/ Name: eupubconsent
Value: BAAAAAAOVHIzLAcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw
.openx.net/ Name: i
Value: 7857e7fc-e87d-0e17-37e9-62fb32290120|1538657811
.britannica.com/ Name: OptanonConsent
Value: landingPath=https%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system&datestamp=Thu+Oct+04+2018+12%3A56%3A52+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25&EuOnly=true&groups=1%3A1%2C104%3A1%2C2%3A1%2C101%3A1%2C3%3A1%2C4%3A1%2C110%3A1%2C107%3A1%2C117%3A1%2C0_140718%3A1%2C0_140762%3A1%2C0_140727%3A1%2C0_140726%3A1
www.britannica.com/ Name: __browsiUID
Value: b1d960fe-02c1-4440-b259-d8753a963473%26%7B%22bt%22%3A%22Browser%22%2C%22os%22%3A%22macOS%22%2C%22osv%22%3A%2210.13.5%22%2C%22m%22%3A%22Macintosh%22%2C%22v%22%3A%22Apple%22%2C%22b%22%3A%22Chrome%22%2C%22p%22%3A2%7D
.britannica.com/ Name: SessionAuth
Value: "5RT/9w4lzxnRnI9FXp+WVOcWYY4SLUx1fTMZY4uIiFVzTH2SkTS5cg=="
.britannica.com/ Name: _gat
Value: 1
.britannica.com/ Name: _gid
Value: GA1.2.817855613.1538657811
www.britannica.com/ Name: __browsiSessionID
Value: b18789c7-b239-4043-be78-cb3a91d396ab%26false%26false%26DEFAULT%26de%26desktop-1.5.1%26false
www.britannica.com/ Name: DigiTrust.v1.identity
Value: 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%3D
.consensu.org/ Name: euconsent
Value: BAAAAAAOVHIy7AcABBENBl-AAAAhGAWAAyAAEADAADYAQAAUADQALYARQASABRACYAFIAFQAhAAvgCQAFbALcAOgBHQCUAEAApoBZw
.britannica.com/ Name: _ga
Value: GA1.2.257465993.1538657811
.britannica.com/ Name: __mendel
Value: %7B%22articleCatfishShown%22%3Atrue%2C%22demystifiedNewsletterShown%22%3Afalse%2C%22pagesViewed%22%3A1%2C%22surveyShown%22%3Afalse%7D
.britannica.com/ Name: __vrz
Value: 1.9.5
.britannica.com/ Name: webstats
Value: "referer_page=http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system|referer_page_type=LARGE_PAGINATED"
.digitru.st/ Name: DigiTrust.v1.identity
Value: eyJpZCI6Im1wbXVHbHlQL3VnPSIsInZlcnNpb24iOjIsInByb2R1Y2VyIjoiMUNyc2RVTkFvNiIsInByaXZhY3kiOnsib3B0b3V0IjpmYWxzZX19
.britannica.com/ Name: subreturn
Value: http%3A%2F%2Fwww.britannica.com%2Ftopic%2Finformation-system
.britannica.com/ Name: __beaconTrackerID
Value: xijsvd66f
.britannica.com/ Name: bcomID
Value: -3003331428633776050

5 Console Messages

Source Level URL
Text
console-api log URL: https://eb-com.videoplayerhub.com/videoplayer.js(Line 1)
Message:
Video gallery initializing
console-api info URL: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js(Line 538)
Message:
Powered by AMP ⚡ HTML – Version 1810021759000
console-api error URL: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js(Line 102)
Message:
localStorage not supported.
console-api info URL: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js(Line 538)
Message:
Powered by AMP ⚡ HTML – Version 1810021759000
console-api error URL: https://cdn.ampproject.org/rtv/011810021759000/amp4ads-v0.js(Line 102)
Message:
localStorage not supported.

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

aax.amazon-adsystem.com
ad-delivery.net
ads.pubmatic.com
adserver-us.adtech.advertising.com
adservice.google.com
adservice.google.de
ajax.googleapis.com
aktrack.pubmatic.com
amp-error-reporting.appspot.com
ap.lijit.com
as-sec.casalemedia.com
bidder.criteo.com
c.amazon-adsystem.com
cas.criteo.com
cat.fr.eu.criteo.com
cdn.adtrue.com
cdn.ampproject.org
cdn.britannica.com
cdn.cookielaw.org
cdn.digitru.st
cluster-eu.cdnjquery.com
content.jwplatform.com
cookies.onetrust.mgr.consensu.org
eb-com.videoplayerhub.com
eu-u.openx.net
events.browsiprod.com
exchange.adtrue.com
fastlane.rubiconproject.com
fonts.googleapis.com
fonts.gstatic.com
geolocation.onetrust.com
googleads.g.doubleclick.net
gum.criteo.com
js-sec.indexww.com
merriamwebster-d.openx.net
middycdn-a.akamaihd.net
pagead2.googlesyndication.com
s.tribalfusion.com
safe.britannica.com
secure.adnxs.com
securepubads.g.doubleclick.net
sshowads.pubmatic.com
static.criteo.net
stats.g.doubleclick.net
tags.expo9.exponential.com
tpc.googlesyndication.com
track.adtrue.com
web.hb.ad.cpe.dotomi.com
windymed.com
www.britannica.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
www.googletagservices.com
yield-manager.browsiprod.com
track.adtrue.com
13.74.252.44
143.204.212.210
143.204.214.102
143.204.214.43
143.204.214.51
152.195.132.202
152.195.39.114
159.180.84.2
173.241.240.143
173.241.240.220
178.250.0.130
178.250.0.66
178.250.0.71
178.250.2.89
185.33.223.100
198.47.127.32
2.16.186.113
2.16.186.73
2.18.233.180
2.18.234.21
204.11.109.67
204.11.109.77
208.185.238.80
208.185.238.81
213.19.162.41
216.58.210.2
23.211.2.27
2400:cb00:2048:1::6814:326f
2600:9000:2047:6c00:17:74f7:b380:93a1
2600:9000:2047:be00:1:a3fa:7cc0:93a1
2606:2800:233:e50:1eb4:1000:1d3b:1502
2a00:1450:4001:810::2002
2a00:1450:4001:814::2002
2a00:1450:4001:816::2001
2a00:1450:4001:816::2003
2a00:1450:4001:816::2004
2a00:1450:4001:816::2008
2a00:1450:4001:816::200a
2a00:1450:4001:816::200e
2a00:1450:4001:818::2002
2a00:1450:4001:81d::2002
2a00:1450:4001:821::2001
2a00:1450:4001:821::2003
2a00:1450:4001:821::2014
2a00:1450:4001:824::200a
2a00:1450:4001:825::2002
2a00:1450:400c:c0c::9b
2a02:2638:1::1
34.217.172.220
38.69.47.80
38.69.47.81
52.72.138.185
52.94.218.7
54.201.57.127
54.213.225.123
63.215.202.75
72.251.249.14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