URL: https://www.britannica.com/science/ecology
Submission: On August 27 via manual from IN

Summary

This website contacted 38 IPs in 6 countries across 33 domains to perform 89 HTTP transactions. The main IP is 104.18.18.221, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.britannica.com.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on April 13th 2021. 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
15 104.18.18.221 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
9 2606:4700::68... 13335 (CLOUDFLAR...)
1 2.18.234.21 16625 (AKAMAI-AS)
2 172.217.18.98 15169 (GOOGLE)
2 13.224.90.44 16509 (AMAZON-02)
1 151.101.1.194 54113 (FASTLY)
1 2606:4700:303... 13335 (CLOUDFLAR...)
1 2600:9000:219... 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700:10:... 13335 (CLOUDFLAR...)
1 2a02:2638::3 44788 (ASN-CRITE...)
1 76.223.111.131 16509 (AMAZON-02)
3 35.190.74.222 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
7 34.96.102.137 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
4 13.224.96.29 16509 (AMAZON-02)
1 2600:9000:215... 16509 (AMAZON-02)
1 40.118.73.208 8075 (MICROSOFT...)
1 2 151.101.14.137 54113 (FASTLY)
1 3.219.22.177 14618 (AMAZON-AES)
1 151.101.12.157 54113 (FASTLY)
2 2a03:2880:f02... 32934 (FACEBOOK)
10 13.224.96.32 16509 (AMAZON-02)
1 34.241.251.11 16509 (AMAZON-02)
4 2a00:1450:400... 15169 (GOOGLE)
2 2a03:2880:f12... 32934 (FACEBOOK)
1 2a00:1450:400... 15169 (GOOGLE)
2 3.234.170.180 14618 (AMAZON-AES)
1 104.244.42.133 13414 (TWITTER)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 34.120.133.55 15169 (GOOGLE)
1 2a02:2638::1c 44788 (ASN-CRITE...)
1 104.244.42.195 13414 (TWITTER)
89 38
Apex Domain
Subdomains
Transfer
29 britannica.com
www.britannica.com
cdn.britannica.com
bc-script.britannica.com
696 KB
9 cookielaw.org
cdn.cookielaw.org
178 KB
7 visualwebsiteoptimizer.com
dev.visualwebsiteoptimizer.com
108 KB
5 google-analytics.com
www.google-analytics.com
20 KB
3 superficialsquare.com
superficialsquare.com
31 KB
3 googletagmanager.com
www.googletagmanager.com
142 KB
3 doubleclick.net
securepubads.g.doubleclick.net
stats.g.doubleclick.net
141 KB
2 blueconic.net
encyclopediabritannica.blueconic.net
2 KB
2 facebook.com
www.facebook.com
233 B
2 facebook.net
connect.facebook.net
113 KB
2 connatix.com
cd.connatix.com
cds.connatix.com
225 KB
2 amazon-adsystem.com
c.amazon-adsystem.com
37 KB
1 twitter.com
analytics.twitter.com
658 B
1 criteo.com
gum.criteo.com
590 B
1 rlcdn.com
api.rlcdn.com
216 B
1 google.de
www.google.de
107 B
1 google.com
www.google.com
119 B
1 t.co
t.co
454 B
1 adsafeprotected.com
static.adsafeprotected.com
258 B
1 ads-twitter.com
static.ads-twitter.com
2 KB
1 eb.com
webstats.eb.com
303 B
1 windows.net
insitez.blob.core.windows.net
489 B
1 cloudfront.net
d2s8wlbatk24s7.cloudfront.net
18 KB
1 gstatic.com
fonts.gstatic.com
108 KB
1 adsrvr.org
match.adsrvr.org
545 B
1 criteo.net
static.criteo.net
39 KB
1 onetrust.com
geolocation.onetrust.com
224 B
1 cloudflareinsights.com
static.cloudflareinsights.com
5 KB
1 jwplatform.com
content.jwplatform.com
39 KB
1 ay.delivery
rzi5r6k8wfmwq9izm.ay.delivery
10 KB
1 fastly.net
includemodal.global.ssl.fastly.net
14 KB
1 indexww.com
js-sec.indexww.com
58 KB
1 googleapis.com
fonts.googleapis.com
474 B
89 33
Domain Requested by
15 www.britannica.com www.britannica.com
static.cloudflareinsights.com
10 bc-script.britannica.com www.googletagmanager.com
bc-script.britannica.com
9 cdn.cookielaw.org www.britannica.com
cdn.cookielaw.org
7 dev.visualwebsiteoptimizer.com www.britannica.com
dev.visualwebsiteoptimizer.com
5 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
4 cdn.britannica.com www.britannica.com
3 superficialsquare.com www.britannica.com
superficialsquare.com
3 www.googletagmanager.com www.britannica.com
www.googletagmanager.com
2 encyclopediabritannica.blueconic.net bc-script.britannica.com
2 www.facebook.com www.britannica.com
connect.facebook.net
2 connect.facebook.net www.britannica.com
connect.facebook.net
2 c.amazon-adsystem.com www.britannica.com
c.amazon-adsystem.com
2 securepubads.g.doubleclick.net www.britannica.com
securepubads.g.doubleclick.net
1 analytics.twitter.com static.ads-twitter.com
1 gum.criteo.com static.criteo.net
1 api.rlcdn.com js-sec.indexww.com
1 www.google.de www.britannica.com
1 www.google.com www.britannica.com
1 stats.g.doubleclick.net www.google-analytics.com
1 t.co www.britannica.com
1 static.adsafeprotected.com www.britannica.com
1 static.ads-twitter.com www.britannica.com
1 webstats.eb.com www.britannica.com
1 cds.connatix.com www.britannica.com
1 cd.connatix.com 1 redirects
1 insitez.blob.core.windows.net www.britannica.com
1 d2s8wlbatk24s7.cloudfront.net includemodal.global.ssl.fastly.net
1 fonts.gstatic.com fonts.googleapis.com
1 match.adsrvr.org js-sec.indexww.com
1 static.criteo.net js-sec.indexww.com
1 geolocation.onetrust.com cdn.cookielaw.org
1 static.cloudflareinsights.com www.britannica.com
1 content.jwplatform.com www.britannica.com
1 rzi5r6k8wfmwq9izm.ay.delivery www.britannica.com
1 includemodal.global.ssl.fastly.net www.britannica.com
1 js-sec.indexww.com www.britannica.com
1 fonts.googleapis.com www.britannica.com
89 37
Subject Issuer Validity Valid
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2021-04-13 -
2022-04-12
a year crt.sh
upload.video.google.com
GTS CA 1O1
2021-07-26 -
2021-10-18
3 months crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3
2021-06-01 -
2022-05-31
a year crt.sh
san.casalemedia.com
GeoTrust RSA CA 2018
2021-02-05 -
2022-02-09
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2021-07-26 -
2021-10-18
3 months crt.sh
c.amazon-adsystem.com
Amazon
2021-07-06 -
2022-06-27
a year crt.sh
*.freetls.fastly.net
GlobalSign Atlas R3 DV TLS CA 2020
2021-04-27 -
2022-05-29
a year crt.sh
jwplayer.com
Amazon
2021-01-29 -
2022-02-26
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2021-08-16 -
2021-11-08
3 months crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2021-02-12 -
2022-02-11
a year crt.sh
*.criteo.net
DigiCert TLS Hybrid ECC SHA384 2020 CA1
2021-06-27 -
2021-09-24
3 months crt.sh
*.adsrvr.org
GlobalSign GCC R3 DV TLS CA 2020
2021-03-18 -
2022-04-19
a year crt.sh
superficialsquare.com
R3
2021-08-14 -
2021-11-12
3 months crt.sh
*.visualwebsiteoptimizer.com
Starfield Secure Certificate Authority - G2
2020-06-19 -
2022-07-06
2 years crt.sh
*.gstatic.com
GTS CA 1C3
2021-08-16 -
2021-11-08
3 months crt.sh
cdn.britannica.com
Amazon
2020-11-12 -
2021-12-11
a year crt.sh
*.cloudfront.net
Amazon
2021-03-19 -
2022-03-17
a year crt.sh
*.blob.core.windows.net
Microsoft RSA TLS CA 01
2021-06-02 -
2022-06-02
a year crt.sh
*.connatix.com
Go Daddy Secure Certificate Authority - G2
2020-09-29 -
2021-10-19
a year crt.sh
*.eb.com
Amazon
2020-12-09 -
2022-01-07
a year crt.sh
ads-twitter.com
DigiCert TLS RSA SHA256 2020 CA1
2021-07-21 -
2022-07-26
a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2021-07-20 -
2021-10-18
3 months crt.sh
bc-script.britannica.com
Amazon
2021-06-11 -
2022-07-10
a year crt.sh
static.adsafeprotected.com
Amazon
2021-01-06 -
2022-02-04
a year crt.sh
*.blueconic.net
Thawte TLS RSA CA G1
2019-12-04 -
2022-02-01
2 years crt.sh
t.co
DigiCert TLS RSA SHA256 2020 CA1
2021-02-05 -
2022-02-04
a year crt.sh
www.google.com
GTS CA 1C3
2021-08-16 -
2021-11-08
3 months crt.sh
www.google.de
GTS CA 1C3
2021-07-26 -
2021-10-18
3 months crt.sh
*.rlcdn.com
Sectigo RSA Domain Validation Secure Server CA
2021-02-25 -
2022-03-28
a year crt.sh
*.criteo.com
DigiCert TLS Hybrid ECC SHA384 2020 CA1
2021-06-27 -
2021-09-24
3 months crt.sh
*.twitter.com
DigiCert TLS RSA SHA256 2020 CA1
2021-02-05 -
2022-02-04
a year crt.sh

This page contains 3 frames:

Primary Page: https://www.britannica.com/science/ecology
Frame ID: AA3C930791BF56ABFED9AB390FCB5827
Requests: 87 HTTP requests in this frame

Frame: https://cds.connatix.com/p/127634/connatix.player.dc.js
Frame ID: 85004D331559FB5DF65D8A49A837208A
Requests: 1 HTTP requests in this frame

Frame: https://gum.criteo.com/syncframe?origin=publishertag&topUrl=www.britannica.com&gdpr=1&gdpr_consent=CPLmWGLPLmWGLAcABBENBpCgAAAAAH_AACiQAAAQTAJMNS8gC7EscGTaNKoUQIwrCQ6AUAFFAMLRNYQMrgp2VwEeoIWACE1ARgRAgxBRgwCAAQCAJCIgJADwQCIAiAQAAgBUgIQAEbAILACwMAgAFANCxAigCECQgyOCo5TAgIkWignsrAEou9jTCEMssAKBR_RUYCJQggWBkJCwcxwBICXAAAAA.YAAAD_gAAAAA
Frame ID: BDE3F7E1C6BE7CB9259578534C1ADF6C
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Ecology | BritannicaBack ButtonSearch IconFilter Icon

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /^cloudflare$/i

Page Statistics

89
Requests

100 %
HTTPS

50 %
IPv6

33
Domains

37
Subdomains

38
IPs

6
Countries

1992 kB
Transfer

6904 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 42
  • https://cd.connatix.com/connatix.player.js HTTP 302
  • https://cds.connatix.com/p/127634/connatix.player.dc.js

89 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request ecology
www.britannica.com/science/
79 KB
24 KB
Document
General
Full URL
https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2845b6d443831a5dd7d5bb9def9e077a693324ccc4a948feae89a0ca3a9e59ce
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
www.britannica.com
:scheme
https
:path
/science/ecology
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-type
text/html;charset=UTF-8
vary
Accept-Encoding,User-Agent
x-tserver
ip-10-145-21-115/127.0.1.1
set-cookie
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content-language
en-US
x-wserver
127.0.0.1
x-iset
green
x-xss-protection
1; mode=block
x-permitted-cross-domain-policies
master-only
expect-ct
max-age=604800
cf-cache-status
DYNAMIC
server
cloudflare
cf-ray
6855d48ef8efe68c-LHR
content-encoding
gzip
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
icon
fonts.googleapis.com/
568 B
474 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/icon?family=Material+Icons
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
4650bc273b69bd9e63d1ef0ea2c6b0d39be59ce91ef942898a224546fb6689f4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Fri, 27 Aug 2021 14:01:10 GMT
server
ESF
date
Fri, 27 Aug 2021 14:01:10 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
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 27 Aug 2021 14:01:10 GMT
vendor-bundle.css
www.britannica.com/resources/dist/
174 KB
24 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/dist/vendor-bundle.css?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ebb55e5b22865a4a4033607322f6f49845dcac5d8750526d006e9128900cf60d
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/dist/vendor-bundle.css?v=3.50.89
pragma
no-cache
cookie
bcomID=-5693344796907364945; SessionAuth=HR3WiW4UJbdnSmcPID8JRTa2lCzl66jp2PKy++0rS1V0hB8xaSG4guhTOEpA/NWL; subreturn=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology; webstats="referer_page=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology"; __mendel=%7B%27pagesViewed%27%3A1%2C%27surveyShown%27%3Afalse%7D; JSESSIONID=DF08BF0817780BCA842C3012ED4721AA
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
text/css,*/*;q=0.1
cache-control
no-cache
sec-fetch-dest
style
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
content-length
24738
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:58:14 GMT
server
cloudflare
etag
"2b999-5c70424c15580-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
text/css
accept-ranges
bytes
cf-ray
6855d4909e2253fd-LHR
mendel-css.css
www.britannica.com/resources/dist/
108 KB
23 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/dist/mendel-css.css?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a0e32709e3cc6e801bff772548ee5d31194f348f397f5ecc2aa8445bc3949109
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/dist/mendel-css.css?v=3.50.89
pragma
no-cache
cookie
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accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
text/css,*/*;q=0.1
cache-control
no-cache
sec-fetch-dest
style
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
content-length
23426
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:58:14 GMT
server
cloudflare
etag
"1b0db-5c70424c15580-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
text/css
accept-ranges
bytes
cf-ray
6855d4909e2d53fd-LHR
topic-page.css
www.britannica.com/resources/dist/
5 KB
2 KB
Stylesheet
General
Full URL
https://www.britannica.com/resources/dist/topic-page.css?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
268c1150e3f0d5f6793628fa71d142140cc30373c2aeae7d9a59872c34de4095
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/dist/topic-page.css?v=3.50.89
pragma
no-cache
cookie
bcomID=-5693344796907364945; SessionAuth=HR3WiW4UJbdnSmcPID8JRTa2lCzl66jp2PKy++0rS1V0hB8xaSG4guhTOEpA/NWL; subreturn=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology; webstats="referer_page=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology"; __mendel=%7B%27pagesViewed%27%3A1%2C%27surveyShown%27%3Afalse%7D; JSESSIONID=DF08BF0817780BCA842C3012ED4721AA
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
text/css,*/*;q=0.1
cache-control
no-cache
sec-fetch-dest
style
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
content-length
1587
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:58:14 GMT
server
cloudflare
etag
"1523-5c70424c15580-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
text/css
accept-ranges
bytes
cf-ray
6855d4909e2c53fd-LHR
cmp.stub.js
cdn.cookielaw.org/consent/
906 B
784 B
Script
General
Full URL
https://cdn.cookielaw.org/consent/cmp.stub.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
142c96e3a6e08865a80eb37537f9688fd449c0d9655dabcea8488f0e4844bfd8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
fmld/hbHJY2/VR7APngRag==
age
1710619
vary
Accept-Encoding
x-ms-lease-status
unlocked
last-modified
Wed, 04 Aug 2021 01:50:07 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
048dd963-f01e-0108-44bd-8b85c0000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
max-age=14400
x-ms-version
2009-09-19
cf-ray
6855d4907e154ee0-FRA
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
19 KB
7 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0e45f3b0dad8aa0528790a6dd6dd2831bb8547129bd1320c10fd120118f44616
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
BC5xsXKGgJbQbCzkLNvwBQ==
age
1379394
vary
Accept-Encoding
content-length
6328
x-ms-lease-status
unlocked
last-modified
Wed, 04 Aug 2021 01:49:58 GMT
server
cloudflare
etag
0x8D956EA2A6E73F4
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
b8d637e9-f01e-012a-80bd-8bebf6000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6855d4907e1c4ee0-FRA
expires
Fri, 27 Aug 2021 18:01:10 GMT
iab.js
www.britannica.com/resources/js/
5 KB
2 KB
Script
General
Full URL
https://www.britannica.com/resources/js/iab.js?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
90031310565a2fff6cfa400b125046157509e7c25b823a45449e7c53e15537e8
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/js/iab.js?v=3.50.89
pragma
no-cache
cookie
bcomID=-5693344796907364945; SessionAuth=HR3WiW4UJbdnSmcPID8JRTa2lCzl66jp2PKy++0rS1V0hB8xaSG4guhTOEpA/NWL; subreturn=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology; webstats="referer_page=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology"; __mendel=%7B%27pagesViewed%27%3A1%2C%27surveyShown%27%3Afalse%7D; JSESSIONID=DF08BF0817780BCA842C3012ED4721AA
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
content-length
1601
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:55:44 GMT
server
cloudflare
etag
"12b8-5c7041bd08400-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
application/javascript
accept-ranges
bytes
cf-ray
6855d4909e2753fd-LHR
htw-britannica.js
js-sec.indexww.com/ht/
232 KB
58 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/science/ecology
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2.18.234.21 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS, US),
Reverse DNS
a2-18-234-21.deploy.static.akamaitechnologies.com
Software
Apache /
Resource Hash
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Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Fri, 27 Aug 2021 14:01:11 GMT
Content-Encoding
gzip
Last-Modified
Fri, 27 Aug 2021 14:00:48 GMT
Server
Apache
ETag
"7625f5-3a0e7-5ca8ae913a2a3"
Vary
Accept-Encoding
P3P
policyref="/w3c/p3p.xml", CP="NOI DSP COR DEVa TAIa OUR BUS UNI"
Cache-Control
max-age=3600
Transfer-Encoding
chunked
Connection
keep-alive, Transfer-Encoding
Accept-Ranges
bytes
Content-Type
text/javascript
Expires
Fri, 27 Aug 2021 15:01:11 GMT
gpt.js
securepubads.g.doubleclick.net/tag/js/
71 KB
25 KB
Script
General
Full URL
https://securepubads.g.doubleclick.net/tag/js/gpt.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.18.98 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
zrh04s05-in-f98.1e100.net
Software
sffe /
Resource Hash
84cc69abf9b249cb70d131b2a7bdb0e634a2b08ccab09221e5e90163100e79dd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
etag
"970 / 607 of 1000 / last-modified: 1630062951"
vary
Accept-Encoding
content-type
text/javascript
cache-control
private, max-age=900, stale-while-revalidate=3600
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
25256
x-xss-protection
0
expires
Fri, 27 Aug 2021 14:01:10 GMT
apstag.js
c.amazon-adsystem.com/aax2/
127 KB
34 KB
Script
General
Full URL
https://c.amazon-adsystem.com/aax2/apstag.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.90.44 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-90-44.zrh50.r.cloudfront.net
Software
Server /
Resource Hash
1465ea73b9db4601cda29c323ea3eea1fc28337bd2c5193154c9ecbd7bf38bbb

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:00:07 GMT
content-encoding
gzip
age
63
x-cache
Hit from cloudfront
timing-allow-origin
*
server
Server
x-amz-rid
0THAVEF18531NE7QC3A8
etag
708a268139e52bdfbe59398b3e766151
vary
Accept-Encoding
x-amz-version-id
iCBj9h3R_OzDH4Og0Gd_eqIrtWDOxSOx
via
1.1 cd66c5a89ae3376f15c155e3b52a758d.cloudfront.net (CloudFront)
cache-control
public, max-age=900
x-amz-cf-pop
ZRH50-C1
accept-ranges
bytes
content-type
application/javascript
x-amz-cf-id
w9NqUdfb60FRdr1IX_V_vXQ5wy8wjuha3tIBSQE0oY__KTAS5kMEvw==
mam.js
www.britannica.com/resources/dist/
26 KB
10 KB
Script
General
Full URL
https://www.britannica.com/resources/dist/mam.js?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
51766f3de6499f455f04691ab3cc6859acbcbbdbe238f1326cf4694abdccce25
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/dist/mam.js?v=3.50.89
pragma
no-cache
cookie
bcomID=-5693344796907364945; SessionAuth=HR3WiW4UJbdnSmcPID8JRTa2lCzl66jp2PKy++0rS1V0hB8xaSG4guhTOEpA/NWL; subreturn=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology; webstats="referer_page=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology"; __mendel=%7B%27pagesViewed%27%3A1%2C%27surveyShown%27%3Afalse%7D; JSESSIONID=DF08BF0817780BCA842C3012ED4721AA
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
content-length
9419
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:58:14 GMT
server
cloudflare
etag
"670b-5c70424c15580-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
application/javascript
accept-ranges
bytes
cf-ray
6855d4909e2a53fd-LHR
sp.js
includemodal.global.ssl.fastly.net/
49 KB
14 KB
Script
General
Full URL
https://includemodal.global.ssl.fastly.net/sp.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.1.194 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
cc0a6c515e2a1d898487e78be00afa4c5fb46fabc406b229dd038ba79d48d7ce

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-amz-version-id
lR_N7Rp6m29k0wOc5L31kOLFouDpWQBa
Content-Encoding
gzip
ETag
"b91e578db04154060a87b2bb7d6b0abf"
Age
1315
X-Cache
HIT
Connection
keep-alive
Content-Length
14059
x-amz-id-2
L/Z+ak2rAZ0ZGZ1yLrE5ihk4jM1B7k2Ta2JHT6G+dNjZSwMpP+j4GprIzOAxkathN1qfkWSeg3s=
X-Served-By
cache-ams21080-AMS
Last-Modified
Thu, 26 Aug 2021 21:38:36 GMT
Server
AmazonS3
X-Timer
S1630072871.064173,VS0,VE0
Date
Fri, 27 Aug 2021 14:01:11 GMT
Vary
Accept-Encoding
x-amz-request-id
GC7AYX8P39BYVPDF
Via
1.1 varnish
Accept-Ranges
bytes
Content-Type
application/javascript
X-Cache-Hits
30
client-v2-eb.js
rzi5r6k8wfmwq9izm.ay.delivery/
30 KB
10 KB
Script
General
Full URL
https://rzi5r6k8wfmwq9izm.ay.delivery/client-v2-eb.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3032::ac43:bb58 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Tue, 24 Aug 2021 12:32:14 GMT
server
cloudflare
age
669
etag
W/"6124e6ce-79f8"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
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content-type
application/javascript
cache-control
public, max-age=900, stale-while-revalidate=3600
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
6855d4946cee4de2-FRA
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
jquery-3.5.0.min.js
www.britannica.com/resources/js/libs/
87 KB
31 KB
Script
General
Full URL
https://www.britannica.com/resources/js/libs/jquery-3.5.0.min.js?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/js/libs/jquery-3.5.0.min.js?v=3.50.89
pragma
no-cache
cookie
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accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:10 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
content-length
30911
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:55:44 GMT
server
cloudflare
etag
"15d95-5c7041bd08400-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
application/javascript
accept-ranges
bytes
cf-ray
6855d4909e2653fd-LHR
prebid4.12.0.js
www.britannica.com/resources/js/libs/
222 KB
70 KB
Script
General
Full URL
https://www.britannica.com/resources/js/libs/prebid4.12.0.js?v=3.50.89
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.18.221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
42c62e030efd5e30b5ecebfa0e79066019d665ba77e26490760299adc4ed4747
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

:path
/resources/js/libs/prebid4.12.0.js?v=3.50.89
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
www.britannica.com
referer
https://www.britannica.com/science/ecology
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://www.britannica.com/science/ecology
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-permitted-cross-domain-policies
master-only
x-iset
green
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Tue, 13 Jul 2021 16:55:44 GMT
server
cloudflare
etag
"37904-5c7041bd08400-gzip"
expect-ct
max-age=604800
vary
Accept-Encoding,User-Agent
content-type
application/javascript
accept-ranges
bytes
cf-ray
6855d4949900e68c-LHR
DkXxjTZZ.js
content.jwplatform.com/libraries/
121 KB
39 KB
Script
General
Full URL
https://content.jwplatform.com/libraries/DkXxjTZZ.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2190:ea00:1:a3fa:7cc0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
openresty /
Resource Hash
05ed8d778c2b3e83e303178912dae6bef466fd3a01c368bf759767ee1baeed90

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:00:24 GMT
content-encoding
gzip
server
openresty
age
46
x-cache
Hit from cloudfront
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=150, max-stale=180
x-amz-cf-pop
ZRH50-C1
content-length
40005
via
1.1 5e318b3ea3fa81a8c20898c2f8c40e7c.cloudfront.net (CloudFront)
x-amz-cf-id
7B4t4ouk-pqRWwUtw0XoXPKvriGTKJBJvoW7SwNKZhg9--zyI2tgQA==
expires
Fri, 27 Aug 2021 14:00:20 GMT
js
www.googletagmanager.com/gtag/
104 KB
41 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=UA-6636134-11
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
8f08d967917936a6e61798278c471d82a432da1e27f0ea274964a0e4748f8573
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
br
server
Google Tag Manager
access-control-allow-headers
Cache-Control
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42089
x-xss-protection
0
expires
Fri, 27 Aug 2021 14:01:11 GMT
beacon.min.js
static.cloudflareinsights.com/
13 KB
5 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5e41 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0e567066985125e7974f68b42914dcb134e3c38373a4a3d668bdb38a3e55f299

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
last-modified
Thu, 26 Aug 2021 22:03:28 GMT
server
cloudflare
etag
W/2021.5.3
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
6855d495b9ce4e6d-FRA
ce82963b-f627-419e-b126-778986904c63.json
cdn.cookielaw.org/consent/ce82963b-f627-419e-b126-778986904c63/
4 KB
2 KB
XHR
General
Full URL
https://cdn.cookielaw.org/consent/ce82963b-f627-419e-b126-778986904c63/ce82963b-f627-419e-b126-778986904c63.json
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ccd1cdb823bc4c40a2aa3768cf73585916200065d21648d0d0c15908fccce6e3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
ZfKhp+657eUDfvcoTyIjfQ==
age
1163
vary
Accept-Encoding
content-length
1562
x-ms-lease-status
unlocked
last-modified
Wed, 07 Jul 2021 18:59:56 GMT
server
cloudflare
etag
0x8D9417969428EE5
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
275b9620-e01e-0135-7888-9830e6000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6855d493fa555b4a-FRA
location
geolocation.onetrust.com/cookieconsentpub/v1/geo/
164 B
224 B
Script
General
Full URL
https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6814:b844 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1b94f9074fc2ef1b63132fc70fe244cc5d5322e5982a80b6273a45a935ae335f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-ray
6855d4961c684e14-FRA
otBannerSdk.js
cdn.cookielaw.org/scripttemplates/6.12.0/
361 KB
80 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/6.12.0/otBannerSdk.js
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1d97729299024aa64b03739e244f254966f9b546045de88bd835701a473045d8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
Aib4Vlvkay7u77hQspwwDQ==
age
8013726
vary
Accept-Encoding
content-length
81328
x-ms-lease-status
unlocked
last-modified
Wed, 20 Jan 2021 07:04:09 GMT
server
cloudflare
etag
0x8D8BD11958F56CC
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
68dd2b4f-101e-0060-4169-529dc4000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=691200
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6855d49638fc4ee0-FRA
expires
Sat, 04 Sep 2021 14:01:11 GMT
en.json
cdn.cookielaw.org/consent/ce82963b-f627-419e-b126-778986904c63/1c3c57f0-9b1e-4a4f-8d01-0c9aeca3d830/
112 KB
23 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/consent/ce82963b-f627-419e-b126-778986904c63/1c3c57f0-9b1e-4a4f-8d01-0c9aeca3d830/en.json
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/6.12.0/otBannerSdk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
653f963ed2f9b98c08bcf8a37a55575fec0efa8aaa289c7243d597600552bb7d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
cHIV/iidiO3Rlb90alLxPQ==
age
1710611
vary
Accept-Encoding
content-length
23151
x-ms-lease-status
unlocked
last-modified
Wed, 07 Jul 2021 19:00:07 GMT
server
cloudflare
etag
0x8D94179701E66C4
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
43ef8b38-301e-00f4-1ebd-8bfd0a000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6855d4967ef35b4a-FRA
iab2Data.json
cdn.cookielaw.org/vendorlist/
259 KB
36 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/vendorlist/iab2Data.json
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/6.12.0/otBannerSdk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
69f9dc3420a650901d613134478a86902561519391667518b1d77d8fd99b7d26
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
j2hvkDDNjRFu+C0jYvyDcQ==
age
1237
vary
Accept-Encoding
content-length
36643
x-ms-lease-status
unlocked
last-modified
Fri, 27 Aug 2021 13:00:03 GMT
server
cloudflare
etag
0x8D9695A9649868C
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
a0269ddf-a01e-011b-2549-9bb021000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6855d4967ef55b4a-FRA
otTCF.js
cdn.cookielaw.org/scripttemplates/6.12.0/
67 KB
15 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/6.12.0/otTCF.js
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/6.12.0/otBannerSdk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
13f63ab5fa8d3973eef6d6366052135fb3958b54ca2149cc691864b03ed7d848
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
zuNs8AMhreqmYWNqqh//eQ==
age
13626330
vary
Accept-Encoding
content-length
14815
x-ms-lease-status
unlocked
last-modified
Wed, 20 Jan 2021 07:04:08 GMT
server
cloudflare
etag
0x8D8BD1194CBE1FA
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
6877c494-601e-006f-045d-1f7032000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=691200
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6855d49669564ee0-FRA
expires
Sat, 04 Sep 2021 14:01:11 GMT
publishertag.js
static.criteo.net/js/ld/
118 KB
39 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
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638::3 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
nginx /
Resource Hash
3982c942590876cf5a57ea212976927e47b081f65ead1a24e8d0c563e97e89b7

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

date
Fri, 27 Aug 2021 14:01:11 GMT
content-encoding
gzip
last-modified
Thu, 12 Aug 2021 15:58:03 GMT
server
nginx
etag
W/"6115450b-1d808"
content-type
text/javascript
access-control-allow-origin
*
cache-control
max-age=86400, public
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
expires
Sat, 28 Aug 2021 14:01:11 GMT
rid
match.adsrvr.org/track/
109 B
545 B
XHR
General
Full URL
https://match.adsrvr.org/track/rid?ttd_pid=casale&fmt=json&p=182364&gdpr=0
Requested by
Host: js-sec.indexww.com
URL: https://js-sec.indexww.com/ht/htw-britannica.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
76.223.111.131 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a97adde81b00f2ca4.awsglobalaccelerator.com
Software
/
Resource Hash
3ec0244de112949b02e41cf1af644889922147e12d0e309a894279846b6e5931

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Content-Type
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Response headers

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TLS 1.3, , AES_128_GCM
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Referer
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Response headers

date
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content-encoding
gzip
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last-modified
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server
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BlockBlob
date
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content-encoding
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server
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etag
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strict-transport-security
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Response headers

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content-encoding
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server
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etag
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XHR
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TLS 1.3, , AES_128_GCM
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Response headers

date
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content-encoding
gzip
vary
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age
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x-cache
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access-control-allow-origin
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last-modified
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server
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etag
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strict-transport-security
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cache-control
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Protocol
H3-29
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QUIC, , AES_128_GCM
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Request headers

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User-Agent
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Response headers

date
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content-encoding
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Script
General
Full URL
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Host: www.britannica.com
URL: https://www.britannica.com/science/ecology
Protocol
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TLS 1.3, , AES_128_GCM
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Response headers

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Response headers

date
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x-content-type-options
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content-security-policy-report-only
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Response headers

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Protocol
H2
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TLS 1.3, , AES_128_GCM
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Response headers

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Protocol
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Response headers

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Protocol
H2
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Response headers

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via
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x-cache
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Referer
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Response headers

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date
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Request headers

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Response headers

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content-encoding
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server
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QUIC, , AES_128_GCM
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content-encoding
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QUIC, , AES_128_GCM
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Response headers

pragma
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server
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Response headers

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1.1 6b0e09b8a7d995016df1513b4b11c17e.cloudfront.net (CloudFront)
cache-control
no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials
true
x-robots-tag
noindex, nofollow
x-amz-cf-id
OddIwLGx25tH-jwuyI4z0BRa-Wr707YAV2cx3ZxDwyAcyKE4TF6UQQ==
expires
Thu, 01 Jan 1970 00:00:00 GMT
762
bc-script.britannica.com/DG/DEFAULT/rest/rpc/
3 KB
2 KB
XHR
General
Full URL
https://bc-script.britannica.com/DG/DEFAULT/rest/rpc/762?referer=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology&bcsessionid=87b2d11a-6c93-4083-a1a2-123c820030fc&bctempid=&overruleReferrer=&time=2021-08-27T16%3A01%3A13%2B02%3A00&ts=1630072873965
Requested by
Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.96.32 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-96-32.zrh50.r.cloudfront.net
Software
- /
Resource Hash
e03f5d826d1f28b3251acc9262ac96e986ae86a8ef8f776dd129e6c40761f71f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Content-Type
text/plain

Response headers

date
Fri, 27 Aug 2021 14:01:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
x-permitted-cross-domain-policies
master-only
x-amz-cf-pop
ZRH50-C1
x-cache
Miss from cloudfront
p3p
policyref="", CP="DSP"
content-length
1446
x-xss-protection
1; mode=block
pragma
no-cache
access-control-allow-origin
https://www.britannica.com
server
-
content-type
application/json; charset=utf-8
via
1.1 6b0e09b8a7d995016df1513b4b11c17e.cloudfront.net (CloudFront)
cache-control
no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials
true
x-robots-tag
noindex, nofollow
x-amz-cf-id
U_sG6DG5gPKFAJurX3D41alqmOYcyPsSgs34LUsaaKYHM7jFk5Y_Ag==
expires
Thu, 01 Jan 1970 00:00:00 GMT
762
bc-script.britannica.com/DG/DEFAULT/rest/rpc/
6 KB
3 KB
XHR
General
Full URL
https://bc-script.britannica.com/DG/DEFAULT/rest/rpc/762?referer=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology&bcsessionid=87b2d11a-6c93-4083-a1a2-123c820030fc&bctempid=&overruleReferrer=&time=2021-08-27T16%3A01%3A13%2B02%3A00&ts=1630072873979
Requested by
Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.96.32 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-96-32.zrh50.r.cloudfront.net
Software
- /
Resource Hash
9368b29e834e460797516e9e2879a76869e2a1e954743436f8f5721460187897
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Content-Type
text/plain

Response headers

date
Fri, 27 Aug 2021 14:01:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
x-permitted-cross-domain-policies
master-only
x-amz-cf-pop
ZRH50-C1
x-cache
Miss from cloudfront
p3p
policyref="", CP="DSP"
content-length
1506
x-xss-protection
1; mode=block
pragma
no-cache
access-control-allow-origin
https://www.britannica.com
server
-
content-type
application/json; charset=utf-8
via
1.1 6b0e09b8a7d995016df1513b4b11c17e.cloudfront.net (CloudFront)
cache-control
no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials
true
x-robots-tag
noindex, nofollow
x-amz-cf-id
DyWXdRwxWCgrs0tZdfu9q6h7wwNiL5ik5jSO4Gn9HFdHsrpUk9KuIA==
expires
Thu, 01 Jan 1970 00:00:00 GMT
762
bc-script.britannica.com/DG/DEFAULT/rest/rpc/
141 B
1 KB
XHR
General
Full URL
https://bc-script.britannica.com/DG/DEFAULT/rest/rpc/762?referer=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology&bcsessionid=87b2d11a-6c93-4083-a1a2-123c820030fc&bctempid=&overruleReferrer=&time=2021-08-27T16%3A01%3A13%2B02%3A00&ts=1630072873981
Requested by
Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.96.32 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-96-32.zrh50.r.cloudfront.net
Software
- /
Resource Hash
bb62bcc3284fba31c9c24df18ad6f7d8638306410dbd88bcd021f2a3c5fe215b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Content-Type
text/plain

Response headers

date
Fri, 27 Aug 2021 14:01:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
x-permitted-cross-domain-policies
master-only
x-amz-cf-pop
ZRH50-C1
x-cache
Miss from cloudfront
p3p
policyref="", CP="DSP"
content-length
145
x-xss-protection
1; mode=block
pragma
no-cache
access-control-allow-origin
https://www.britannica.com
server
-
content-type
application/json; charset=utf-8
via
1.1 6b0e09b8a7d995016df1513b4b11c17e.cloudfront.net (CloudFront)
cache-control
no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials
true
x-robots-tag
noindex, nofollow
x-amz-cf-id
wUWPboBI__rBJzr2jXwGTaAlU8bgeA0PLcGdoJ7xPGQ0b-yRG4_A4w==
expires
Thu, 01 Jan 1970 00:00:00 GMT
cs
encyclopediabritannica.blueconic.net/DG/DEFAULT/
66 B
853 B
Script
General
Full URL
https://encyclopediabritannica.blueconic.net/DG/DEFAULT/cs?bcsessionid=87b2d11a-6c93-4083-a1a2-123c820030fc&&callback=bc_json764
Requested by
Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.234.170.180 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-234-170-180.compute-1.amazonaws.com
Software
- /
Resource Hash
febfeaab111e6c79aaf9f77b8f6baa76cd2adf7d7f6afde8ca41cc1edacd9089
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 27 Aug 2021 14:01:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
-
x-robots-tag
noindex, nofollow
p3p
policyref="", CP="DSP"
x-permitted-cross-domain-policies
master-only
cache-control
no-cache, no-store, no-transform, must-revalidate, private
content-type
text/javascript; charset=utf-8
content-length
86
x-xss-protection
1; mode=block
expires
Thu, 01 Jan 1970 00:00:00 GMT
762
bc-script.britannica.com/DG/DEFAULT/rest/rpc/
141 B
1 KB
XHR
General
Full URL
https://bc-script.britannica.com/DG/DEFAULT/rest/rpc/762?referer=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology&bcsessionid=87b2d11a-6c93-4083-a1a2-123c820030fc&bctempid=&overruleReferrer=&time=2021-08-27T16%3A01%3A14%2B02%3A00&ts=1630072874378
Requested by
Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.96.32 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-96-32.zrh50.r.cloudfront.net
Software
- /
Resource Hash
8c5685a6ec521295c24739cf845c9a00a00e01d531289257fbeac1904f437580
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Content-Type
text/plain

Response headers

date
Fri, 27 Aug 2021 14:01:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
x-permitted-cross-domain-policies
master-only
x-amz-cf-pop
ZRH50-C1
x-cache
Miss from cloudfront
p3p
policyref="", CP="DSP"
content-length
145
x-xss-protection
1; mode=block
pragma
no-cache
access-control-allow-origin
https://www.britannica.com
server
-
content-type
application/json; charset=utf-8
via
1.1 6b0e09b8a7d995016df1513b4b11c17e.cloudfront.net (CloudFront)
cache-control
no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials
true
x-robots-tag
noindex, nofollow
x-amz-cf-id
U8Juo0ynYGOzCf__EghSq6g0dMbCyRMDTOOPxKXpXizX1tP0apy1JA==
expires
Thu, 01 Jan 1970 00:00:00 GMT
collect
www.google-analytics.com/g/
0
54 B
Ping
General
Full URL
https://www.google-analytics.com/g/collect?v=2&tid=G-TE6YF92Y0D&gtm=2oe8p0&_p=1216099925&sr=1600x1200&ul=en-us&cid=1198160495.1630072872&_s=2&dl=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fecology&dt=Ecology%20%7C%20Britannica&sid=1630072871&sct=1&seg=1&en=page_view&_et=4
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-TE6YF92Y0D&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:808::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

pragma
no-cache
date
Fri, 27 Aug 2021 14:01:16 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.britannica.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

190 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| 0 object| 1 object| 2 object| 3 object| 4 object| 5 object| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated object| $UI object| Constants string| CDN string| CAM_LOGIN_URL string| CAM_SIGN_UP_URL object| Mendel function| __cmp object| OneTrustStub string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer function| getDeferAdsStatus function| setDeferAdsStatus function| statusOk function| OptanonWrapper object| __iab function| __uspapi object| googletag object| __ADMANAGERS object| __ADPROVIDERS object| __ADINFO object| __ADREFRESH object| __ADCMD function| jsonFeed function| __tcfapi object| otStubData object| otIabModule object| headertag object| nobid object| Criteo function| headertag_render function| sovrn_render object| pbjs object| rubicontag object| ggeac object| google_js_reporting_queue object| Optanon object| OneTrust function| Goog_AdSense_getAdAdapterInstance function| Goog_AdSense_OsdAdapter undefined| google_measure_js_timing boolean| apstagLOADED object| apstag object| __$ object| __AD function| admiral number| settings_timer number| _vwo_settings_timer object| _vwo_code object| _0x86cf function| _0x1f25 boolean| __xshjryhdhjkuehd object| assertive object| IzWidget function| $ function| jQuery object| jwDefaults object| webpackJsonpjwplayer function| jwplayer function| gaPageLoad object| EBStat object| __cfBeacon function| cnx function| pbjsChunk object| _pbjsGlobals object| google_tag_manager object| criteo_pubtag object| criteo_pubtag_112 object| Criteo_112 number| _vwo_acc_id object| vwoCode object| _vwo_style string| _vwo_css string| _vwo_cookieDomain string| _vwo_uuid string| _vis_opt_file number| _vwo_library_timer string| _vis_opt_lib undefined| b number| _vwo_j_e string| _vwo_mt string| _vwo_tm object| VWO object| vwo_iehack_queue object| _vwo_exp_ids object| _vwo_exp object| _vwo_pa string| _vwo_opa_cb string| _vwo_worker_cb object| _12ca4747-8e80-4a36-b550-dc239c18b954 boolean| pageReadyForStatsCalls function| safeFirstPerformStatsWrite function| performStatsWrite function| writeStat function| buildStatUri function| buildStatQuery function| getHitCount function| setSessionIdCookie function| cookie function| getAccountId function| getSessionId function| performStatsWriteWhenReady function| twq function| fbq function| _fbq function| onYouTubeIframeAPIReady function| 4dm1r11545242527 object| google_tag_data object| gaGlobal string| GoogleAnalyticsObject function| ga object| webpackChunkmendel number| 2f1acc6c3a606b082e5eef5e54414ffb object| FontAwesomeConfig object| ___FONT_AWESOME___ object| gaplugins object| gaData function| vwo_$ string| _vwo_server_url object| _vis_opt_queue object| _vis_opt_check_segment object| _vwo_evq function| _vwo_ev boolean| DISABLE_NATIVE_CONSTANTS object| _vwo_t object| _vwo_editorOperationTracker function| _vwo_handleMutations object| _vwo_api_section_callback object| _vis_opt_comb_name function| _vwo_s object| _vwo_campaignData function| _vis_opt_top_initialize function| _vis_opt_bottom_initialize function| _vis_opt_goal_conversion function| _vis_opt_revenue_conversion function| _vis_opt_pause function| _vis_opt_readCookie function| _vis_opt_createCookie function| _vis_opt_element_loaded function| _vis_opt_GA_track function| _vis_opt_register_conversion function| _vis_opt_get_campaign_xPath number| _vis_opt_experiment_id boolean| _vwo_settings_timed_out number| ___vwo object| __nls object| twttr object| blueConicPreListeners function| BCClass object| blueConicClient object| bc_json763 object| Mustache function| BlueConicMetaDataService function| RuleService function| FormRuleService object| justDetectAdblock function| BlueConicEngagement object| bcConnectionUtil function| BlueConicDataLayerUtil object| jsonpath function| md5 object| checkSameSiteNoneSupport boolean| bcUrlListenerActive boolean| _bcEventsSubscribed string| _this_intIDs string| _page_title string| _this_href string| _this_referrer boolean| gistListener object| _bcBreadCrumbs boolean| eventSubscribed boolean| bcCookieEventsSubscribed object| bc_json764

0 Cookies

8 Console Messages

Source Level URL
Text
console-api error URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_2021082501.js?31062395(Line 6)
Message:
Exception in queued GPT command TypeError: Cannot read property 'getItem' of null
console-api error URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_2021082501.js?31062395(Line 6)
Message:
[GPT] Exception in googletag.cmd function: TypeError: Cannot read property 'getItem' of null.
console-api warning URL: https://www.britannica.com/resources/js/libs/prebid4.12.0.js?v=3.50.89(Line 3)
Message:
fun-hooks: referenced 'registerAdserver' but it was never created
console-api log (Line 2)
Message:
Video Player initialized.
console-api log URL: https://bc-script.britannica.com/plugin/library/00f36e5bd14258d0bb67bb44897db6f6(Line 23)
Message:
JQMIGRATE: Migrate is installed, version 3.3.2
console-api log URL: https://bc-script.britannica.com/script.js(Line 135)
Message:
[BC]DataLayer available
console-api log URL: https://bc-script.britannica.com/script.js(Line 135)
Message:
[BC]Item will not be scraped due to missing item ID
console-api log (Line 2)
Message:
BlueConic metering started

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Xss-Protection 1; mode=block

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.

analytics.twitter.com
api.rlcdn.com
bc-script.britannica.com
c.amazon-adsystem.com
cd.connatix.com
cdn.britannica.com
cdn.cookielaw.org
cds.connatix.com
connect.facebook.net
content.jwplatform.com
d2s8wlbatk24s7.cloudfront.net
dev.visualwebsiteoptimizer.com
encyclopediabritannica.blueconic.net
fonts.googleapis.com
fonts.gstatic.com
geolocation.onetrust.com
gum.criteo.com
includemodal.global.ssl.fastly.net
insitez.blob.core.windows.net
js-sec.indexww.com
match.adsrvr.org
rzi5r6k8wfmwq9izm.ay.delivery
securepubads.g.doubleclick.net
static.ads-twitter.com
static.adsafeprotected.com
static.cloudflareinsights.com
static.criteo.net
stats.g.doubleclick.net
superficialsquare.com
t.co
webstats.eb.com
www.britannica.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
104.18.18.221
104.244.42.133
104.244.42.195
13.224.90.44
13.224.96.29
13.224.96.32
151.101.1.194
151.101.12.157
151.101.14.137
172.217.18.98
2.18.234.21
2600:9000:2156:3200:d:77c3:2dc0:21
2600:9000:2190:ea00:1:a3fa:7cc0:93a1
2606:4700:10::6814:b844
2606:4700:3032::ac43:bb58
2606:4700::6810:5e41
2606:4700::6810:9440
2a00:1450:4001:801::200a
2a00:1450:4001:803::200e
2a00:1450:4001:808::200e
2a00:1450:4001:809::2003
2a00:1450:4001:80e::2008
2a00:1450:4001:80f::2008
2a00:1450:4001:828::2003
2a00:1450:4001:831::2004
2a00:1450:400c:c0c::9a
2a02:2638::1c
2a02:2638::3
2a03:2880:f02d:12:face:b00c:0:3
2a03:2880:f12d:83:face:b00c:0:25de
3.219.22.177
3.234.170.180
34.120.133.55
34.241.251.11
34.96.102.137
35.190.74.222
40.118.73.208
76.223.111.131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