URL: https://www.britannica.com/science/biology
Submission: On June 19 via manual from PH — Scanned from DE

Summary

This website contacted 40 IPs in 6 countries across 26 domains to perform 112 HTTP transactions. The main IP is 104.18.4.110, located in and belongs to CLOUDFLARENET, US. The main domain is www.britannica.com. The Cisco Umbrella rank of the primary domain is 39421.
TLS certificate: Issued by E1 on May 9th 2024. Valid for: 3 months.
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
5 104.18.4.110 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
41 18.245.60.16 16509 (AMAZON-02)
3 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700::68... 13335 (CLOUDFLAR...)
7 13.32.99.27 16509 (AMAZON-02)
1 20.60.222.228 8075 (MICROSOFT...)
1 2a00:1450:400... 15169 (GOOGLE)
1 66.235.152.156 15224 (OMNITURE)
1 3.222.55.81 14618 (AMAZON-AES)
2 108.138.6.136 16509 (AMAZON-02)
2 172.217.18.2 15169 (GOOGLE)
1 146.75.120.157 54113 (FASTLY)
2 2a03:2880:f08... 32934 (FACEBOOK)
2 2620:1ec:29:1... 8075 (MICROSOFT...)
1 2600:9000:236... 16509 (AMAZON-02)
3 54.217.181.83 16509 (AMAZON-02)
1 13.32.99.91 16509 (AMAZON-02)
3 2600:9000:249... 16509 (AMAZON-02)
1 93.184.221.165 15133 (EDGECAST)
1 104.244.42.67 13414 (TWITTER)
1 2600:9000:275... 16509 (AMAZON-02)
2 2a03:2880:f17... 32934 (FACEBOOK)
2 2a00:1450:400... 15169 (GOOGLE)
2 13.32.99.89 16509 (AMAZON-02)
3 2001:4860:480... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
1 18.172.112.126 16509 (AMAZON-02)
2 52.152.143.207 8075 (MICROSOFT...)
2 2600:9000:225... 16509 (AMAZON-02)
1 2 68.219.88.97 8075 (MICROSOFT...)
1 1 2620:1ec:c11:... 8068 (MICROSOFT...)
1 2600:9000:225... 16509 (AMAZON-02)
2 172.64.144.166 13335 (CLOUDFLAR...)
1 3.160.150.105 16509 (AMAZON-02)
1 99.86.4.30 16509 (AMAZON-02)
5 13.33.173.196 16509 (AMAZON-02)
1 13.32.27.115 16509 (AMAZON-02)
1 142.250.74.194 15169 (GOOGLE)
112 40
Apex Domain
Subdomains
Transfer
46 britannica.com
www.britannica.com — Cisco Umbrella Rank: 39421
cdn.britannica.com — Cisco Umbrella Rank: 33642
1 MB
11 privacymanager.io
gdpr-wrapper.privacymanager.io — Cisco Umbrella Rank: 61855
gdpr.privacymanager.io — Cisco Umbrella Rank: 70290
geo.privacymanager.io — Cisco Umbrella Rank: 2209
cmp-consent-tool.privacymanager.io — Cisco Umbrella Rank: 134736
vendors.privacymanager.io — Cisco Umbrella Rank: 187749
launchpad-wrapper.privacymanager.io — Cisco Umbrella Rank: 3147
launchpad.privacymanager.io — Cisco Umbrella Rank: 2373
284 KB
8 amazon-adsystem.com
c.amazon-adsystem.com — Cisco Umbrella Rank: 357
config.aps.amazon-adsystem.com — Cisco Umbrella Rank: 746
aax.amazon-adsystem.com — Cisco Umbrella Rank: 494
82 KB
8 adthrive.com
ads.adthrive.com — Cisco Umbrella Rank: 7183
385 KB
6 clarity.ms
www.clarity.ms — Cisco Umbrella Rank: 743
o.clarity.ms — Cisco Umbrella Rank: 12392
c.clarity.ms — Cisco Umbrella Rank: 1434
28 KB
4 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 71
region1.google-analytics.com — Cisco Umbrella Rank: 2355
22 KB
4 omtrdc.net
encyclopaediabritann.tt.omtrdc.net — Cisco Umbrella Rank: 32012
mboxedge37.tt.omtrdc.net — Cisco Umbrella Rank: 20880
2 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 81
282 KB
2 confiant-integrations.net
cdn.confiant-integrations.net — Cisco Umbrella Rank: 1954
166 KB
2 google.com
fundingchoicesmessages.google.com — Cisco Umbrella Rank: 744
126 KB
2 facebook.com
www.facebook.com — Cisco Umbrella Rank: 114
3 KB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 204
72 KB
2 doubleclick.net
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 235
177 KB
1 googlesyndication.com
pagead2.googlesyndication.com — Cisco Umbrella Rank: 137
1 jwplayer.com
cdn.jwplayer.com — Cisco Umbrella Rank: 3338
3 KB
1 bing.com
c.bing.com — Cisco Umbrella Rank: 224
766 B
1 twitter.com
analytics.twitter.com — Cisco Umbrella Rank: 986
393 B
1 t.co
t.co — Cisco Umbrella Rank: 726
377 B
1 trackonomics.net
cdn-magiclinks.trackonomics.net — Cisco Umbrella Rank: 9282
70 KB
1 ads-twitter.com
static.ads-twitter.com — Cisco Umbrella Rank: 905
15 KB
1 eb.com
webstats.eb.com — Cisco Umbrella Rank: 65639
270 B
1 gstatic.com
fonts.gstatic.com
126 KB
1 windows.net
insitez.blob.core.windows.net — Cisco Umbrella Rank: 40985
489 B
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1073
7 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 83
775 B
1 googletagservices.com
www.googletagservices.com — Cisco Umbrella Rank: 324
32 KB
112 26
Domain Requested by
41 cdn.britannica.com www.britannica.com
cdn.britannica.com
8 ads.adthrive.com www.britannica.com
ads.adthrive.com
5 aax.amazon-adsystem.com c.amazon-adsystem.com
5 www.britannica.com cdn.britannica.com
static.cloudflareinsights.com
3 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
www.britannica.com
3 gdpr-wrapper.privacymanager.io ads.adthrive.com
gdpr.privacymanager.io
3 mboxedge37.tt.omtrdc.net cdn.britannica.com
3 www.googletagmanager.com www.britannica.com
www.googletagmanager.com
2 cdn.confiant-integrations.net ads.adthrive.com
cdn.confiant-integrations.net
2 c.clarity.ms 1 redirects
2 vendors.privacymanager.io gdpr.privacymanager.io
2 o.clarity.ms www.clarity.ms
2 geo.privacymanager.io gdpr.privacymanager.io
2 fundingchoicesmessages.google.com securepubads.g.doubleclick.net
2 www.facebook.com www.britannica.com
2 www.clarity.ms www.britannica.com
www.clarity.ms
2 connect.facebook.net www.britannica.com
connect.facebook.net
2 securepubads.g.doubleclick.net ads.adthrive.com
securepubads.g.doubleclick.net
2 c.amazon-adsystem.com ads.adthrive.com
c.amazon-adsystem.com
1 pagead2.googlesyndication.com securepubads.g.doubleclick.net
1 launchpad.privacymanager.io launchpad-wrapper.privacymanager.io
1 config.aps.amazon-adsystem.com c.amazon-adsystem.com
1 launchpad-wrapper.privacymanager.io ads.adthrive.com
1 cdn.jwplayer.com ads.adthrive.com
1 c.bing.com 1 redirects
1 cmp-consent-tool.privacymanager.io gdpr.privacymanager.io
1 region1.google-analytics.com www.googletagmanager.com
1 gdpr.privacymanager.io gdpr-wrapper.privacymanager.io
1 analytics.twitter.com www.britannica.com
1 t.co www.britannica.com
1 cdn-magiclinks.trackonomics.net www.britannica.com
1 static.ads-twitter.com www.britannica.com
1 webstats.eb.com www.britannica.com
1 encyclopaediabritann.tt.omtrdc.net cdn.britannica.com
1 fonts.gstatic.com fonts.googleapis.com
1 insitez.blob.core.windows.net www.britannica.com
1 static.cloudflareinsights.com www.britannica.com
1 fonts.googleapis.com www.britannica.com
1 www.googletagservices.com www.britannica.com
112 39
Subject Issuer Validity Valid
www.britannica.com
E1
2024-05-09 -
2024-08-07
3 months crt.sh
*.g.doubleclick.net
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
upload.video.google.com
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
cdn.britannica.com
Amazon RSA 2048 M02
2023-08-12 -
2024-09-08
a year crt.sh
*.google-analytics.com
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
cloudflareinsights.com
GTS CA 1P5
2024-05-08 -
2024-08-06
3 months crt.sh
*.adthrive.com
Amazon RSA 2048 M03
2024-04-05 -
2025-05-04
a year crt.sh
*.blob.core.windows.net
Microsoft RSA TLS CA 01
2023-09-28 -
2024-09-28
a year crt.sh
*.gstatic.com
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
*.tt.omtrdc.net
DigiCert TLS RSA SHA256 2020 CA1
2023-08-22 -
2024-09-21
a year crt.sh
*.eb.com
Amazon RSA 2048 M02
2023-09-09 -
2024-10-07
a year crt.sh
c.amazon-adsystem.com
Amazon RSA 2048 M01
2023-12-30 -
2024-12-04
a year crt.sh
ads-twitter.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2023-07-21 -
2024-07-19
a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2024-03-28 -
2024-06-26
3 months crt.sh
www.clarity.ms
DigiCert TLS RSA SHA256 2020 CA1
2023-12-07 -
2024-12-07
a year crt.sh
*.trackonomics.net
Sectigo RSA Domain Validation Secure Server CA
2023-11-17 -
2024-12-17
a year crt.sh
*.privacymanager.io
Amazon RSA 2048 M01
2023-07-27 -
2024-08-24
a year crt.sh
t.co
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2024-05-08 -
2025-05-07
a year crt.sh
*.twitter.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2023-10-31 -
2024-10-29
a year crt.sh
*.google.com
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
a.clarity.ms
Microsoft Azure TLS Issuing CA 01
2024-01-14 -
2024-06-27
5 months crt.sh
jwplayer.com
Amazon RSA 2048 M02
2023-10-27 -
2024-11-23
a year crt.sh
confiant-integrations.net
GTS CA 1P5
2024-05-14 -
2024-08-12
3 months crt.sh
config.aps.amazon-adsystem.com
Amazon RSA 2048 M02
2024-01-21 -
2025-02-19
a year crt.sh
alt1-3ps.amazon-adsystem.com
Amazon RSA 2048 M03
2024-03-29 -
2025-04-28
a year crt.sh

This page contains 3 frames:

Primary Page: https://www.britannica.com/science/biology
Frame ID: 24C2039BBC513620C60A0932004F0924
Requests: 108 HTTP requests in this frame

Frame: https://ads.adthrive.com/builds/core/11e5d4f/html/i.html
Frame ID: D92794E8CB96EDD9CCDD86F39D1119D7
Requests: 1 HTTP requests in this frame

Frame: https://cmp-consent-tool.privacymanager.io/latest/index.html
Frame ID: AAAC9372E661DCC6318971E3ACC1F34F
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Biology | Definition, History, Concepts, Branches, & Facts | Britannica

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

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

Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Overall confidence: 100%
Detected patterns
  • googlesyndication\.com/

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

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

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

112
Requests

98 %
HTTPS

43 %
IPv6

26
Domains

39
Subdomains

40
IPs

6
Countries

3101 kB
Transfer

9069 kB
Size

30
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 93
  • https://c.clarity.ms/c.gif HTTP 302
  • https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=FDA058B4B0144A9A81242FD2A0F9EAFF&RedC=c.clarity.ms&MXFR=07F9C1C0795265A3007FD5637D526B09 HTTP 302
  • https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=FDA058B4B0144A9A81242FD2A0F9EAFF&MUID=3B07430B3AC46D8C248857A83B4F6CF5

112 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request biology
www.britannica.com/science/
127 KB
27 KB
Document
General
Full URL
https://www.britannica.com/science/biology
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.4.110 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1a29c97b7012755cf63f82aadf427fc955f644395f743e4f78c66aee3dcfd2f3
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
8961e7353a3dbb9d-FRA
content-encoding
gzip
content-language
de-DE
content-type
text/html;charset=UTF-8
date
Wed, 19 Jun 2024 07:46:04 GMT
expect-ct
max-age=604800
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=62o56GM7mUdH0rUqsyauOgs%2B4Z5PrSKo39AY59YxnMSRDg38ZL2kBM8abXdnRkdprgWxPwtuM6OEhoAfP%2Fet07QU6l90G53u2MreVTT0GY57dptbsuu8H2WWqjrKCuQh2nVFug%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding,User-Agent
x-iset
green
x-permitted-cross-domain-policies
master-only
x-tserver
ip-10-145-22-39/127.0.1.1
x-wserver
127.0.0.1
x-xss-protection
1; mode=block
gpt.js
www.googletagservices.com/tag/js/
100 KB
32 KB
Script
General
Full URL
https://www.googletagservices.com/tag/js/gpt.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/biology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
689f7516b9d9a79d4e5c6522b0aa4ef9e4fe59058fc9a638bb942da3cbe96b30
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:04 GMT
content-encoding
br
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
32301
x-xss-protection
0
server
cafe
etag
517 / 19893 / m202406130101 / config-hash: 5515444381961717830
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900, stale-while-revalidate=3600
timing-allow-origin
*
expires
Wed, 19 Jun 2024 07:46:04 GMT
icon
fonts.googleapis.com/
569 B
775 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/biology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:800::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
36b2057eb5eef261a2cbb8c149dcf3a11edaa15ccd8e3d462eb34999f5ff8f2a
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

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Wed, 19 Jun 2024 07:46:04 GMT
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
x-xss-protection
0
last-modified
Wed, 19 Jun 2024 07:46:04 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
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
Wed, 19 Jun 2024 07:46:04 GMT
vendor-bundle.css
cdn.britannica.com/mendel-resources/3-119/dist/
219 KB
23 KB
Stylesheet
General
Full URL
https://cdn.britannica.com/mendel-resources/3-119/dist/vendor-bundle.css?v=3.119.7
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/biology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.245.60.16 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-245-60-16.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
64ae5974c3c6171590da479ec43838977fc774158cfa0c3fd96215ef5bb3f1a5

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 23:01:59 GMT
content-encoding
br
via
1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
last-modified
Thu, 13 Jun 2024 01:14:30 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P5
age
31446
etag
W/"fafe69aa4fa281e791e24197c03ee736"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
alt-svc
h3=":443"; ma=86400
x-amz-cf-id
pf58kfGb1h9BFUe5IX2KWx8cwpmduoCXGv_t4pXzTNpmbdmgMp21aQ==
mendel-css.css
cdn.britannica.com/mendel-resources/3-119/dist/
186 KB
27 KB
Stylesheet
General
Full URL
https://cdn.britannica.com/mendel-resources/3-119/dist/mendel-css.css?v=3.119.7
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/biology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.245.60.16 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-245-60-16.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
c9b893a50236b3af70fe674009e5e55ceaacc3ebb37497a4ba8c39e5617210c9

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 22:09:05 GMT
content-encoding
br
via
1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
last-modified
Thu, 13 Jun 2024 01:14:28 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P5
age
34620
x-amz-server-side-encryption
AES256
etag
W/"80080e43cc463c149b67ec59d57ce37d"
vary
Accept-Encoding
x-cache
Hit from cloudfront
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Response headers

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Response headers

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strict-transport-security
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Response headers

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strict-transport-security
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Response headers

content-security-policy
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Response headers

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Response headers

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sec-ch-ua-platform
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Response headers

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content-encoding
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sec-ch-ua
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sec-ch-ua-platform
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Response headers

x-fb-connection-quality
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server
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

attribution-reporting-register-trigger
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15510053
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65 KB
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General
Full URL
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Name Value
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Request headers

sec-ch-ua
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
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content-security-policy
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cross-origin
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x-xss-protection
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reporting-endpoints
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26 KB
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General
Full URL
https://www.clarity.ms/s/0.7.32/clarity.js
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H2
Security
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Request headers

sec-ch-ua
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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last-modified
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etag
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x-fd-int-roxy-purgeid
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TLS 1.3, , AES_128_GCM
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Reverse DNS
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Request headers

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*/*
Access-Control-Request-Headers
content-type
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Sec-Fetch-Mode
cors
User-Agent
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Response headers

access-control-allow-headers
content-type
access-control-allow-methods
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access-control-allow-origin
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age
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content-length
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server
AmazonS3
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H2
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TLS 1.3, , AES_128_GCM
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content-type
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Response headers

access-control-allow-headers
Content-Type,Authorization,X-Amz-Date,X-Api-Key,X-Amz-Security-Token
access-control-allow-methods
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x-cache
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18 KB
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

x-amz-version-id
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content-encoding
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x-amz-cf-pop
FRA56-P7
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x-amz-server-side-encryption
AES256
x-cache
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server
AmazonS3
etag
W/"400918417b51515d8b251f718631a2aa"
vary
Accept-Encoding
access-control-allow-methods
GET
content-type
application/json
access-control-allow-origin
*
cache-control
must-revalidate,public,max-age=3600
x-amz-cf-id
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geo.privacymanager.io/
30 B
625 B
Fetch
General
Full URL
https://geo.privacymanager.io/
Requested by
Host: gdpr.privacymanager.io
URL: https://gdpr.privacymanager.io/latest/gdpr.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.99.89 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-32-99-89.fra60.r.cloudfront.net
Software
/
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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Content-Type
application/json
Accept
application/json
Referer
https://www.britannica.com/
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 19:08:04 GMT
via
1.1 e45d812d65a0d0336b945e28b9381462.cloudfront.net (CloudFront), 1.1 39e6266db143f6443f194d8c60e22480.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3, FRA60-P3
age
45481
x-amzn-requestid
03b3b796-68ad-4b17-8abf-ec76cbf9a2cf
x-amzn-trace-id
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access-control-allow-methods
DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT
content-type
application/json
access-control-allow-origin
*
x-cache
Hit from cloudfront
x-amz-apigw-id
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content-length
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x-amz-cf-id
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access-control-allow-headers
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fundingchoicesmessages.google.com/f/
377 KB
60 KB
Script
General
Full URL
https://fundingchoicesmessages.google.com/f/AGSKWxUgTwW1GVW7XRx0I9oOVD-qt014r7ZqAy1gT2ZJsrIYp6SszuCQ7XruaW1pjlGPcaGidApNDcMl9AvSPyTAiswdc_f6kpeXRHvNAf9w_9n0451oTWEQtFzvN895YzmW0z7xINOnUA==?fccs=W251bGwsbnVsbCxudWxsLG51bGwsbnVsbCxudWxsLFsxNzE4NzgzMTY1LDQ2MDAwMDAwXSxudWxsLG51bGwsbnVsbCxbbnVsbCxbN11dLCJodHRwczovL3d3dy5icml0YW5uaWNhLmNvbS9zY2llbmNlL2Jpb2xvZ3kiLG51bGwsW1s4LCJyTVcxX1dPaWpUOCJdLFs5LCJkZSJdLFsxOSwiMSJdXV0
Requested by
Host:
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy require-trusted-types-for 'script';report-uri /_/ContributorGlobalRouterHttp/cspreport, script-src 'report-sample' 'nonce-AVvjVRQzroXKdaGWMbsIjA' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/ContributorGlobalRouterHttp/cspreport;worker-src 'self', script-src 'unsafe-inline' 'unsafe-eval' 'self' https://apis.google.com https://ssl.gstatic.com https://www.google.com https://www.googletagmanager.com https://www.gstatic.com https://www.google-analytics.com;report-uri /_/ContributorGlobalRouterHttp/cspreport/allowlist
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
content-security-policy
require-trusted-types-for 'script';report-uri /_/ContributorGlobalRouterHttp/cspreport, script-src 'report-sample' 'nonce-AVvjVRQzroXKdaGWMbsIjA' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/ContributorGlobalRouterHttp/cspreport;worker-src 'self', script-src 'unsafe-inline' 'unsafe-eval' 'self' https://apis.google.com https://ssl.gstatic.com https://www.google.com https://www.googletagmanager.com https://www.gstatic.com https://www.google-analytics.com;report-uri /_/ContributorGlobalRouterHttp/cspreport/allowlist
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
x-xss-protection
0
reporting-endpoints
default="/_/ContributorGlobalRouterHttp/web-reports?context=eJzjCtDikmLw0JBiOO90h-k6EEt8fcmkAcRO6TNYg4DYp34GawwQt948xzoViD8_Psf6G4iT_p1nLQLi9s8XWKcD8ZKIi6yHEi-yCnFz7J15ajObwIHpm9yVNJLyC-OT8_NKijKTSkvyi9KS01KLU4vKUovijQyMTAzMDM30DMzjCwwApgQ5CQ"
pragma
no-cache
accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factor, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
cross-origin-opener-policy
same-origin
server
ESF
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
no-cache, no-store, max-age=0, must-revalidate
permissions-policy
ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factor=*, ch-ua-platform=*, ch-ua-platform-version=*
timing-allow-origin
*
expires
Mon, 01 Jan 1990 00:00:00 GMT
analytics.js
www.google-analytics.com/
52 KB
21 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-6636134-11
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:38::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 19 Jun 2024 06:29:07 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
4618
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20994
expires
Wed, 19 Jun 2024 08:29:07 GMT
collect
region1.google-analytics.com/g/
0
0
Fetch
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-TE6YF92Y0D&gtm=45je46h0v884480946z871145433za200zb71145433&_p=1718783164461&gcs=G10-&gcd=13m3lPm2m5&npa=1&dma_cps=-&dma=1&tcfd=10347&tag_exp=0&cid=168908069.1718783165&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Not%252FA)Brand%3B8.0.0.0%7CChromium%3B126.0.6478.114%7CGoogle%2520Chrome%3B126.0.6478.114&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&are=1&frm=0&pscdl=denied&_s=1&sid=1718783164&sct=1&seg=0&dl=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&dt=Biology%20%7C%20Definition%2C%20History%2C%20Concepts%2C%20Branches%2C%20%26%20Facts%20%7C%20Britannica&en=page_view&_fv=1&_nsi=1&_ss=1&ep.page_type=Topic&ep.leg=A&ep.article_template_type=PAGINATED&ep.gisted=false&ep.ad_leg=C&ep.student_article=true&up.user_type=ANONYMOUS&tfd=1377&_z=fetch
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
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Wed, 19 Jun 2024 07:46:05 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
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
index.html
cmp-consent-tool.privacymanager.io/latest/ Frame AAAC
0
0
Document
General
Full URL
https://cmp-consent-tool.privacymanager.io/latest/index.html
Requested by
Host: gdpr.privacymanager.io
URL: https://gdpr.privacymanager.io/latest/gdpr.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.172.112.126 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-172-112-126.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://www.britannica.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

age
169905
cache-control
must-revalidate,public,max-age=604800
content-encoding
br
content-type
text/html
date
Mon, 17 Jun 2024 08:34:21 GMT
etag
W/"75610cde1541054da56aaac17da27360"
last-modified
Mon, 20 Nov 2023 09:32:51 GMT
server
AmazonS3
vary
Accept-Encoding
via
1.1 da9618575b838f6c05697fe3f723a49e.cloudfront.net (CloudFront)
x-amz-cf-id
RxC9bXeDRlvcS-b4E5hWScxPsIZv7TVHMjHbu2L0T6zfoLXequEyxw==
x-amz-cf-pop
FRA60-P8
x-amz-server-side-encryption
AES256
x-amz-version-id
.t5aPfxCiC3dcMaLwZ0jl5ylX_nghvVJ
x-cache
Hit from cloudfront
collect
o.clarity.ms/
0
282 B
XHR
General
Full URL
https://o.clarity.ms/collect
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/s/0.7.32/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
52.152.143.207 Washington, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
application/x-clarity-gzip
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Access-Control-Allow-Origin
https://www.britannica.com
Date
Wed, 19 Jun 2024 07:46:05 GMT
Access-Control-Allow-Credentials
true
Server
nginx
Connection
keep-alive
Vary
Origin
Request-Context
appId=cid-v1:238681e8-7d6b-453a-acb6-7dcad74f3111
linkid.js
www.google-analytics.com/plugins/ua/
2 KB
1 KB
Script
General
Full URL
https://www.google-analytics.com/plugins/ua/linkid.js
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:38::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
92fca55833f48b4289ac8f1cedd48752b580fce4ec4b5d81670b8193d6e51b54
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:26:20 GMT
content-encoding
br
x-content-type-options
nosniff
age
1185
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
697
x-xss-protection
0
last-modified
Fri, 30 Jun 2023 18:58:00 GMT
server
sffe
vary
Accept-Encoding
report-to
{"group":"static-on-bigtable","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/static-on-bigtable"}]}
content-type
text/javascript
cache-control
public, max-age=3600
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="static-on-bigtable"
expires
Wed, 19 Jun 2024 08:26:20 GMT
collect
www.google-analytics.com/
35 B
194 B
Image
General
Full URL
https://www.google-analytics.com/collect?v=1&_v=j101&a=353123891&t=pageview&_s=1&dl=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&dp=%2FTOPIC%2FPAGINATED%2FLARGE%2Fscience%2Fbiology&ul=de-de&de=UTF-8&dt=Biology%20%7C%20Definition%2C%20History%2C%20Concepts%2C%20Branches%2C%20%26%20Facts%20%7C%20Britannica&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=aCDAAUIhAAAAIAAAIg~&cid=168908069.1718783165&tid=UA-6636134-11&_gid=107330146.1718783165&gtm=457e46h0za200&gcs=G10-&gcd=13m3l3m2m5&dma_cps=-&dma=1&tcfd=10347&tag_exp=0&cd1=ANONYMOUS&cd2=A&cd3=C&npa=1&z=646305361
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/science/biology
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:38::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Tue, 18 Jun 2024 15:15:00 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
age
59465
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
35
expires
Mon, 01 Jan 1990 00:00:00 GMT
purposes-de.json
vendors.privacymanager.io/v3/
52 KB
11 KB
Fetch
General
Full URL
https://vendors.privacymanager.io/v3/purposes-de.json
Requested by
Host: gdpr.privacymanager.io
URL: https://gdpr.privacymanager.io/latest/gdpr.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2251:ec00:1b:d3ea:d40:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
32e080758f34920318ef79e99edce9da1c2d0ad0219d37d22bedb9bdf0dd0a5d

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
application/json
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
AxVg0VvoQYGGnlDLjl19eCwAC64eR0OP
content-encoding
gzip
via
1.1 4612dc3b414cf2057f542e94733d59bc.cloudfront.net (CloudFront)
date
Wed, 19 Jun 2024 07:39:54 GMT
x-amz-cf-pop
FRA60-P3
age
1065
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
last-modified
Thu, 13 Jun 2024 17:14:51 GMT
server
AmazonS3
etag
W/"88d66ffb1c4fb0e601198bb095a53661"
vary
Accept-Encoding,Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-methods
GET
content-type
application/json
access-control-allow-origin
*
cache-control
must-revalidate,public,max-age=3600
x-amz-cf-id
YjpqQbBGOQof9JlCkR8koky4zCMPfI2bagkNS5B-abbkv78zuvQ1vQ==
purposes-de.json
vendors.privacymanager.io/v3/
52 KB
0
Fetch
General
Full URL
https://vendors.privacymanager.io/v3/purposes-de.json
Requested by
Host: gdpr.privacymanager.io
URL: https://gdpr.privacymanager.io/latest/gdpr.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2251:ec00:1b:d3ea:d40:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
32e080758f34920318ef79e99edce9da1c2d0ad0219d37d22bedb9bdf0dd0a5d

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
application/json
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
AxVg0VvoQYGGnlDLjl19eCwAC64eR0OP
content-encoding
gzip
via
1.1 4612dc3b414cf2057f542e94733d59bc.cloudfront.net (CloudFront)
date
Wed, 19 Jun 2024 07:39:54 GMT
x-amz-cf-pop
FRA60-P3
age
1065
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
last-modified
Thu, 13 Jun 2024 17:14:51 GMT
server
AmazonS3
etag
W/"88d66ffb1c4fb0e601198bb095a53661"
vary
Accept-Encoding,Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-methods
GET
content-type
application/json
access-control-allow-origin
*
cache-control
must-revalidate,public,max-age=3600
x-amz-cf-id
YjpqQbBGOQof9JlCkR8koky4zCMPfI2bagkNS5B-abbkv78zuvQ1vQ==
c.gif
c.clarity.ms/
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42 B
442 B
Image
General
Full URL
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=FDA058B4B0144A9A81242FD2A0F9EAFF&MUID=3B07430B3AC46D8C248857A83B4F6CF5
Protocol
H2
Server
68.219.88.97 Dublin, Ireland, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
99c2917ee5b2a01459a923bdd1c676f15ee73b62b87f696e6735312d26f51e12

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://www.britannica.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 19 Jun 2024 07:46:05 GMT
last-modified
Fri, 01 Mar 2024 22:54:48 GMT
server
Microsoft-IIS/10.0
etag
"3e26b762b6cda1:0"
x-powered-by
ASP.NET
content-type
image/gif
p3p
CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
cache-control
private, no-cache, proxy-revalidate, no-store
accept-ranges
bytes
content-length
42

Redirect headers

pragma
no-cache
date
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accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref
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x-powered-by
ASP.NET
x-cache
CONFIG_NOCACHE
p3p
CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
location
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=FDA058B4B0144A9A81242FD2A0F9EAFF&MUID=3B07430B3AC46D8C248857A83B4F6CF5
cache-control
private, no-cache, proxy-revalidate, no-store
content-length
0
rum
www.britannica.com/cdn-cgi/
0
143 B
XHR
General
Full URL
https://www.britannica.com/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.4.110 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://www.britannica.com/science/biology
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://www.britannica.com
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
8961e73ecfabbb9d-FRA
favicon.png
www.britannica.com/
864 B
1 KB
Other
General
Full URL
https://www.britannica.com/favicon.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.4.110 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a0ee17adfd2ca2f7741e16904d63fc524ed72d5f2305dad6405aedfcb9155897
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/science/biology
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
x-permitted-cross-domain-policies
master-only
age
3324
x-iset
green
alt-svc
h3=":443"; ma=86400
content-length
864
x-xss-protection
1; mode=block
x-wserver
127.0.0.1
last-modified
Thu, 13 Jun 2024 01:11:32 GMT
server
cloudflare
etag
"360-61abb2ded5900"
expect-ct
max-age=604800
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=fqg6CCo9QNQFvg4goC%2B25eUq%2FgpejnSG77RSnMI%2FoMiy%2F8csePDz1ozZwHjOLsq9P114uwaHTAue5b3T7c%2FxmXlCx7eXBzhyRZe%2BXsgG8aXBnKctwJv3Fhnxga86ZrnZhZlmKQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png
accept-ranges
bytes
cf-ray
8961e73edfb3bb9d-FRA
vgvoz2Tu
cdn.jwplayer.com/v2/playlists/
11 KB
3 KB
Fetch
General
Full URL
https://cdn.jwplayer.com/v2/playlists/vgvoz2Tu?max_resolution=1280
Requested by
Host: ads.adthrive.com
URL: https://ads.adthrive.com/builds/core/11e5d4f/es2018/js/adthrive.min.js?deployment=ad-1000:pr1000:hbs-q2:11e5d4f:2:exp&bucket=hbs-q2&deliveryFeatures=recencyFrequency,ttdSync,reissuingSticky,manualCookieSync,raptiveFloors,cookieDeprecationLabel,prebidLoad,gptLoad,amazonLoad&siteid=61575e5c934c481d714b3ca9
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:225e:a600:1:a3fa:7cc0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
openresty /
Resource Hash
9d1fb925483c79c8c41120f93675bb59b4d29088ccf4f26f43ee6eb22d570003

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:43:32 GMT
content-encoding
gzip
via
1.1 b2ba97e9b6a83eff85433dad7f6e6288.cloudfront.net (CloudFront)
server
openresty
x-amz-cf-pop
FRA60-P4
age
153
x-cache
Hit from cloudfront
content-type
application/json; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=180, max-stale=180
x-robots-tag
noindex, indexifembedded
content-length
3129
x-amz-cf-id
_D5CKPIwzLHuBU2cgRtvCA2tj6xqP9xFor_z778LKiQ8DmSmMOK8iQ==
expires
Wed, 19 Jun 2024 07:46:32
config.js
cdn.confiant-integrations.net/mOinGM9MTu5v-Lto835XLhlrSPY/gpt_and_prebid/
305 KB
59 KB
Script
General
Full URL
https://cdn.confiant-integrations.net/mOinGM9MTu5v-Lto835XLhlrSPY/gpt_and_prebid/config.js
Requested by
Host: ads.adthrive.com
URL: https://ads.adthrive.com/builds/core/11e5d4f/es2018/js/adthrive.min.js?deployment=ad-1000:pr1000:hbs-q2:11e5d4f:2:exp&bucket=hbs-q2&deliveryFeatures=recencyFrequency,ttdSync,reissuingSticky,manualCookieSync,raptiveFloors,cookieDeprecationLabel,prebidLoad,gptLoad,amazonLoad&siteid=61575e5c934c481d714b3ca9
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.144.166 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0ca73517056bdddbcf021881d194de8c857d566ddcabb26d6480b5c8e2dfe5e7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
content-encoding
gzip
cf-cache-status
HIT
x-amz-request-id
2ZZY0M9G81Z4D0ZQ
age
370
x-amz-server-side-encryption
AES256
alt-svc
h3=":443"; ma=86400
content-length
60031
x-amz-id-2
YgpHrXy3Uh3SsH/9kne5LSoCoAImpONcXyr6nPqVvPPwzO7n1uVPOfyqfsWbbklmlXnOtnamdS4=
last-modified
Wed, 19 Jun 2024 07:14:43 GMT
server
cloudflare
etag
"d91fd17783c4e7a020d69c08e6543c4b"
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=900, stale-while-revalidate=3600
accept-ranges
bytes
cf-ray
8961e73f7b023a44-FRA
launchpad-liveramp.js
launchpad-wrapper.privacymanager.io/69e75073-3763-483e-a64c-0d281bfd9225/
345 KB
43 KB
Script
General
Full URL
https://launchpad-wrapper.privacymanager.io/69e75073-3763-483e-a64c-0d281bfd9225/launchpad-liveramp.js
Requested by
Host: ads.adthrive.com
URL: https://ads.adthrive.com/builds/core/11e5d4f/es2018/js/adthrive.min.js?deployment=ad-1000:pr1000:hbs-q2:11e5d4f:2:exp&bucket=hbs-q2&deliveryFeatures=recencyFrequency,ttdSync,reissuingSticky,manualCookieSync,raptiveFloors,cookieDeprecationLabel,prebidLoad,gptLoad,amazonLoad&siteid=61575e5c934c481d714b3ca9
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.160.150.105 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-160-150-105.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
Lhhuec.W.qrWQpQTth94dtO2siYbvhWK
content-encoding
gzip
via
1.1 0f391c2597a5d33716c9422eacf66306.cloudfront.net (CloudFront)
date
Wed, 19 Jun 2024 01:16:19 GMT
x-amz-cf-pop
FRA60-P7
age
23387
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
x-amz-replication-status
COMPLETED
content-disposition
attachment; filename="launchpad-liveramp.js"
last-modified
Wed, 01 May 2024 18:18:53 GMT
server
AmazonS3
etag
W/"deaea14c98a96aab090d1c714f3de8f0"
vary
Accept-Encoding
content-type
text/javascript
x-amz-cf-id
DLrs2XWm8EBUkB7VF84jStVRpqaPM_eK9ptSK9IoBQ-lb7v1Szsouw==
ads.min.css
ads.adthrive.com/sites/61575e5c934c481d714b3ca9/
1 KB
840 B
Stylesheet
General
Full URL
https://ads.adthrive.com/sites/61575e5c934c481d714b3ca9/ads.min.css
Requested by
Host: ads.adthrive.com
URL: https://ads.adthrive.com/builds/core/11e5d4f/es2018/js/adthrive.min.js?deployment=ad-1000:pr1000:hbs-q2:11e5d4f:2:exp&bucket=hbs-q2&deliveryFeatures=recencyFrequency,ttdSync,reissuingSticky,manualCookieSync,raptiveFloors,cookieDeprecationLabel,prebidLoad,gptLoad,amazonLoad&siteid=61575e5c934c481d714b3ca9
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.99.27 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-32-99-27.fra60.r.cloudfront.net
Software
CloudFront /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 20:05:43 GMT
content-encoding
gzip
via
1.1 968007545c497b68cc41825f11e930ba.cloudfront.net (CloudFront)
server
CloudFront
x-amz-cf-pop
FRA60-P3
age
42022
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=3600, s-maxage=86400
x-amz-cf-id
Xz2bykhGk6eQkYRMGkG0pIUAmkwaEAtw89UT6Bpr_hu32wtpRpLang==
4fbba76f-7987-4fa2-9733-c27eb3a2170b
config.aps.amazon-adsystem.com/configs/
563 B
828 B
Script
General
Full URL
https://config.aps.amazon-adsystem.com/configs/4fbba76f-7987-4fa2-9733-c27eb3a2170b
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.86.4.30 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-99-86-4-30.fra6.r.cloudfront.net
Software
CloudFront /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:13:59 GMT
via
1.1 7fcb41b117930690c299be9cec4a977a.cloudfront.net (CloudFront)
server
CloudFront
x-amz-cf-pop
FRA6-C1
age
1926
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=3600
content-length
563
x-amz-cf-id
vucokvYwvQ4VYWOdLl3V9TmVcMmwmmQznce2ulmgVadAfk3oAmAezw==
config
c.amazon-adsystem.com/cdn/prod/
0
0

bid
aax.amazon-adsystem.com/e/dtb/
64 B
399 B
XHR
General
Full URL
https://aax.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&pid=7k0XeM8pwFxdG&cb=0&ws=1600x1200&v=24.610.1703&t=2200&slots=%5B%7B%22sd%22%3A%22AdThrive_Footer_1_desktop%22%2C%22s%22%3A%5B%22728x90%22%2C%22320x50%22%2C%22970x90%22%2C%22300x50%22%2C%22320x100%22%2C%22468x60%22%2C%221x1%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Footer_1%2F61575e5c934c481d714b3ca9%22%2C%22fc%22%3A%22USD%22%2C%22fp%22%3A18%7D%5D&pj=%7B%22adRefresh%22%3A%220%22%7D&schain=1.0%2C1%21cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&gpp_sid=%5B-1%5D&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdpre=1&gdprl=%7B%22status%22%3A%22tcfv2-success%22%7D&_c=1
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.173.196 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-33-173-196.fra60.r.cloudfront.net
Software
Server /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
via
1.1 c15415cccc7260d4bd35b1ca2c497c96.cloudfront.net (CloudFront)
server
Server
x-amz-cf-pop
FRA60-P9
x-cache
Miss from cloudfront
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
timing-allow-origin
*
content-length
64
x-amz-cf-id
nt3Ic22ObFUxoNNBBw7IOZf0-X80yr4kzqnkzZYZIK6GWDbG_GW45w==
bid
aax.amazon-adsystem.com/e/dtb/
64 B
398 B
XHR
General
Full URL
https://aax.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&pid=7k0XeM8pwFxdG&cb=1&ws=1600x1200&v=24.610.1703&t=2200&slots=%5B%7B%22sd%22%3A%22AdThrive_Sidebar_1_desktop%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Sidebar_1%2F61575e5c934c481d714b3ca9%22%2C%22fc%22%3A%22USD%22%2C%22fp%22%3A16%7D%5D&pj=%7B%22adRefresh%22%3A%220%22%7D&schain=1.0%2C1%21cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&gpp_sid=%5B-1%5D&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdpre=1&gdprl=%7B%22status%22%3A%22tcfv2-success%22%7D&_c=1
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.173.196 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-33-173-196.fra60.r.cloudfront.net
Software
Server /
Resource Hash
8db22950b3f47f686f4bad6b6d21386f03a4b0b24320c6715436424e41dcda09

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:04 GMT
via
1.1 c15415cccc7260d4bd35b1ca2c497c96.cloudfront.net (CloudFront)
server
Server
x-amz-cf-pop
FRA60-P9
x-cache
Miss from cloudfront
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
timing-allow-origin
*
content-length
64
x-amz-cf-id
CReF7HJKblP4RMTB2WPcoKNYPldbrVr0TTb4lyrueEsaRrTnoRhXLA==
bid
aax.amazon-adsystem.com/e/dtb/
64 B
398 B
XHR
General
Full URL
https://aax.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&pid=7k0XeM8pwFxdG&cb=2&ws=1600x1200&v=24.610.1703&t=2200&slots=%5B%7B%22sd%22%3A%22AdThrive_Sidebar_9_desktop%22%2C%22s%22%3A%5B%22300x250%22%2C%22320x50%22%2C%22300x50%22%2C%22320x100%22%2C%22250x250%22%2C%22120x240%22%2C%22300x300%22%2C%22320x300%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Sidebar_9%2F61575e5c934c481d714b3ca9%22%2C%22fc%22%3A%22USD%22%2C%22fp%22%3A16%7D%5D&pj=%7B%22adRefresh%22%3A%220%22%7D&schain=1.0%2C1%21cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&gpp_sid=%5B-1%5D&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdpre=1&gdprl=%7B%22status%22%3A%22tcfv2-success%22%7D&_c=1
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.173.196 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-33-173-196.fra60.r.cloudfront.net
Software
Server /
Resource Hash
f0fe7e69e970311a87c3b57b217e6fc19f0a65b25813ad64426169712f61e402

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
via
1.1 c15415cccc7260d4bd35b1ca2c497c96.cloudfront.net (CloudFront)
server
Server
x-amz-cf-pop
FRA60-P9
x-cache
Miss from cloudfront
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
timing-allow-origin
*
content-length
64
x-amz-cf-id
8_w_9efLv8jXSmSrDGeLXcs_81dQneBCgGFuXdrfUbZnbLXAANAGTw==
bid
aax.amazon-adsystem.com/e/dtb/
64 B
398 B
XHR
General
Full URL
https://aax.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&pid=7k0XeM8pwFxdG&cb=3&ws=1600x1200&v=24.610.1703&t=2200&slots=%5B%7B%22sd%22%3A%22AdThrive_Content_1_desktop%22%2C%22s%22%3A%5B%22300x250%22%2C%22320x50%22%2C%22336x280%22%2C%22300x50%22%2C%22320x100%22%2C%22468x60%22%2C%22250x250%22%2C%22120x240%22%2C%221x1%22%2C%22300x300%22%2C%22552x334%22%2C%22320x300%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Content_1%2F61575e5c934c481d714b3ca9%22%2C%22fc%22%3A%22USD%22%2C%22fp%22%3A15%7D%5D&pj=%7B%22adRefresh%22%3A%220%22%7D&schain=1.0%2C1%21cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&gpp_sid=%5B-1%5D&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdpre=1&gdprl=%7B%22status%22%3A%22tcfv2-success%22%7D&_c=1
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.173.196 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-33-173-196.fra60.r.cloudfront.net
Software
Server /
Resource Hash
e74fc9882fd1b046474630282635991e5aa59cb761302f13d7a304c1a3bae89b

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:04 GMT
via
1.1 c15415cccc7260d4bd35b1ca2c497c96.cloudfront.net (CloudFront)
server
Server
x-amz-cf-pop
FRA60-P9
x-cache
Miss from cloudfront
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
timing-allow-origin
*
content-length
64
x-amz-cf-id
6LdUNRFkgvtGFCb7Q1y20-G0_5sljcodAGKVLHdSYCKoChxUjJsTYw==
bid
aax.amazon-adsystem.com/e/dtb/
64 B
400 B
XHR
General
Full URL
https://aax.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology&pid=7k0XeM8pwFxdG&cb=4&ws=1600x1200&v=24.610.1703&t=2200&slots=%5B%7B%22sd%22%3A%22AdThrive_Content_2_desktop%22%2C%22s%22%3A%5B%22300x250%22%2C%22320x50%22%2C%22336x280%22%2C%22300x50%22%2C%22320x100%22%2C%22468x60%22%2C%22250x250%22%2C%22120x240%22%2C%221x1%22%2C%22300x300%22%2C%22552x334%22%2C%22320x300%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Content_2%2F61575e5c934c481d714b3ca9%22%2C%22fc%22%3A%22USD%22%2C%22fp%22%3A13%7D%5D&pj=%7B%22adRefresh%22%3A%220%22%7D&schain=1.0%2C1%21cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&gpp_sid=%5B-1%5D&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdpre=1&gdprl=%7B%22status%22%3A%22tcfv2-success%22%7D&_c=1
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.173.196 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-33-173-196.fra60.r.cloudfront.net
Software
Server /
Resource Hash
13ca66cf6767366a16dcab079a022ab7efaff7ad1f44fe904543916d56bb2d9b

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:04 GMT
via
1.1 c15415cccc7260d4bd35b1ca2c497c96.cloudfront.net (CloudFront)
server
Server
x-amz-cf-pop
FRA60-P9
x-cache
Miss from cloudfront
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
https://www.britannica.com
access-control-allow-credentials
true
timing-allow-origin
*
content-length
64
x-amz-cf-id
0ZmPOMxtn_C2ibKeF3DGvgOU0aKMQOISv3LAkL3w2VDrH3UFOxb_UA==
wrap.js
cdn.confiant-integrations.net/gptprebidnative/202402121010/
300 KB
107 KB
Script
General
Full URL
https://cdn.confiant-integrations.net/gptprebidnative/202402121010/wrap.js
Requested by
Host: cdn.confiant-integrations.net
URL: https://cdn.confiant-integrations.net/mOinGM9MTu5v-Lto835XLhlrSPY/gpt_and_prebid/config.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.144.166 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
83fb5073665d9434da512303204b7628f0e5905071c54bb50f0d46bf807b1963

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 19 Jun 2024 07:46:05 GMT
content-encoding
gzip
cf-cache-status
HIT
x-amz-request-id
CPJNVX3WBRE4ZCNK
age
6610287
x-amz-server-side-encryption
AES256
alt-svc
h3=":443"; ma=86400
content-length
109265
x-amz-id-2
e07/SAF/BZ1ID7UPSLRJVa5RvKYvSWp2sOAV2ESBALKyvwi4AqooiTQrsJdMRCRi0dU/l43xhzA=
last-modified
Mon, 12 Feb 2024 15:11:18 GMT
server
cloudflare
etag
"3d93a0af15b12fc9dbbc93edd96a2b7f"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
cache-control
public, max-age=31536000
accept-ranges
bytes
cf-ray
8961e73feb833a44-FRA
launchpad.bundle.js
launchpad.privacymanager.io/latest/
211 KB
44 KB
Script
General
Full URL
https://launchpad.privacymanager.io/latest/launchpad.bundle.js
Requested by
Host: launchpad-wrapper.privacymanager.io
URL: https://launchpad-wrapper.privacymanager.io/69e75073-3763-483e-a64c-0d281bfd9225/launchpad-liveramp.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.27.115 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-32-27-115.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
51165246fb565ed8eeaf6b084956b79a8d51ab0f7cfe7428200d69fea0772c56

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
ddXsuicoF_QgF0RNhBXdt7jLEpisSZO6
content-encoding
br
via
1.1 6c7a5d26be7fb35284e54d321f16b6f6.cloudfront.net (CloudFront)
date
Wed, 19 Jun 2024 07:08:22 GMT
last-modified
Thu, 06 Jun 2024 13:08:31 GMT
server
AmazonS3
x-amz-cf-pop
FRA56-C2
age
2264
x-amz-server-side-encryption
AES256
etag
W/"d26d2078d664109701125c69a0f600dd"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
application/x-javascript
cache-control
must-revalidate,public,max-age=3600
x-amz-cf-id
-p7jq1gbFWVofHASRvnlqh_1P8cE75Vcf6no8WoZ5DCjCyVP5Kehfg==
ping
pagead2.googlesyndication.com/pagead/
0
0
Fetch
General
Full URL
https://pagead2.googlesyndication.com/pagead/ping?e=1
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202406130101/pubads_impl.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.74.194 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra24s02-in-f2.1e100.net
Software
/
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

collect
o.clarity.ms/
0
282 B
XHR
General
Full URL
https://o.clarity.ms/collect
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/s/0.7.32/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
52.152.143.207 Washington, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
application/x-clarity-gzip
Referer
https://www.britannica.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Access-Control-Allow-Origin
https://www.britannica.com
Date
Wed, 19 Jun 2024 07:46:06 GMT
Access-Control-Allow-Credentials
true
Server
nginx
Connection
keep-alive
Vary
Origin
Request-Context
appId=cid-v1:238681e8-7d6b-453a-acb6-7dcad74f3111

Failed requests

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

Domain
c.amazon-adsystem.com
URL
https://c.amazon-adsystem.com/cdn/prod/config?src=600&u=https%3A%2F%2Fwww.britannica.com&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b

Verdicts & Comments Add Verdict or Comment

108 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| 6 object| 7 object| 8 object| 9 undefined| event object| fence object| sharedStorage object| $UI object| Constants string| CDN string| CAM_LOGIN_URL string| CAM_SIGN_UP_URL object| Mendel object| dataLayer object| adthrive object| IzWidget function| $ function| jQuery function| gaPageLoad object| EBStat function| targetPageParamsAll object| targetGlobalSettings object| adobe object| __target_telemetry object| ___target_traces function| mboxCreate function| mboxDefine function| mboxUpdate boolean| pageReadyForStatsCalls function| safeFirstPerformStatsWrite function| performStatsWrite function| writeStat function| buildStatUri function| buildStatQuery function| getHitCount function| setSessionIdCookie function| cookie function| getAccountId function| getSessionId function| performStatsWriteWhenReady object| __cfBeacon boolean| gtag_enable_tcf_support function| __tcfapi object| adthriveCLS object| apstag object| googletag object| pbjs object| google_tag_manager object| google_tag_data object| webpackChunkmendel number| 2f1acc6c3a606b082e5eef5e54414ffb string| __reactRouterVersion function| _ function| twq function| fbq function| _fbq function| clarity function| fireTargetRequests object| scrEm boolean| studentArticle object| _pbjsGlobals object| _aps boolean| apstagLOADED object| ggeac object| google_js_reporting_queue function| onYouTubeIframeAPIReady object| regeneratorRuntime object| twttr object| trx object| cmp object| cmpConfiguration object| nodeScript undefined| google_measure_js_timing object| google_reactive_ads_global_state object| default_ContributorServingResponseClientJs object| _F_toggles object| __googlefc string| __fcInvoked string| __fcexpdef string| MjBlMjQ3NjdhZDQ3ZTViMGxvYWRlcl9qcw== string| MjBlMjQ3NjdhZDQ3ZTViMGNhY2hlZF9qcw== object| googlefc object| __fcInternalApiManager boolean| __fcInternalApiPostMessageReady function| __uspapi object| __uspapiManager boolean| __uspapiPostMessageReady object| __gppEventListeners function| __gpp object| __gppManager boolean| __gppPostMessageReady string| GoogleAnalyticsObject function| ga object| gaGlobal object| gaplugins object| gaData object| _comscore object| confiant object| apscustom object| launchPad object| launchPadConfiguration function| __launchpad

30 Cookies

Domain/Path Name / Value
www.britannica.com/science Name: sessionId
Value: E7B2BEC9-B161-4486-8ECB-362727E94366
.britannica.com/ Name: bcomID
Value: -3174061673010281725
.britannica.com/ Name: SessionAuth
Value: j5yLatl6mMiLDzm5wxhmKDTRxkPTiGRoCYLNGIkoyZY1e/fFDtG8PNvaItFkw/ToMPkOumNVZLc=
.britannica.com/ Name: subreturn
Value: https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology
.britannica.com/ Name: webstats
Value: referer_page=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fbiology
.britannica.com/ Name: __mendel
Value: %7B%27surveyShown%27%3Afalse%2C%27visitedTopicId%27%3A66054%2C%27currentDate%27%3A20240619%7D
.britannica.com/ Name: __cf_bm
Value: 8c83z.eCX65a1EotrRNljuKsY1GK4ZCNUkAV5_bANUY-1718783164-1.0.1.1-1Zckm6WBxx2BjAuX2B6Dbd8YoVm9_0mKuy5MXlxJ0cI12Sc9WiWXx.LbesvVE.XABmGANfgmpBn1z4IwFEhqLA
.britannica.com/ Name: at_check
Value: true
.britannica.com/ Name: CAMLoginRedirectUrl
Value: https://www.britannica.com/science/biology
.britannica.com/ Name: mbox
Value: session#ee62272ce58c46f687990bdf651738c4#1718785025|PC#ee62272ce58c46f687990bdf651738c4.37_0#1782027965
.britannica.com/ Name: mboxEdgeCluster
Value: 37
www.britannica.com/ Name: JSESSIONID
Value: 0B4170645242A64D2AEE1C8988B70023
www.clarity.ms/ Name: CLID
Value: 4725f080373344c68e00ad05e345b5cf.20240619.20250619
.britannica.com/ Name: _fbp
Value: fb.1.1718783164904.938344746806227320
www.britannica.com/ Name: gdpr-auditId
Value: 3886c5607ca74929898c06e27684c516
.britannica.com/ Name: _clck
Value: qwb7df%7C2%7Cfmr%7C0%7C1631
.twitter.com/ Name: personalization_id
Value: "v1_69ThUve/sUoFpPSzfHxHvg=="
.t.co/ Name: muc_ads
Value: d75ac929-628e-4617-816b-65824048da98
www.britannica.com/ Name: geo-location
Value: {"country":"DE","region":"BY"}
.britannica.com/ Name: _ga_TE6YF92Y0D
Value: GS1.1.1718783164.1.0.1718783164.0.0.0
.britannica.com/ Name: _ga
Value: GA1.2.168908069.1718783165
.britannica.com/ Name: _gid
Value: GA1.2.107330146.1718783165
.britannica.com/ Name: _clsk
Value: 1uj1htr%7C1718783165410%7C1%7C0%7Co.clarity.ms%2Fcollect
.bing.com/ Name: MUID
Value: 3B07430B3AC46D8C248857A83B4F6CF5
.c.bing.com/ Name: MR
Value: 0
.c.bing.com/ Name: SRM_B
Value: 3B07430B3AC46D8C248857A83B4F6CF5
.c.clarity.ms/ Name: SM
Value: C
.clarity.ms/ Name: MUID
Value: 3B07430B3AC46D8C248857A83B4F6CF5
.c.clarity.ms/ Name: MR
Value: 0
.c.clarity.ms/ Name: ANONCHK
Value: 0

3 Console Messages

Source Level URL
Text
javascript error URL: https://www.britannica.com/science/biology
Message:
Access to XMLHttpRequest at 'https://c.amazon-adsystem.com/cdn/prod/config?src=600&u=https%3A%2F%2Fwww.britannica.com&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b' from origin 'https://www.britannica.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
network error URL: https://c.amazon-adsystem.com/cdn/prod/config?src=600&u=https%3A%2F%2Fwww.britannica.com&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b
Message:
Failed to load resource: net::ERR_FAILED
javascript warning URL: https://www.britannica.com/science/biology
Message:
The resource https://www.googletagservices.com/tag/js/gpt.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

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.

aax.amazon-adsystem.com
ads.adthrive.com
analytics.twitter.com
c.amazon-adsystem.com
c.bing.com
c.clarity.ms
cdn-magiclinks.trackonomics.net
cdn.britannica.com
cdn.confiant-integrations.net
cdn.jwplayer.com
cmp-consent-tool.privacymanager.io
config.aps.amazon-adsystem.com
connect.facebook.net
encyclopaediabritann.tt.omtrdc.net
fonts.googleapis.com
fonts.gstatic.com
fundingchoicesmessages.google.com
gdpr-wrapper.privacymanager.io
gdpr.privacymanager.io
geo.privacymanager.io
insitez.blob.core.windows.net
launchpad-wrapper.privacymanager.io
launchpad.privacymanager.io
mboxedge37.tt.omtrdc.net
o.clarity.ms
pagead2.googlesyndication.com
region1.google-analytics.com
securepubads.g.doubleclick.net
static.ads-twitter.com
static.cloudflareinsights.com
t.co
vendors.privacymanager.io
webstats.eb.com
www.britannica.com
www.clarity.ms
www.facebook.com
www.google-analytics.com
www.googletagmanager.com
www.googletagservices.com
c.amazon-adsystem.com
104.18.4.110
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13.32.99.89
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20.60.222.228
2001:4860:4802:34::36
2001:4860:4802:38::178
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