URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursda...
Submission: On August 26 via api from US

Summary

This website contacted 18 IPs in 4 countries across 21 domains to perform 52 HTTP transactions. The main IP is 2606:4700::6810:a5e4, located in United States and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is www.edx.org.
TLS certificate: Issued by Gandi Standard SSL CA 2 on April 2nd 2018. Valid for: 2 years.
This is the only time www.edx.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
19 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a02:26f0:eb:... 20940 (AKAMAI-ASN1)
1 99.86.0.85 16509 (AMAZON-02)
1 13.35.253.125 16509 (AMAZON-02)
3 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
5 2a00:1450:400... 15169 (GOOGLE)
3 52.42.209.140 16509 (AMAZON-02)
1 13.35.253.109 16509 (AMAZON-02)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
5 2606:4700::68... 13335 (CLOUDFLAR...)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:205... 16509 (AMAZON-02)
2 2600:9000:205... 16509 (AMAZON-02)
52 18
Domain Requested by
19 www.edx.org www.edx.org
5 prod-edxapp.edx-cdn.org www.edx.org
5 fonts.gstatic.com www.edx.org
3 api.segment.io www.edx.org
3 www.google-analytics.com cdn.segment.com
www.google-analytics.com
www.edx.org
2 api2.branch.io www.edx.org
2 fonts.googleapis.com www.edx.org
1 app.link cdn.branch.io
1 www.google.de www.edx.org
1 www.google.com 1 redirects
1 stats.g.doubleclick.net 1 redirects
1 js.hsadspixel.net js.hs-scripts.com
1 js.hs-analytics.net js.hs-scripts.com
1 js.hs-scripts.com www.googletagmanager.com
1 ak.sail-horizon.com www.googletagmanager.com
1 www.googletagmanager.com cdn.segment.com
1 cdn.branch.io www.edx.org
1 cdn.segment.com www.edx.org
1 cdn.optimizely.com www.edx.org
0 s3.amazonaws.com Failed cdn.segment.com
0 api.sail-personalize.com Failed www.edx.org
0 api.sail-track.com Failed www.edx.org
52 22
Subject Issuer Validity Valid
*.edx.org
Gandi Standard SSL CA 2
2018-04-02 -
2020-05-06
2 years crt.sh
cdn.optimizely.com
DigiCert ECC Secure Server CA
2018-11-24 -
2020-02-23
a year crt.sh
*.segment.com
DigiCert SHA2 Secure Server CA
2019-06-24 -
2020-07-01
a year crt.sh
*.branch.io
DigiCert SHA2 Secure Server CA
2018-12-05 -
2020-12-08
2 years crt.sh
*.google-analytics.com
Google Internet Authority G3
2019-07-29 -
2019-10-21
3 months crt.sh
*.googleapis.com
Google Internet Authority G3
2019-07-29 -
2019-10-21
3 months crt.sh
*.google.com
Google Internet Authority G3
2019-07-29 -
2019-10-21
3 months crt.sh
ak.sail-horizon.com
Amazon
2019-03-06 -
2020-04-06
a year crt.sh
ssl817718.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2
2019-08-13 -
2020-02-19
6 months crt.sh
ssl803670.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2
2019-05-29 -
2019-12-05
6 months crt.sh
ssl803643.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2
2019-05-29 -
2019-12-05
6 months crt.sh
*.edx-cdn.org
Gandi Standard SSL CA 2
2017-10-04 -
2019-10-04
2 years crt.sh
www.google.de
Google Internet Authority G3
2019-07-29 -
2019-10-21
3 months crt.sh
appipv4.link
Amazon
2019-08-19 -
2020-09-19
a year crt.sh

This page contains 1 frames:

Primary Page: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Frame ID: B98A71746AE455A4F27C7503AAF33002
Requests: 52 HTTP requests in this frame

Screenshot


Detected technologies

Overall confidence: 100%
Detected patterns
  • meta generator /^Drupal(?:\s([\d.]+))?/i
  • headers expires /19 Nov 1978/i

Overall confidence: 100%
Detected patterns
  • meta generator /^Drupal(?:\s([\d.]+))?/i
  • headers expires /19 Nov 1978/i

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

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

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

Overall confidence: 100%
Detected patterns
  • script /optimizely\.com.*\.js/i

Overall confidence: 100%
Detected patterns
  • script /cdn\.segment\.com\/analytics\.js/i

Page Statistics

52
Requests

94 %
HTTPS

79 %
IPv6

21
Domains

22
Subdomains

18
IPs

4
Countries

1039 kB
Transfer

3342 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 45
  • https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j79&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&gjid=1862780854&_gid=1468610683.1566837518&_u=aGBAgAAj~&z=1908715971 HTTP 302
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&_v=j79&z=1908715971 HTTP 302
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&_v=j79&z=1908715971&slf_rd=1&random=633850407

52 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request course
www.edx.org/
17 KB
6 KB
Document
General
Full URL
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
ebdba06efed34a3e39d71578ddcca087a183027423174921101ab6ac105c0c9a
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

Request headers

:method
GET
:authority
www.edx.org
:scheme
https
:path
/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
sec-fetch-mode
navigate
sec-fetch-user
?1
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
sec-fetch-site
none
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Mode
navigate
Sec-Fetch-User
?1

Response headers

status
200
date
Mon, 26 Aug 2019 16:38:36 GMT
content-type
text/html; charset=utf-8
set-cookie
__cfduid=d484c2b3760bcae3eda8504fd89c9d86d1566837516; expires=Tue, 25-Aug-20 16:38:36 GMT; path=/; domain=.edx.org; HttpOnly prod-edx-cf-loc=DE; Path=/; Expires=Wed, 26 Aug 2020 16:38:36 GMT
cf-cache-status
HIT
cache-control
s-maxage=300, max-age=0, must-revalidate, no-cache="set-cookie"
cf-ray
50c73caceccb8c80-VIE
age
58
content-language
en
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
expires
Sun, 19 Nov 1978 05:00:00 GMT
last-modified
Mon, 26 Aug 2019 16:36:37 GMT
strict-transport-security
max-age=2592000
vary
X-Accept-Language,Accept-Encoding
via
varnish
x-ah-environment
prod
x-cache
HIT
x-cache-hits
4
x-content-type-options
nosniff
x-drupal-cache
MISS
x-frame-options
SameOrigin
x-generator
Drupal 7 (http://drupal.org)
x-request-id
v-acb4fd14-c81f-11e9-86fa-13f66727b2ed
server
cloudflare
content-encoding
gzip
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
www.edx.org/sites/default/files/css/
7 KB
2 KB
Stylesheet
General
Full URL
https://www.edx.org/sites/default/files/css/css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c44fab5ab25ff9f9dc07aced65f77686ec6a831bb858efaac266ba5deaf7d26e
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
2217
x-request-id
v-c75aee7a-a4b7-11e9-807e-2b5fbf4cd401
last-modified
Fri, 12 Jul 2019 14:51:10 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=2592000
content-type
text/css
via
varnish
expires
Tue, 10 Sep 2019 15:14:58 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cf38c80-VIE
x-cache-hits
108654
css_mktzIRd5CRE-97qJhrh-LyZqgbhTe9MZCqn-bCpDQ_g.css
www.edx.org/sites/default/files/css/
6 KB
2 KB
Stylesheet
General
Full URL
https://www.edx.org/sites/default/files/css/css_mktzIRd5CRE-97qJhrh-LyZqgbhTe9MZCqn-bCpDQ_g.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
9a4b7321177909113ef7ba8986b87e2f266a81b8537bd3190aa9fe6c2a4343f8
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
1660
x-request-id
v-b86e3976-a4b7-11e9-930c-c3aaa9c3194d
last-modified
Fri, 12 Jul 2019 14:51:11 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=2592000
content-type
text/css
via
varnish
expires
Tue, 10 Sep 2019 15:14:23 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cf68c80-VIE
x-cache-hits
150591
css_wJb3Uwx4Fnlstqg_LG7y_DdUCipLiNbQq7QYh_UaZWI.css
www.edx.org/sites/default/files/css/
458 KB
70 KB
Stylesheet
General
Full URL
https://www.edx.org/sites/default/files/css/css_wJb3Uwx4Fnlstqg_LG7y_DdUCipLiNbQq7QYh_UaZWI.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c096f7530c7816796cb6a83f2c6ef2fc37540a2a4b88d6d0abb41887f51a6562
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
71183
x-request-id
v-8d2f2d08-c7f1-11e9-a04f-cb0e27a681ad
last-modified
Mon, 26 Aug 2019 11:06:24 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=2592000
content-type
text/css
via
varnish
expires
Wed, 25 Sep 2019 11:06:28 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cf78c80-VIE
x-cache-hits
23006
css_vCUzQp3N37rfxD4aTUoEEwapKD-KAd7YlMV9XmochIo.css
www.edx.org/sites/default/files/css/
925 B
506 B
Stylesheet
General
Full URL
https://www.edx.org/sites/default/files/css/css_vCUzQp3N37rfxD4aTUoEEwapKD-KAd7YlMV9XmochIo.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
bc2533429dcddfbadfc43e1a4d4a041306a9283f8a01ded894c57d5e6a1c848a
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
355
x-request-id
v-bd537c4e-a4b7-11e9-af64-dbe3b0121a45
last-modified
Fri, 12 Jul 2019 14:51:11 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=2592000
content-type
text/css
via
varnish
expires
Tue, 10 Sep 2019 15:14:40 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cf88c80-VIE
x-cache-hits
156479
js_BS7lvIetxt5p0fnn8_eCWnMeaRrDtMr6wniCIIuVxSw.js
www.edx.org/sites/default/files/js/
114 KB
40 KB
Script
General
Full URL
https://www.edx.org/sites/default/files/js/js_BS7lvIetxt5p0fnn8_eCWnMeaRrDtMr6wniCIIuVxSw.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
052ee5bc87adc6de69d1f9e7f3f7825a731e691ac3b4cafac27882208b95c52c
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
40954
x-request-id
v-b760f82a-bc4a-11e9-9b4d-17165a51ddfa
last-modified
Thu, 01 Aug 2019 18:45:26 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=2592000
content-type
text/javascript
via
varnish
expires
Tue, 10 Sep 2019 15:14:30 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cf98c80-VIE
x-cache-hits
204405
1743970571.js
cdn.optimizely.com/js/
325 KB
93 KB
Script
General
Full URL
https://cdn.optimizely.com/js/1743970571.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_256_GCM
Server
2a02:26f0:eb:388::13b8 , Ascension Island, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
a6cda865175e1c01a4b3fa9d598db24ef3fd972969b4d776f3e966bde1978e54
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

x-amz-meta-pci_enabled
False
x-amz-version-id
VTjMm.vT4uPhaSIPJiYAV.1grweiBEjM
content-encoding
gzip
etag
"f0cf6d2c6db48228f61fee577508bca0"
x-amz-request-id
0E690C5D526CD66A
status
200
x-amz-replication-status
PENDING
access-control-allow-methods
GET, HEAD
server-timing
cdn;desc="AkamaiION";dur=0,rtt;desc="5";dur=0,cdnip;desc="2a02:26f0:eb:388::13b8";dur=0,cdnmap;desc="";dur=0,proto;desc="h2";dur=0
vary
Accept-Encoding
content-length
94723
x-amz-id-2
NuJudLTCgH0d7s86tZMHmplJ9/pb7fC+TkEnptVuPuQZpmAlpFtdZr7gDr/QjPvcaIBTohtHlQs=
last-modified
Mon, 26 Aug 2019 15:20:12 GMT
server
AmazonS3
date
Mon, 26 Aug 2019 16:38:36 GMT
access-control-max-age
86400
strict-transport-security
max-age=15768000
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
x-amz-meta-revision
cache-control
max-age=120
x-amz-meta-revision
12094
accept-ranges
bytes
timing-allow-origin
*
access-control-allow-headers
*
js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
www.edx.org/sites/default/files/js/
14 KB
5 KB
Script
General
Full URL
https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
396a93f393faf81034ddf725aedba16bc6ebb156d8ccbd1d8b141f575995cb17
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
4755
x-request-id
v-b89eba60-a4b7-11e9-b271-ef7b75750608
last-modified
Fri, 12 Jul 2019 14:51:12 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=2592000
content-type
text/javascript
via
varnish
expires
Tue, 10 Sep 2019 15:14:19 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cfa8c80-VIE
x-cache-hits
193109
js_ED5CXIEwhB9PDdZv7AOYZUbFBi9KCcPctIWjP4xzd14.js
www.edx.org/sites/default/files/js/
27 KB
10 KB
Script
General
Full URL
https://www.edx.org/sites/default/files/js/js_ED5CXIEwhB9PDdZv7AOYZUbFBi9KCcPctIWjP4xzd14.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
103e425c8130841f4f0dd66fec03986546c5062f4a09c3dcb485a33f8c73775e
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
10167
x-request-id
v-bcf008da-a4b7-11e9-8dd6-abfdef931449
last-modified
Fri, 12 Jul 2019 14:51:12 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=2592000
content-type
text/javascript
via
varnish
expires
Tue, 10 Sep 2019 15:14:26 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cfb8c80-VIE
x-cache-hits
173184
edx-logo-header.png
www.edx.org/sites/default/files/theme/
1 KB
1 KB
Image
General
Full URL
https://www.edx.org/sites/default/files/theme/edx-logo-header.png
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
via
varnish
x-content-type-options
nosniff
cf-cache-status
HIT
age
1574
cf-polished
pngoptimizer, origSize=1894
x-cache
HIT
status
200
cf-bgj
imgq:85
x-ah-environment
prod
vary
Accept-Encoding
content-length
1250
x-request-id
v-bf7b50be-8d24-11e9-972e-27bb99f2e7c2
last-modified
Wed, 07 May 2014 17:21:08 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=2592000
content-type
image/png
expires
Tue, 10 Sep 2019 15:14:45 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cfd8c80-VIE
x-cache-hits
885
js_asIaD16FD7uotC0-R0mY4TYtcYoTYtA9nYyVZoshZC8.js
www.edx.org/sites/default/files/js/
789 B
663 B
Script
General
Full URL
https://www.edx.org/sites/default/files/js/js_asIaD16FD7uotC0-R0mY4TYtcYoTYtA9nYyVZoshZC8.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
501
x-request-id
v-b5d15040-bc4a-11e9-9c22-936fb50f702b
last-modified
Mon, 15 Jul 2019 17:53:40 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=2592000
content-type
text/javascript
via
varnish
expires
Tue, 10 Sep 2019 15:14:27 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad3cfc8c80-VIE
x-cache-hits
231326
backbone-min.js
www.edx.org/sites/all/themes/atedx/scripts/vendor/common/
19 KB
6 KB
Script
General
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/vendor/common/backbone-min.js?pwuc6m
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
684
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
6398
x-request-id
v-8b886898-c7f1-11e9-b2a8-5f07d6d529c7
last-modified
Fri, 26 Apr 2019 07:13:00 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=2592000
content-type
application/javascript
via
varnish
expires
Wed, 25 Sep 2019 11:06:28 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad6d0e8c80-VIE
x-cache-hits
228
manifest.3e7386ed89cb376d140b.js
www.edx.org/sites/all/themes/atedx/scripts/dist/
3 KB
2 KB
Script
General
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/manifest.3e7386ed89cb376d140b.js?pwuc6m
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:36 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
1641
x-request-id
v-8c851070-c7f1-11e9-b927-2fdc243d37b9
last-modified
Fri, 23 Aug 2019 19:01:46 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=2592000
content-type
application/javascript
via
varnish
expires
Wed, 25 Sep 2019 11:06:27 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cad9d1a8c80-VIE
x-cache-hits
22832
vendor.f2ff0d6936b3cf82850d.js
www.edx.org/sites/all/themes/atedx/scripts/dist/
128 KB
44 KB
Script
General
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/vendor.f2ff0d6936b3cf82850d.js?pwuc6m
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:37 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
44643
x-request-id
v-8ce82322-c7f1-11e9-b22b-872a6818dca2
last-modified
Fri, 10 May 2019 14:18:23 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=2592000
content-type
application/javascript
via
varnish
expires
Wed, 25 Sep 2019 11:06:27 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cb03ea38c80-VIE
x-cache-hits
22620
site_header_without_search.eb80404d17f4a0a18d7e.js
www.edx.org/sites/all/themes/atedx/scripts/dist/
482 KB
129 KB
Script
General
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.eb80404d17f4a0a18d7e.js?pwuc6m
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
214008a510b7fe3fda2dbb802b57260dfd00ace87a9e4c7ce4a5c62142314bea
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:37 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
131952
x-request-id
v-8c380eb0-c7f1-11e9-a2c6-2f063e146495
last-modified
Mon, 19 Aug 2019 19:38:50 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=2592000
content-type
application/javascript
via
varnish
expires
Wed, 25 Sep 2019 11:06:26 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cb07ed48c80-VIE
x-cache-hits
8395
search.921627a74ab741474bc6.js
www.edx.org/sites/all/themes/atedx/scripts/dist/
1 KB
878 B
Script
General
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/search.921627a74ab741474bc6.js?pwuc6m
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
3592d574472432a3a8e81902f49f0d56ebf02b347f5c8d4f951d9a28bc959576
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:37 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
MISS
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
752
x-request-id
v-8ca91830-c7f1-11e9-a3cc-3787f445460b
last-modified
Fri, 10 May 2019 14:18:39 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=2592000
content-type
application/javascript
via
varnish
expires
Wed, 25 Sep 2019 11:06:27 GMT
cache-control
max-age=2592000, no-cache="set-cookie"
accept-ranges
bytes
cf-ray
50c73cb338528c80-VIE
x-cache-hits
8213
analytics.min.js
cdn.segment.com/analytics.js/v1/8fncv13bt5/
321 KB
67 KB
Script
General
Full URL
https://cdn.segment.com/analytics.js/v1/8fncv13bt5/analytics.min.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
99.86.0.85 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-99-86-0-85.fra6.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

x-amz-version-id
x.P0uIWwLVpVXkTmLL.lEW2ziHVJ7n64
content-encoding
gzip
etag
"7ebbe42c524ad0f86ea7f374ca3b3997"
age
107
x-cache
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status
200
x-amz-replication-status
COMPLETED
content-length
67653
access-control-allow-origin
*
last-modified
Fri, 23 Aug 2019 22:15:40 GMT
server
AmazonS3
date
Mon, 26 Aug 2019 16:36:51 GMT
access-control-max-age
3000
access-control-allow-methods
GET, HEAD
content-type
text/javascript; charset=utf-8
via
1.1 89c822bb1ce1445a7be6d1057088cfbf.cloudfront.net (CloudFront)
cache-control
public, max-age=300
x-amz-cf-pop
FRA6-C1
accept-ranges
bytes
x-amz-cf-id
vBDSTgF3J1o89XaUAv_4SYJQUDZ3psXLqzmOzWMuBcJ1JsYACgfD6Q==
fontawesome-webfont.woff2
www.edx.org/sites/all/themes/atedx/fonts/
75 KB
76 KB
Font
General
Full URL
https://www.edx.org/sites/all/themes/atedx/fonts/fontawesome-webfont.woff2?v=4.7.0
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Software
cloudflare /
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Request headers

Sec-Fetch-Mode
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User-Agent
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Response headers

date
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via
varnish
x-content-type-options
nosniff
cf-cache-status
HIT
age
2915
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server
cloudflare
expect-ct
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strict-transport-security
max-age=2592000
expires
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cache-control
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cf-ray
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x-cache-hits
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22 KB
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Full URL
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Sec-Fetch-Mode
no-cors
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User-Agent
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Response headers

x-amz-version-id
niwfoqhU_AnqkvtSMs5r0ZFpRVGmQSMv
Content-Encoding
gzip
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keep-alive
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148
ETag
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X-Cache
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Cache-Control
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Software
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Security Headers
Name Value
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Request headers

Sec-Fetch-Mode
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Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
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server
Golfe2
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date
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vary
Accept-Encoding
content-type
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cache-control
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gtm.js
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90 KB
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General
Full URL
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URL: https://cdn.segment.com/analytics.js/v1/8fncv13bt5/analytics.min.js
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H2
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TLS 1.3, , AES_128_GCM
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Request headers

Sec-Fetch-Mode
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Response headers

date
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content-encoding
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last-modified
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server
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access-control-allow-headers
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status
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access-control-allow-origin
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General
Full URL
https://www.google-analytics.com/plugins/ua/linkid.js
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Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
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TLS 1.3, , AES_128_GCM
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2a00:1450:4001:814::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
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Resource Hash
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Request headers

Sec-Fetch-Mode
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User-Agent
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Response headers

date
Mon, 26 Aug 2019 15:49:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
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server
sffe
age
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Request headers

Sec-Fetch-Mode
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Response headers

date
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content-encoding
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x-content-type-options
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last-modified
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expect-ct
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strict-transport-security
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varnish
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cache-control
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accept-ranges
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x-drupal-cache
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css
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879 B
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Full URL
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URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.eb80404d17f4a0a18d7e.js?pwuc6m
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

Sec-Fetch-Mode
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User-Agent
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Response headers

strict-transport-security
max-age=31536000
content-encoding
br
last-modified
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server
ESF
link
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status
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date
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x-frame-options
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access-control-allow-origin
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cache-control
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x-xss-protection
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expires
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2.996a0a26a92d159de031.js
www.edx.org/sites/all/themes/atedx/scripts/dist/
758 KB
268 KB
Script
General
Full URL
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Requested by
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URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/manifest.3e7386ed89cb376d140b.js?pwuc6m
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TLS 1.3, , AES_128_GCM
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Request headers

Sec-Fetch-Mode
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User-Agent
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Response headers

date
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content-encoding
gzip
x-content-type-options
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server
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strict-transport-security
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via
varnish
expires
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cache-control
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Full URL
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Request headers

Sec-Fetch-Mode
cors
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Response headers

date
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x-content-type-options
nosniff
last-modified
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server
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age
333399
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expires
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Full URL
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Requested by
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URL: https://www.edx.org/sites/default/files/js/js_BS7lvIetxt5p0fnn8_eCWnMeaRrDtMr6wniCIIuVxSw.js
Protocol
H2
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Software
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Security Headers
Name Value
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Request headers

Sec-Fetch-Mode
cors
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Response headers

date
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x-content-type-options
nosniff
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sffe
age
281039
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content-type
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expires
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Full URL
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Requested by
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URL: https://www.edx.org/sites/default/files/js/js_BS7lvIetxt5p0fnn8_eCWnMeaRrDtMr6wniCIIuVxSw.js
Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Sec-Fetch-Mode
cors
Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
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User-Agent
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Response headers

date
Sat, 24 Aug 2019 15:10:17 GMT
x-content-type-options
nosniff
last-modified
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server
sffe
age
178100
status
200
content-type
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access-control-allow-origin
*
cache-control
public, max-age=31536000
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content-length
9016
x-xss-protection
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expires
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i
api.segment.io/v1/
21 B
139 B
XHR
General
Full URL
https://api.segment.io/v1/i
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
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52.42.209.140 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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ec2-52-42-209-140.us-west-2.compute.amazonaws.com
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Request headers

Sec-Fetch-Mode
cors
Referer
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Response headers

status
200
date
Mon, 26 Aug 2019 16:38:38 GMT
access-control-allow-origin
https://www.edx.org
content-length
21
vary
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content-type
application/json
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ak.sail-horizon.com/onsite/
114 KB
39 KB
Script
General
Full URL
https://ak.sail-horizon.com/onsite/personalize.v0.0.4.min.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PLVRLF&l=dataLayer
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.35.253.109 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Apache /
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Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:36:46 GMT
content-encoding
gzip
last-modified
Mon, 27 Mar 2017 20:53:05 GMT
server
Apache
age
126
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/javascript
status
200
cache-control
max-age=600; must-revalidate
x-amz-cf-pop
FRA6-C1
accept-ranges
bytes
content-length
39926
via
1.1 08bbe291f260c2b80a00874a80ade07c.cloudfront.net (CloudFront)
x-amz-cf-id
dbpkVdQNDAIA14c-szvzBc7P_NZcZOOSieP5XYYBuO7BI_VJiZHa6g==
4982103.js
js.hs-scripts.com/
823 B
893 B
Script
General
Full URL
https://js.hs-scripts.com/4982103.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PLVRLF&l=dataLayer
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700::6811:d5cc , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
69563aec680e38c5e23df0d57c1f1bc7fabc37a82bbb526a4219c80edcde19b5

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:37 GMT
content-encoding
gzip
vary
Accept-Encoding
cf-cache-status
HIT
age
11
cf-polished
origSize=1020
status
200
cf-bgj
minify
server
cloudflare
x-trace
2BA014D76159A0619FE47595FA63DABFC92FA99004000000000000000000
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
3600
content-type
application/javascript;charset=utf-8
access-control-allow-origin
https://www.edx.org
cache-control
public, max-age=60
access-control-allow-credentials
true
cf-ray
50c73cb6ed79cbc4-VIE
expires
Mon, 26 Aug 2019 16:39:37 GMT
mem6YaGs126MiZpBA-UFUK0Zdc1GAK6b.woff2
fonts.gstatic.com/s/opensans/v17/
10 KB
10 KB
Font
General
Full URL
https://fonts.gstatic.com/s/opensans/v17/mem6YaGs126MiZpBA-UFUK0Zdc1GAK6b.woff2
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.eb80404d17f4a0a18d7e.js?pwuc6m
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
ffcde34efda55a63cb66dbec4bf10acb531014d581e2d8e511836b84e08c2305
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Sec-Fetch-Mode
cors
Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Origin
https://www.edx.org
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 25 Aug 2019 01:35:15 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jul 2019 19:31:02 GMT
server
sffe
age
140602
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="46,43,39"
content-length
9728
x-xss-protection
0
expires
Mon, 24 Aug 2020 01:35:15 GMT
mem5YaGs126MiZpBA-UN7rgOUuhpKKSTjw.woff2
fonts.gstatic.com/s/opensans/v17/
9 KB
9 KB
Font
General
Full URL
https://fonts.gstatic.com/s/opensans/v17/mem5YaGs126MiZpBA-UN7rgOUuhpKKSTjw.woff2
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.eb80404d17f4a0a18d7e.js?pwuc6m
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
a48a6e4b14fe55f750c0a3dfb5a6f4941bdc06af0aa542b90de25c30c2b4625c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Sec-Fetch-Mode
cors
Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Origin
https://www.edx.org
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Fri, 23 Aug 2019 05:23:57 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jul 2019 19:31:11 GMT
server
sffe
age
299680
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="46,43,39"
content-length
9080
x-xss-protection
0
expires
Sat, 22 Aug 2020 05:23:57 GMT
4982103.js
js.hs-analytics.net/analytics/1566837300000/
73 KB
25 KB
Script
General
Full URL
https://js.hs-analytics.net/analytics/1566837300000/4982103.js
Requested by
Host: js.hs-scripts.com
URL: https://js.hs-scripts.com/4982103.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700::6811:44b0 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
881d4e121019db894f976a032f89d0739bbc1e4825a6bee2bd660c38f20af892

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:37 GMT
content-encoding
gzip
cf-cache-status
HIT
age
151
status
200
x-amz-request-id
9D2951A05881BDD9
x-amz-id-2
Z0NSd40/j0MlNksPjsVhdSx2Kd2+kUAZpVXK4ZcCub6xxxfXqLY4SWsKYiXetsLv54mcUgjK9Bk=
last-modified
Mon, 19 Aug 2019 15:24:33 GMT
server
cloudflare
etag
W/"c4c8dce32c1da719eac8d72d2d1ad082"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript
cache-control
max-age=300, public
access-control-allow-credentials
false
x-amz-version-id
null
cf-ray
50c73cb73d4d8c74-VIE
expires
Mon, 26 Aug 2019 16:41:06 GMT
fb.js
js.hsadspixel.net/
4 KB
2 KB
Script
General
Full URL
https://js.hsadspixel.net/fb.js
Requested by
Host: js.hs-scripts.com
URL: https://js.hs-scripts.com/4982103.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700::6811:74b0 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
495f1faf890ccdae096ac75bb853e6689fc5c15a4a47ee8586a69dac042da695

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:37 GMT
via
1.1 ef6762d67d012a06d2761f42352c9e53.cloudfront.net (CloudFront)
cf-cache-status
HIT
age
467
x-cache
Hit from cloudfront
status
200
x-amz-replication-status
COMPLETED
content-encoding
gzip
content-type
application/javascript; charset=utf-8
last-modified
Tue, 20 Aug 2019 12:36:51 GMT
server
cloudflare
etag
W/"44fa1418780c7c0a7186b68152faacfe"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-version-id
b4TvnPbhixd73qgjZBfskF4ZCA2qU32c
cache-control
max-age=600
x-amz-cf-pop
IAD89-C1
cf-ray
50c73cb74c81cb98-VIE
x-amz-cf-id
dZtCdoS7DR9nVfUEKtDLGKzuGU8QLIVQTpIRYWzfpxBahvhg5rUpBw==
pageview
api.sail-track.com/v1/track/event/
0
0

simple
api.sail-personalize.com/v1/personalize/
0
0

footer
www.edx.org/api/
14 KB
3 KB
XHR
General
Full URL
https://www.edx.org/api/footer?language=en&include-language-selector=1
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
ba915ad59fbcae61f9282d1a560b2b22f05f378cc65df3e88d2c8313aef2026f
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

Request headers

Accept
text/html, */*; q=0.01
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Mode
cors

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
via
varnish
x-content-type-options
nosniff
cf-cache-status
HIT
age
2904
x-cache
HIT
status
200
x-cache-hits
327
x-ah-environment
prod
content-encoding
gzip
vary
X-Accept-Language,Accept-Encoding
x-request-id
v-184a0428-c7fa-11e9-8fb5-17e7ccfaf67a
last-modified
Mon, 26 Aug 2019 12:07:37 GMT
server
cloudflare
x-frame-options
SameOrigin
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/html; charset=UTF-8
cache-control
public, max-age=21600, no-cache="set-cookie"
cf-ray
50c73cb79a5c8c80-VIE
x-drupal-cache
MISS
expires
Sun, 19 Nov 1978 05:00:00 GMT
lms-footer-edx.32498a91fc82.css
prod-edxapp.edx-cdn.org/static/edx.org/css/
22 KB
4 KB
Stylesheet
General
Full URL
https://prod-edxapp.edx-cdn.org/static/edx.org/css/lms-footer-edx.32498a91fc82.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/vendor.f2ff0d6936b3cf82850d.js?pwuc6m
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:60be , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
f44e2f7b40fdaafdd8a530edb1af696d1392393147d3f4e39640a9ea9aa610d3

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
content-encoding
gzip
cf-cache-status
HIT
age
9366953
status
200
content-length
3696
last-modified
Thu, 25 Apr 2019 18:43:54 GMT
server
cloudflare
etag
W/"5cc1ffea-560b"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=315360000
accept-ranges
bytes
cf-ray
50c73cb7f820cbc4-VIE
expires
Thu, 23 Aug 2029 16:38:38 GMT
footer-edx.dca113193668.js
prod-edxapp.edx-cdn.org/static/js/
551 B
439 B
Script
General
Full URL
https://prod-edxapp.edx-cdn.org/static/js/footer-edx.dca113193668.js?_=1566837517517
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/vendor.f2ff0d6936b3cf82850d.js?pwuc6m
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:60be , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
aea21aa54270aa3468c00c1f8cec52fd3c7944145083ef08aa6f659baf3baa4f

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Mon, 26 Aug 2019 06:40:38 GMT
server
cloudflare
etag
W/"5d637ee6-227"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
public, max-age=315360000
accept-ranges
bytes
cf-ray
50c73cb7f828cbc4-VIE
content-length
315
expires
Thu, 23 Aug 2029 16:38:38 GMT
logo-footer.fde85fe42f6b.png
prod-edxapp.edx-cdn.org/static/edx.org/images/
3 KB
3 KB
Image
General
Full URL
https://prod-edxapp.edx-cdn.org/static/edx.org/images/logo-footer.fde85fe42f6b.png
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:60be , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
5cf97370a2c8bba2ab994e14807bc494cc002d76e3946048a43b12e143f6109c

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
cf-cache-status
HIT
last-modified
Thu, 07 Feb 2019 21:11:05 GMT
server
cloudflare
age
12400587
etag
"5c5c9ee9-c13"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
status
200
cache-control
public, max-age=315360000
accept-ranges
bytes
cf-ray
50c73cb7f826cbc4-VIE
content-length
3091
expires
Thu, 23 Aug 2029 16:38:38 GMT
app_store_badge_135x40.d0558d910630.svg
prod-edxapp.edx-cdn.org/static/images/app/
12 KB
5 KB
Image
General
Full URL
https://prod-edxapp.edx-cdn.org/static/images/app/app_store_badge_135x40.d0558d910630.svg
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:60be , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
25178aeef6eb6b83b96f5f2d004eda3bffbb37122de64afbaef7107b384a4132

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Fri, 30 Nov 2018 16:38:46 GMT
server
cloudflare
age
18767950
etag
W/"5c016796-3041"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/svg+xml
status
200
cache-control
public, max-age=315360000
cf-ray
50c73cb7f829cbc4-VIE
expires
Thu, 23 Aug 2029 16:38:38 GMT
google_play_badge_45.6ea466e328da.png
prod-edxapp.edx-cdn.org/static/images/app/
4 KB
4 KB
Image
General
Full URL
https://prod-edxapp.edx-cdn.org/static/images/app/google_play_badge_45.6ea466e328da.png
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:60be , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
d838b2098a6dde4053f9ccdbbc0f889d4444b5a27da3ee211cd782a8458bb63e

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
cf-cache-status
HIT
last-modified
Sun, 20 Jan 2019 23:53:13 GMT
server
cloudflare
age
17067939
etag
"5c4509e9-100d"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
status
200
cache-control
public, max-age=315360000
accept-ranges
bytes
cf-ray
50c73cb7f82bcbc4-VIE
content-length
4109
expires
Thu, 23 Aug 2029 16:38:38 GMT
css
fonts.googleapis.com/
12 KB
879 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81f::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
1ac2aecbb2d2d720d3d426c3da5336d6f7189ba2ccb8db482f8f3327a9228e2e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Mon, 26 Aug 2019 16:38:38 GMT
server
ESF
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
status
200
date
Mon, 26 Aug 2019 16:38:38 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="46,43,39"
x-xss-protection
0
expires
Mon, 26 Aug 2019 16:38:38 GMT
p
api.segment.io/v1/
21 B
139 B
XHR
General
Full URL
https://api.segment.io/v1/p
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.42.209.140 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-52-42-209-140.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Request headers

Sec-Fetch-Mode
cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
text/plain

Response headers

status
200
date
Mon, 26 Aug 2019 16:38:38 GMT
access-control-allow-origin
https://www.edx.org
content-length
21
vary
Origin
content-type
application/json
collect
www.google-analytics.com/
35 B
97 B
Image
General
Full URL
https://www.google-analytics.com/collect?v=1&_v=j79&a=1588892677&t=pageview&_s=1&dl=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Dnewsletter_programs_thursday_20190725&dp=%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Dnewsletter_programs_thursday_20190725&ul=en-us&de=UTF-8&dt=edX%20Courses%20%7C%20View%20all%20online%20courses%20on%20edX.org&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=aGBAgAAj~&jid=2095551984&gjid=1862780854&cid=194357519.1566837518&tid=UA-35248639-2&_gid=1468610683.1566837518&z=339438855
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 26 Aug 2019 15:06:28 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
age
5530
status
200
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
content-length
35
expires
Mon, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/
Redirect Chain
  • https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j79&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&gjid=1862780854&_gid=1468610683.1566837518&_u=aGBAgAAj~&z=1908715971
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&_v=j79&z=1908715971
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&_v=j79&z=1908715971&slf_rd=1&random=633850407
42 B
109 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=194357519.1566837518&jid=2095551984&_v=j79&z=1908715971&slf_rd=1&random=633850407
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:821::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 26 Aug 2019 16:38:38 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, no-store, must-revalidate
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
Mon, 26 Aug 2019 16:38:38 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-35248639-2&cid=194357519.1566837518&jid=2095551984&_v=j79&z=1908715971&slf_rd=1&random=633850407
cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
content-length
0
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
dj_.js
s3.amazonaws.com/ki.js/59450/
0
0

_r
app.link/
90 B
724 B
Script
General
Full URL
https://app.link/_r?sdk=web2.50.2&branch_key=key_live_mfvq10qtrE7sjWpz2NHVNlnfrqamuY8u&callback=branch_callback__0
Requested by
Host: cdn.branch.io
URL: https://cdn.branch.io/branch-latest.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2057:5a00:19:9934:6a80:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
openresty/1.13.6.2 / Express
Resource Hash
85a12058bc8394b3024864e0137710e93c3ee8770c688864541273689bf8bf8f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Mon, 26 Aug 2019 16:38:38 GMT
Via
1.1 3095e870e1a1a1b03178e40ab1872de5.cloudfront.net (CloudFront)
X-Content-Type-Options
nosniff
Server
openresty/1.13.6.2
X-Amz-Cf-Pop
FRA6-C1
X-Powered-By
Express
X-Cache
Miss from cloudfront
Content-Type
text/javascript; charset=utf-8
Connection
keep-alive
Content-Length
90
ETag
W/"5a-MsjSm2h8nZu4v0p0Kcfp/WsEtGQ"
X-Amz-Cf-Id
UxC_VeoYl_A2N7ZkFsG1ToJ9_zY-p7WLkfTAgb6a8-OznoYVIFdetQ==
open
api2.branch.io/v1/
265 B
551 B
XHR
General
Full URL
https://api2.branch.io/v1/open
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2057:7a00:11:f728:3040:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
openresty/1.13.6.2 /
Resource Hash
80e1706ad7cb7478ff662ff084d1b1f6da1b26890746674e9aebe8f28df7e280

Request headers

Sec-Fetch-Mode
cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
application/x-www-form-urlencoded

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
via
1.1 a350f357b825293e306b1b0a2cb490c1.cloudfront.net (CloudFront)
server
openresty/1.13.6.2
x-amz-cf-pop
FRA6-C1
status
200
x-cache
Miss from cloudfront
content-type
application/json
access-control-allow-origin
*
cache-control
no-cache
content-length
265
x-amz-cf-id
epf0i9CS14vTlhnbwRih113yjn1c-ZlAcDFkhAwJaPmG5q7BnJAiTA==
pageview
api2.branch.io/v1/
28 B
361 B
XHR
General
Full URL
https://api2.branch.io/v1/pageview
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2057:7a00:11:f728:3040:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
openresty/1.13.6.2 / Express
Resource Hash
a82dc28d43942326b346f92907df3bea5e38b2325ef97176f3b6234966bf19eb

Request headers

Sec-Fetch-Mode
cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
application/x-www-form-urlencoded

Response headers

date
Mon, 26 Aug 2019 16:38:38 GMT
via
1.1 a350f357b825293e306b1b0a2cb490c1.cloudfront.net (CloudFront)
server
openresty/1.13.6.2
x-amz-cf-pop
FRA6-C1
x-powered-by
Express
etag
W/"1c-KRZWpHfIKyIHGKJ9mp9lAyX+vFY"
status
200
x-cache
Miss from cloudfront
content-type
application/json; charset=utf-8
access-control-allow-origin
*
content-length
28
x-amz-cf-id
njK1zLkIejDdH9fevQMkvK-yyydirsd1c_tzdSej9tNeZojwZxjA8g==
m
api.segment.io/v1/
21 B
139 B
XHR
General
Full URL
https://api.segment.io/v1/m
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.42.209.140 Boardman, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-52-42-209-140.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Request headers

Sec-Fetch-Mode
cors
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=newsletter_programs_thursday_20190725
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
text/plain

Response headers

status
200
date
Mon, 26 Aug 2019 16:39:07 GMT
access-control-allow-origin
https://www.edx.org
content-length
21
vary
Origin
content-type
application/json

Failed requests

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

Domain
api.sail-track.com
URL
https://api.sail-track.com/v1/track/event/pageview
Domain
api.sail-personalize.com
URL
https://api.sail-personalize.com/v1/personalize/simple?
Domain
s3.amazonaws.com
URL
https://s3.amazonaws.com/ki.js/59450/dj_.js

Verdicts & Comments Add Verdict or Comment

57 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| Drupal undefined| $ function| jQuery object| jQuery18309680119660018072 function| _ object| NREUM object| newrelic function| __nr_require object| analytics object| branch object| Backbone function| webpackJsonp string| GoogleAnalyticsObject function| ga function| normalize object| optimizely object| dataLayer object| google_tag_data object| gaplugins object| gaGlobal object| gaData function| postscribe object| google_tag_manager number| iCookieLengthDays string| sCookieName string| sSourceParameterName string| sMediumParameterName string| sCampaignParameterName string| sTermParameterName string| sContentParameterName string| sCookieDomain function| _getQueryStringValue function| _setCookie string| sSourceValue string| sMediumeValue string| sCampaignValue undefined| sTermValue undefined| sContentValue object| oCookieContent object| core object| __core-js_shared__ function| setImmediate function| clearImmediate object| regeneratorRuntime boolean| _babelPolyfill object| _responsiveMediaHandlers number| iCookieLength string| sPartnerValue function| Bloodhound object| Sailthru object| _hsq object| _paq boolean| _hstc_loaded boolean| PIXELS_RAN object| footerLanguageSelector object| _kiq object| edx

0 Cookies

1 Console Messages

Source Level URL
Text
console-api error URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/manifest.3e7386ed89cb376d140b.js?pwuc6m(Line 1)
Message:
TypeError: Cannot read property 'removeItem' of null

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
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

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.

ak.sail-horizon.com
api.sail-personalize.com
api.sail-track.com
api.segment.io
api2.branch.io
app.link
cdn.branch.io
cdn.optimizely.com
cdn.segment.com
fonts.googleapis.com
fonts.gstatic.com
js.hs-analytics.net
js.hs-scripts.com
js.hsadspixel.net
prod-edxapp.edx-cdn.org
s3.amazonaws.com
stats.g.doubleclick.net
www.edx.org
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
api.sail-personalize.com
api.sail-track.com
s3.amazonaws.com
13.35.253.109
13.35.253.125
2600:9000:2057:5a00:19:9934:6a80:93a1
2600:9000:2057:7a00:11:f728:3040:93a1
2606:4700::6810:a5e4
2606:4700::6811:44b0
2606:4700::6811:60be
2606:4700::6811:74b0
2606:4700::6811:d5cc
2a00:1450:4001:814::2003
2a00:1450:4001:814::200e
2a00:1450:4001:818::2004
2a00:1450:4001:81a::2008
2a00:1450:4001:81f::200a
2a00:1450:4001:821::2003
2a00:1450:400c:c04::9a
2a02:26f0:eb:388::13b8
52.42.209.140
99.86.0.85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