www.britannica.com
104.18.5.110  Public Scan Open in urlscan Pro

Internal
urlscan.io (IP) urlscan.io (Domain)
Effective Hostname
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Submitted URL
Google Safe Browsing Archive.org
Effective IP
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Add Verdict Report
URL:
https://www.britannica.com/biography/El-Cid-Castilian-military-leader 10yr old
Submission: On January 21 via api (January 21st 2026, 5:39:19 pm UTC) from IL — Scanned from CH
Summary HTTP 116 Redirects Links 23  Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 39 IPs in 8 countries across 29 domains to perform 116 HTTP transactions. The main IP is 104.18.5.110, located in Ascension Island and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is www.britannica.com. The Cisco Umbrella rank of the primary domain is 30688. 10yr old
TLS certificate: Issued by WE1 on December 20th 2025. Valid for: 3mo.
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
5 104.18.5.110 104.18.5.110 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
1 2a00:1450:400... 2a00:1450:4001:82b::2002 15169 (GOOGLE) (GOOGLE - Google LLC)
3 2a00:1450:400... 2a00:1450:4001:812::200a 15169 (GOOGLE) (GOOGLE - Google LLC)
26 3.165.113.74 3.165.113.74 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
3 2a00:1450:400... 2a00:1450:4001:80e::2008 15169 (GOOGLE) (GOOGLE - Google LLC)
1 3.160.150.105 3.160.150.105 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
9 172.67.149.20 172.67.149.20 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
2 2600:1901:0:7... 2600:1901:0:7f7d:: 396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM - Google LLC)
1 2606:4700::68... 2606:4700::6810:4f49 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
7 34.107.218.251 34.107.218.251 396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM - Google LLC)
4 142.250.185.66 142.250.185.66 15169 (GOOGLE) (GOOGLE - Google LLC)
1 65.9.95.30 65.9.95.30 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 13.227.192.33 13.227.192.33 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
3 13.227.183.90 13.227.183.90 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 142.250.185.67 142.250.185.67 15169 (GOOGLE) (GOOGLE - Google LLC)
10 2606:4700:10:... 2606:4700:10::6814:20c9 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
4 172.64.144.166 172.64.144.166 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
1 2600:9000:207... 2600:9000:207f:e00:8:8845:1500:93a1 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 162.55.95.177 162.55.95.177 24940 (HETZNER-A...) (HETZNER-AS Hetzner Online GmbH)
1 18.239.18.66 18.239.18.66 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 3 18.239.83.91 18.239.83.91 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
2 57.144.244.128 57.144.244.128 32934 (FACEBOOK) (FACEBOOK - Facebook)
1 20.250.198.32 20.250.198.32 8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation)
4 23.45.96.101 23.45.96.101 16625 (AKAMAI-AS) (AKAMAI-AS - Akamai Technologies)
1 13.227.192.51 13.227.192.51 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 2606:4700:10:... 2606:4700:10::6814:1661 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
1 35.172.197.64 35.172.197.64 14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
2 18.245.86.80 18.245.86.80 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 2620:1ec:bdf::45 2620:1ec:bdf::45 8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation)
2 2001:4860:480... 2001:4860:4802:34::36 15169 (GOOGLE) (GOOGLE - Google LLC)
1 2a00:1450:400... 2a00:1450:400c:c0d::9c 15169 (GOOGLE) (GOOGLE - Google LLC)
1 2a00:1450:400... 2a00:1450:4001:81d::2003 15169 (GOOGLE) (GOOGLE - Google LLC)
1 54.77.57.199 54.77.57.199 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 2600:1900:424... 2600:1900:4240:200:: 396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM - Google LLC)
3 57.144.248.1 57.144.248.1 32934 (FACEBOOK) (FACEBOOK - Facebook)
1 2a02:fa8:8806... 2a02:fa8:8806:20::2100 41041 (VCLK-EU-S...) (VCLK-EU-SE Conversant LLC)
2 20.57.85.160 20.57.85.160 8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation)
1 2 2620:1ec:46::44 2620:1ec:46::44 8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation)
1 1 2620:1ec:33::10 2620:1ec:33::10 8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation)
116 39
5    104.18.5.110 (Ascension Island)
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ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
www.britannica.com 10yr old
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1    2a00:1450:4001:82b::2002 (Frankfurt am Main, Germany)
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26    3.165.113.74 (United States)
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3    2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)
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1    3.160.150.105 (United States)
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9    172.67.149.20 (Ascension Island)
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4    142.250.185.66 (United States)
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1    65.9.95.30 (United States)
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1    13.227.192.33 (United States)
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3    13.227.183.90 (United States)
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1    142.250.185.67 (United States)
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10    2606:4700:10::6814:20c9 (None, )
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4    172.64.144.166 (Ascension Island)
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1    162.55.95.177 (Falkenstein, Germany)
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1    18.239.18.66 (United States)
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3    18.239.83.91 (United States) 1 redirects
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2    57.144.244.128 (Frankfurt am Main, Germany)
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1    20.250.198.32 (Zurich, Switzerland)
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4    23.45.96.101 (Frankfurt am Main, Germany)
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1    13.227.192.51 (United States)
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1    35.172.197.64 (Ashburn, United States)
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2    18.245.86.80 (United States)
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1    2620:1ec:bdf::45 (United States)
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1    54.77.57.199 (Dublin, Ireland)
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2    20.57.85.160 (Boydton, United States)
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Apex Domain
Subdomains		 Transfer
31 britannica.com
www.britannica.com — Cisco Umbrella Rank: 30688 10yr old
cdn.britannica.com — Cisco Umbrella Rank: 20657 8yr old
482 KB
10 kueezrtb.com
static.kueezrtb.com — Cisco Umbrella Rank: 9213 3yr old
track.kueezrtb.com — Cisco Umbrella Rank: 8951 4yr old
gtrack.kueezrtb.com — Cisco Umbrella Rank: 8974 3yr old
otrack.kueezrtb.com — Cisco Umbrella Rank: 9030 2yr old
37 KB
9 visualwebsiteoptimizer.com
dev.visualwebsiteoptimizer.com — Cisco Umbrella Rank: 2458 10yr old
268 KB
9 ay.delivery
jryhoywlyxnlymahs.ay.delivery — Cisco Umbrella Rank: 48164 3yr old
431 KB
6 clarity.ms 1 redirects
www.clarity.ms — Cisco Umbrella Rank: 560 8yr old
scripts.clarity.ms — Cisco Umbrella Rank: 760 1yr old
e.clarity.ms — Cisco Umbrella Rank: 5405 5yr old
c.clarity.ms — Cisco Umbrella Rank: 1204 5yr old
29 KB
5 amazon-adsystem.com
config.aps.amazon-adsystem.com — Cisco Umbrella Rank: 885 3yr old
client.aps.amazon-adsystem.com — Cisco Umbrella Rank: 2649 3yr old
c.amazon-adsystem.com — Cisco Umbrella Rank: 435 13yr old
175 KB
5 doubleclick.net
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 281 10yr old
stats.g.doubleclick.net — Cisco Umbrella Rank: 197 10yr old
251 KB
4 fastclick.net
secure.cdn.fastclick.net — Cisco Umbrella Rank: 1409 13yr old
94 KB
4 confiant-integrations.net
cdn.confiant-integrations.net — Cisco Umbrella Rank: 1968 4yr old
380 KB
4 privacymanager.io
launchpad-wrapper.privacymanager.io — Cisco Umbrella Rank: 2354 5yr old
launchpad.privacymanager.io — Cisco Umbrella Rank: 1904 5yr old
geo.privacymanager.io — Cisco Umbrella Rank: 1994 6yr old
46 KB
3 facebook.com
www.facebook.com — Cisco Umbrella Rank: 128 11yr old
216 B
3 scorecardresearch.com 1 redirects
sb.scorecardresearch.com — Cisco Umbrella Rank: 219 10yr old
7 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 51 13yr old
408 KB
3 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 57 10yr old
3 KB
2 google.com
region1.analytics.google.com — Cisco Umbrella Rank: 3254 5yr old
2 crwdcntrl.net
tags.crwdcntrl.net — Cisco Umbrella Rank: 1186 13yr old
bcp.crwdcntrl.net — Cisco Umbrella Rank: 1229 10yr old
14 KB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 244 13yr old
209 KB
1 bing.com 1 redirects
c.bing.com — Cisco Umbrella Rank: 228 13yr old
774 B
1 dotomi.com
proc.ad.cpe.dotomi.com — Cisco Umbrella Rank: 4777 6yr old
465 B
1 run.app
mpc-prod-21-1053047382554.us-central1.run.app — Cisco Umbrella Rank: 17281 8mo old
1 google.ch
www.google.ch — Cisco Umbrella Rank: 26079 10yr old
408 B
1 eb.com
webstats.eb.com — Cisco Umbrella Rank: 45846 7yr old
270 B
1 hadronid.net
cdn.hadronid.net — Cisco Umbrella Rank: 1865 4yr old
350 B
1 assertcom.de
api.assertcom.de — Cisco Umbrella Rank: 5296 9yr old
311 B
1 liadm.com
b-code.liadm.com — Cisco Umbrella Rank: 3543 9yr old
44 KB
1 gstatic.com
fonts.gstatic.com 10yr old
125 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 372 7yr old
7 KB
1 googletagservices.com
www.googletagservices.com — Cisco Umbrella Rank: 424 10yr old
34 KB
0 ipapi.co Failed
ipapi.co Failed 10yr old
116 29
Domain Requested by
26 cdn.britannica.com www.britannica.com
jryhoywlyxnlymahs.ay.delivery
9 dev.visualwebsiteoptimizer.com www.britannica.com
jryhoywlyxnlymahs.ay.delivery
9 jryhoywlyxnlymahs.ay.delivery www.britannica.com
jryhoywlyxnlymahs.ay.delivery
5 www.britannica.com jryhoywlyxnlymahs.ay.delivery
cdn.britannica.com
static.cloudflareinsights.com
4 secure.cdn.fastclick.net jryhoywlyxnlymahs.ay.delivery
4 cdn.confiant-integrations.net jryhoywlyxnlymahs.ay.delivery
cdn.confiant-integrations.net
4 securepubads.g.doubleclick.net www.britannica.com
securepubads.g.doubleclick.net
3 www.facebook.com connect.facebook.net
www.britannica.com
3 sb.scorecardresearch.com 1 redirects www.britannica.com
3 gtrack.kueezrtb.com static.kueezrtb.com
www.britannica.com
3 track.kueezrtb.com static.kueezrtb.com
www.britannica.com
3 c.amazon-adsystem.com jryhoywlyxnlymahs.ay.delivery
c.amazon-adsystem.com
3 www.googletagmanager.com www.britannica.com
www.googletagmanager.com
3 fonts.googleapis.com www.britannica.com
cdn.britannica.com
2 c.clarity.ms 1 redirects
2 e.clarity.ms scripts.clarity.ms
2 region1.analytics.google.com www.googletagmanager.com
2 otrack.kueezrtb.com www.britannica.com
2 geo.privacymanager.io launchpad.privacymanager.io
2 connect.facebook.net www.britannica.com
connect.facebook.net
2 static.kueezrtb.com jryhoywlyxnlymahs.ay.delivery
static.kueezrtb.com
1 c.bing.com 1 redirects
1 proc.ad.cpe.dotomi.com secure.cdn.fastclick.net
1 mpc-prod-21-1053047382554.us-central1.run.app connect.facebook.net
1 bcp.crwdcntrl.net tags.crwdcntrl.net
1 www.google.ch www.britannica.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 scripts.clarity.ms www.clarity.ms
1 webstats.eb.com www.britannica.com
1 cdn.hadronid.net www.britannica.com
1 tags.crwdcntrl.net jryhoywlyxnlymahs.ay.delivery
1 www.clarity.ms www.britannica.com
1 launchpad.privacymanager.io launchpad-wrapper.privacymanager.io
1 api.assertcom.de jryhoywlyxnlymahs.ay.delivery
1 b-code.liadm.com jryhoywlyxnlymahs.ay.delivery
1 fonts.gstatic.com fonts.googleapis.com
1 client.aps.amazon-adsystem.com www.britannica.com
1 config.aps.amazon-adsystem.com www.britannica.com
1 static.cloudflareinsights.com www.britannica.com
1 launchpad-wrapper.privacymanager.io www.britannica.com
1 www.googletagservices.com www.britannica.com
0 ipapi.co Failed www.britannica.com
116 42
Subject Issuer Validity Valid
www.britannica.com
WE1		 2025-12-20 -
2026-03-20		 3mo crt.sh
*.g.doubleclick.net
WE2		 2025-12-29 -
2026-03-23		 3mo crt.sh
upload.video.google.com
WE2		 2025-12-29 -
2026-03-23		 3mo crt.sh
cdn.britannica.com
Amazon RSA 2048 M03		 2025-06-10 -
2026-07-07		 1yr crt.sh
*.google-analytics.com
WE2		 2025-12-29 -
2026-03-23		 3mo crt.sh
*.privacymanager.io
Amazon RSA 2048 M03		 2025-05-26 -
2026-06-23		 1yr crt.sh
ay.delivery
WE1		 2025-12-05 -
2026-03-05		 3mo crt.sh
*.visualwebsiteoptimizer.com
Starfield Secure Certificate Authority - G2		 2025-06-30 -
2026-07-06		 1yr crt.sh
cloudflareinsights.com
WE1		 2025-12-20 -
2026-03-20		 3mo crt.sh
config.aps.amazon-adsystem.com
Amazon RSA 2048 M04		 2025-11-23 -
2026-12-22		 1yr crt.sh
client.aps.amazon-adsystem.com
Amazon RSA 2048 M04		 2025-10-22 -
2026-11-20		 1yr crt.sh
c.amazon-adsystem.com
Amazon RSA 2048 M04		 2025-10-20 -
2026-11-18		 1yr crt.sh
*.gstatic.com
WE2		 2025-12-29 -
2026-03-23		 3mo crt.sh
kueezrtb.com
WE1		 2025-11-26 -
2026-02-24		 3mo crt.sh
confiant-integrations.net
WE1		 2025-12-25 -
2026-03-25		 3mo crt.sh
*.liadm.com
Amazon RSA 2048 M04		 2025-09-30 -
2026-10-28		 1yr crt.sh
api.assertcom.de
R12		 2025-12-06 -
2026-03-06		 3mo crt.sh
*.facebook.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2025-10-31 -
2026-01-29		 3mo crt.sh
a.tag.clarity.ms
Microsoft Azure RSA TLS Issuing CA 08		 2025-08-27 -
2026-02-23		 6mo crt.sh
secure.cdn.fastclick.net
DigiCert Global G3 TLS ECC SHA384 2020 CA1		 2025-06-08 -
2026-06-09		 1yr crt.sh
*.crwdcntrl.net
Amazon RSA 2048 M04		 2025-08-09 -
2026-09-07		 1yr crt.sh
hadronid.net
WE1		 2026-01-10 -
2026-04-10		 3mo crt.sh
*.eb.com
Amazon RSA 2048 M03		 2025-07-09 -
2026-08-06		 1yr crt.sh
scripts.clarity.ms
DigiCert TLS RSA SHA256 2020 CA1		 2025-07-29 -
2026-04-14		 9mo crt.sh
*.google.ch
WE2		 2025-12-29 -
2026-03-23		 3mo crt.sh
*.scorecardresearch.com
Sectigo Public Server Authentication CA OV R36		 2025-10-09 -
2026-10-09		 1yr crt.sh
*.a.run.app
WR2		 2025-12-09 -
2026-03-03		 3mo crt.sh
ad.cpe.dotomi.com
GlobalSign RSA OV SSL CA 2018		 2025-07-07 -
2026-08-08		 1yr crt.sh
a.clarity.ms
Microsoft Azure RSA TLS Issuing CA 04		 2025-09-22 -
2026-08-25		 1yr crt.sh

This page contains 2 frames:

Primary Page: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Frame ID: 9AA1271E5B74664155B27F9829444C41
Requests: 114 HTTP requests in this frame

Frame: blob://https://www.britannica.com/a0b690fd-2732-4a9c-b48f-2cbc30d6fcae
Frame ID: 1C3AB915F9F196364EB1E24A078AB338
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

El Cid | Biography & Facts | Britannica

Detected technologies

(Analytics)
Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
(Advertising)
Overall confidence: 100%
Detected patterns
  • \.doubleclick\.net
(Advertising)
Overall confidence: 100%
Detected patterns
  • googletagservices\.com/tag/js/gpt(?:_mobile)?\.js
(Analytics)
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js
(Tag managers)
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • \.googletagmanager\.com/
(Analytics)
Overall confidence: 100%
Detected patterns
  • dev\.visualwebsiteoptimizer\.com/
(JavaScript libraries)
Overall confidence: 100%
Detected patterns
  • jquery
  • /jquery(?:-(\d+\.\d+\.\d+))[/.-]
(Advertising)
Overall confidence: 100%
Detected patterns
  • \.amazon-adsystem\.com
(Security)
Overall confidence: 100%
Detected patterns
(Analytics)
Overall confidence: 100%
Detected patterns
  • connect\.facebook\.\w+/.+/fbevents\.js
  • connect\.facebook.\w+/signals/config/\d+\?v=([\d\.]+)
(Advertising)
Overall confidence: 100%
Detected patterns
  • googletagservices\.com/tag/js/gpt\.js
  • securepubads\.g\.doubleclick.net/tag/js/gpt\.js
(Email)
Overall confidence: 100%
Detected patterns
  • \.liadm\.com

Page Statistics

116
Requests

96 %
HTTPS

41 %
IPv6

29
Domains

42
Subdomains

39
IPs

8
Countries

3044 kB
Transfer

10337 kB
Size

35
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 55
  • https://sb.scorecardresearch.com/cs/6035486/beacon.js HTTP 302
  • https://sb.scorecardresearch.com/internal-cs/default/beacon.js
Request Chain 110
  • https://c.clarity.ms/c.gif HTTP 302
  • https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=683E4167F20F46079551A16EA5B1ED22&RedC=c.clarity.ms&MXFR=12CBF4FBFA1C6DB10592E213FE1C6331 HTTP 302
  • https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=683E4167F20F46079551A16EA5B1ED22&MUID=25205CE4D64B665B2FB14A0CD7E767F5

116 HTTP transactions
0 data transactions

Method
Protocol		 Status Resource
Path		 Size
x-fer		 Time
Latency		 Type
MIME-Type		 IP
Location
GET
H3 		200
 Primary Request El-Cid-Castilian-military-leader Show response
www.britannica.com/biography/ 		102 KB
26 KB 		633ms
591ms 		Document
text/html		 104.18.5.110
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.5.110 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
20fa7f5b3d9ace3b8ec409731e4709ad4060eeac4137ef47d7211a0f98cf47fa
Security Headers
Name Value
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
9c18971e694e70cb-ZRH
content-encoding
gzip
content-language
de-CH
content-type
text/html;charset=UTF-8
date
Wed, 21 Jan 2026 17:39:20 GMT
expect-ct
max-age=604800
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
priority
u=0,i
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZVBch8%2FqYeUUa8KLiPi4SmNUJI3tvCcDCXkXX8IUFGoijI1XqmAXomjMiozlsueulNNqq5h80CoBuCHOogus0RW%2B0aZz6Z8p%2Bn8krevv767IxHYNRnYE91SlHgTn%2FvXnP6KLsQ%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
server-timing
cfCacheStatus;desc="DYNAMIC" cfOrigin;dur=552,cfEdge;dur=22 cfExtPri
vary
Accept-Encoding,User-Agent
x-iset
green
x-permitted-cross-domain-policies
master-only
x-xss-protection
1; mode=block
GET
H2 		200
 gpt.js Show response
www.googletagservices.com/tag/js/ 		105 KB
34 KB 		93ms
35ms 		Script
text/javascript		 2a00:1450:4001:82b::2002
Google LLC
General
Check archive.org
Download Go to
Full URL
https://www.googletagservices.com/tag/js/gpt.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
e3be97e93d37d5d0a09bcdb028882b3611bb4f817f3d88c8760137601e76dcf5
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

content-encoding
br
etag
335 / 20474 / m202601150101 / config-hash: 17095365778927917866
x-content-type-options
nosniff
expires
Wed, 21 Jan 2026 17:39:20 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
date
Wed, 21 Jan 2026 17:39:20 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
content-disposition
attachment; filename="f.txt"
cache-control
private, max-age=900, stale-while-revalidate=3600
timing-allow-origin
*
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
content-length
34260
x-xss-protection
0
server
cafe
GET
H2 		200
 icon
fonts.googleapis.com/ 		569 B
811 B 		80ms
29ms 		Stylesheet
text/css		 2a00:1450:4001:812::200a
Google LLC
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/icon?family=Material+Icons
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:1450:4001:812::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
e8c6cdaa1c533d3f67707d78451c5ed9541f77c70a8fc79b0ca6f235263bef7c
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

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

content-encoding
gzip
x-content-type-options
nosniff
expires
Wed, 21 Jan 2026 17:39:20 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 21 Jan 2026 17:39:20 GMT
content-type
text/css; charset=utf-8
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified
Wed, 21 Jan 2026 17:39:20 GMT
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
x-xss-protection
0
server
ESF
GET
H2 		200
 _tailwind.css
cdn.britannica.com/mendel-resources/3-171/dist/ 		57 KB
10 KB 		107ms
31ms 		Stylesheet
text/css		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://cdn.britannica.com/mendel-resources/3-171/dist/_tailwind.css?v=3.171.18
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
ccc8131bda03efcc843a03f7327763ccae7610c31291e791aeaf40543751940c

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

x-amz-cf-pop
CDG50-P3
content-encoding
gzip
etag
W/"8d8826baf233c01c6d7cdee20fad6765"
age
77535
via
1.1 03e2d5ba2dd06b88c06c75c722d844d2.cloudfront.net (CloudFront)
alt-svc
h3=":443"; ma=86400
x-cache
Hit from cloudfront
x-amz-cf-id
1FDlz3md-hJt_b6KOVbkg4JBU4qpmcX3BNUsh3ivrE-QhaSqDx_lfA==
date
Wed, 21 Jan 2026 06:21:37 GMT
content-type
text/css
vary
accept-encoding
server
AmazonS3
last-modified
Thu, 15 Jan 2026 18:47:45 GMT
x-amz-server-side-encryption
AES256
GET
H2 		200
 vendor-bundle.css
cdn.britannica.com/mendel-resources/3-171/dist/ 		179 KB
29 KB 		109ms
33ms 		Stylesheet
text/css		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://cdn.britannica.com/mendel-resources/3-171/dist/vendor-bundle.css?v=3.171.18
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
4b6d3d67c8fdec89edbc4d2177ec629545883c5831bcdd7d1e8d87ebc9cac848

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

x-amz-cf-pop
CDG50-P3
content-encoding
gzip
etag
W/"5d555fe254c8e58140f100ec547c1903"
age
77535
via
1.1 03e2d5ba2dd06b88c06c75c722d844d2.cloudfront.net (CloudFront)
alt-svc
h3=":443"; ma=86400
x-cache
Hit from cloudfront
x-amz-cf-id
xYgeu7ppZvvSeKYJ3fNyWCW2lewpNk8JxClubkLxfMs0rNzn2FnkAw==
date
Wed, 21 Jan 2026 06:21:37 GMT
content-type
text/css
vary
accept-encoding
server
AmazonS3
last-modified
Thu, 15 Jan 2026 18:47:46 GMT
x-amz-server-side-encryption
AES256
GET
H2 		200
 mendel-css.css
cdn.britannica.com/mendel-resources/3-171/dist/ 		212 KB
33 KB 		108ms
32ms 		Stylesheet
text/css		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://cdn.britannica.com/mendel-resources/3-171/dist/mendel-css.css?v=3.171.18
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
850716426de88e918c0b9c6bdd9071419c5763597d0c84fe377fb654704b6c85

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

x-amz-cf-pop
CDG50-P3
content-encoding
gzip
etag
W/"88aab12920509c12ec9a3c24b19ce73f"
age
77535
via
1.1 03e2d5ba2dd06b88c06c75c722d844d2.cloudfront.net (CloudFront)
alt-svc
h3=":443"; ma=86400
x-cache
Hit from cloudfront
x-amz-cf-id
Hc4XCcDb8llG-xrmEdJLlQxHMKorfmhFP3TZJLTuSxzYoKFbV0C0Hw==
date
Wed, 21 Jan 2026 06:21:37 GMT
content-type
text/css
vary
accept-encoding
server
AmazonS3
last-modified
Thu, 15 Jan 2026 18:47:45 GMT
x-amz-server-side-encryption
AES256
GET
H2 		200
 topic-page.css
cdn.britannica.com/mendel-resources/3-171/dist/ 		387 KB
32 KB 		112ms
36ms 		Stylesheet
text/css		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://cdn.britannica.com/mendel-resources/3-171/dist/topic-page.css?v=3.171.18
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
67c3da28a6b1d06ac273576ff99003156741c4b678689244f4021e18fbf2e993

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

x-amz-cf-pop
CDG50-P3
content-encoding
gzip
etag
W/"8cdf94020510e1cdebb091389370c8cf"
age
40656
via
1.1 03e2d5ba2dd06b88c06c75c722d844d2.cloudfront.net (CloudFront)
alt-svc
h3=":443"; ma=86400
x-cache
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content-type
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Google LLC
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-5W6NC8
Requested by
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Request headers

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Response headers

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content-type
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107 KB 		100ms
52ms 		Script
application/javascript		 2a00:1450:4001:80e::2008
Google LLC
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-KRJ753NG
Requested by
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Request headers

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Response headers

content-encoding
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alt-svc
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date
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21ms 		Script
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Amazon.com
General
Check archive.org
Download Go to
Full URL
https://launchpad-wrapper.privacymanager.io/0ccc6fe8-1870-4ad8-b47b-6d029ac116fc/launchpad-liveramp.js
Requested by
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x-amz-cf-pop
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AmazonS3
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34 KB 		55ms
29ms 		Script
text/javascript		 172.67.149.20
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://jryhoywlyxnlymahs.ay.delivery/manager/JRyhoywLYXNLYMAhs
Requested by
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content-type
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vary
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server
cloudflare
priority
u=1,i=?0
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dev.visualwebsiteoptimizer.com/ 		36 KB
12 KB 		71ms
31ms 		XHR
application/javascript		 2600:1901:0:7f7d::
Google LLC
General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/j.php?a=698824&u=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&vn=2.1&x=true
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Response headers

strict-transport-security
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content-type
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vary
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server
gfra1
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Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.britannica.com/mendel-resources/3-171/images/chatbot/star-ai.svg?v=3.171.18
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Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.britannica.com/08/124408-004-562BA9B7/Cid-sculpture-Balboa-Park-San-Diego.jpg?w=300
Requested by
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H2
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Response headers

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31 KB 		97ms
34ms 		Script
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Amazon.com
General
Check archive.org
Download Go to
Full URL
https://cdn.britannica.com/mendel-resources/3-171/js/libs/jquery-3.5.0.min.js?v=3.171.18
Requested by
Host: www.britannica.com
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Protocol
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x-amz-server-side-encryption
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31ms 		Script
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Cloudflare
General
Check archive.org
Download Go to
Full URL
https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Requested by
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Request headers

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Google LLC
General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/cdn/edrv/beta/worker-1863d6aa8f79bd9f31662c1d4f9b7cfa.br.js
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H3
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QUIC, , AES_128_GCM
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Google LLC
General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/cdn/edrv/beta/va_gq-b919d511ff242dbe11d5ad59bf40292c.br.js
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Google LLC
General
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https://dev.visualwebsiteoptimizer.com/v.gif?cd=0&a=698824&d=britannica.com&u=D00389FDE3B4DCB5A63991D9E8ACA492F&h=434d9368e33e7e6edf2a5a93f9aae1e9&t=false
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Security
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Reverse DNS
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Response headers

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GET
H3 		200
 gpt.js Show response
securepubads.g.doubleclick.net/tag/js/ 		103 KB
33 KB 		75ms
39ms 		Script
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Google LLC
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https://securepubads.g.doubleclick.net/tag/js/gpt.js
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Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
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Request headers

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Response headers

content-encoding
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x-content-type-options
nosniff
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47 KB 		34ms
33ms 		Script
text/javascript		 172.67.149.20
Cloudflare
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https://jryhoywlyxnlymahs.ay.delivery/manager-script/yield-manager-script-v3.8.1-prod
Requested by
Host: www.britannica.com
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36 KB 		20ms
19ms 		Script
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Cloudflare
General
Check archive.org
Download Go to
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https://jryhoywlyxnlymahs.ay.delivery/client-v2.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
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Request headers

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Response headers

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priority
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57 KB 		23ms
23ms 		Script
application/javascript		 172.67.149.20
Cloudflare
General
Check archive.org
Download Go to
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https://jryhoywlyxnlymahs.ay.delivery/forest/JRyhoywLYXNLYMAhs/js/bid/forest.min.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
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Response headers

content-encoding
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priority
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cache-control
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GET
H2 		200
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config.aps.amazon-adsystem.com/configs/ 		531 B
804 B 		113ms
37ms 		Script
application/javascript		 65.9.95.30
Amazon.com
General
Check archive.org
Download Go to
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https://config.aps.amazon-adsystem.com/configs/3022
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
65.9.95.30 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
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User-Agent
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Response headers

cache-control
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content-type
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x-amz-cf-pop
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server
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H2 		200
 publisher.js Show response
client.aps.amazon-adsystem.com/ 		343 KB
79 KB 		109ms
33ms 		Script
application/javascript		 13.227.192.33
Amazon.com
General
Check archive.org
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https://client.aps.amazon-adsystem.com/publisher.js
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Referer

Response headers

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alt-svc
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163 KB 		34ms
34ms 		Script
text/javascript		 172.67.149.20
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://jryhoywlyxnlymahs.ay.delivery/manager-script/JRyhoywLYXNLYMAhs.deploy?v=5kkTHWcoA5WSR5qy3
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
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Reverse DNS
Software
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Request headers

User-Agent
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Response headers

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priority
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Google LLC
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Check archive.org
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https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap
Requested by
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Referer
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Response headers

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Wed, 21 Jan 2026 17:39:20 GMT
alt-svc
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391 B 		35ms
35ms 		Stylesheet
text/css		 2a00:1450:4001:812::200a
Google LLC
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Check archive.org
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https://fonts.googleapis.com/css2?family=Fugaz+One&display=swap
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Host: cdn.britannica.com
URL: https://cdn.britannica.com/mendel-resources/3-171/dist/topic-page.css?v=3.171.18
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Security
TLS 1.3, , AES_256_GCM
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31 KB 		19ms
19ms 		Script
application/javascript		 172.67.149.20
Cloudflare
General
Check archive.org
Download Go to
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https://jryhoywlyxnlymahs.ay.delivery/floorPrice/v5/JRyhoywLYXNLYMAhs?t=1769017159375&d=www.britannica.com
Requested by
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Protocol
H3
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QUIC, , AES_128_GCM
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Software
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Request headers

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Referer
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Response headers

cache-control
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nel
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alt-svc
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cfExtPri
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Wed, 21 Jan 2026 17:39:20 GMT
content-type
application/javascript
vary
accept-encoding
server
cloudflare
priority
u=3,i=?0
GET
H2 		200
 apstag.js Show response
c.amazon-adsystem.com/aax2/ 		343 KB
88 KB 		115ms
36ms 		Script
application/javascript		 13.227.183.90
Amazon.com
General
Check archive.org
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https://c.amazon-adsystem.com/aax2/apstag.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/manager/JRyhoywLYXNLYMAhs
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Referer
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Response headers

vary
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cache-control
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content-encoding
gzip
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date
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content-type
application/javascript
x-amz-cf-pop
FRA56-P14, PRG50-P2
server
AmazonS3
last-modified
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x-amz-server-side-encryption
AES256
GET
H3 		200
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fonts.gstatic.com/s/materialicons/v145/ 		125 KB
125 KB 		50ms
22ms 		Font
font/woff2		 142.250.185.67
Google LLC
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/materialicons/v145/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/icon?family=Material+Icons
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.67 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s48-in-f3.1e100.net
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Origin
https://www.britannica.com
Referer
https://fonts.googleapis.com/

Response headers

age
121534
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
nosniff
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alt-svc
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date
Tue, 20 Jan 2026 07:53:46 GMT
last-modified
Wed, 17 Sep 2025 16:29:55 GMT
content-type
font/woff2
cache-control
public, max-age=31536000
timing-allow-origin
*
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same-origin; report-to="apps-themes"
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accept-ranges
bytes
access-control-allow-origin
*
content-length
128352
x-xss-protection
0
server
sffe
GET
H3 		200
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cdn.britannica.com/mendel/eb-logo/ 		3 KB
3 KB 		30ms
29ms 		Image
image/webp		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.britannica.com/mendel/eb-logo/MendelNewThistleLogo.png
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
/
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cache-control
public, max-age=31536000
content-encoding
gzip
x-amz-apigw-id
XDGe_FQiIAMEgIw=
age
835100
x-amzn-trace-id
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alt-svc
h3=":443"; ma=86400
x-cache
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content-length
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x-amz-cf-id
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date
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content-type
image/webp
x-amz-cf-pop
CDG50-P3, CDG50-P3
GET
H3 		200
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cdn.britannica.com/08/124408-004-562BA9B7/ 		27 KB
27 KB 		32ms
31ms 		Image
image/webp		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.britannica.com/08/124408-004-562BA9B7/Cid-sculpture-Balboa-Park-San-Diego.jpg
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
/
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cache-control
public, max-age=31536000
x-amz-apigw-id
Tw9PVH5AoAMEjlA=
age
6343911
x-amzn-trace-id
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via
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alt-svc
h3=":443"; ma=86400
x-cache
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content-length
27464
x-amz-cf-id
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date
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content-type
image/webp
x-amz-cf-pop
CDG50-P3, CDG50-P3
GET
H3 		200
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cdn.britannica.com/mendel-resources/3-171/images/shared/ 		12 KB
5 KB 		31ms
31ms 		Image
image/svg+xml		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.britannica.com/mendel-resources/3-171/images/shared/new-thistle.svg?v=3.171.18
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-3-165-113-74.cdg50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

vary
accept-encoding
content-encoding
gzip
etag
W/"e15b6637cce2f173fd7811066095e1cd"
age
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via
1.1 2d2a52e6a3e5c25c93ad74a35ed41b4c.cloudfront.net (CloudFront)
alt-svc
h3=":443"; ma=86400
x-cache
Hit from cloudfront
x-amz-cf-id
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content-type
image/svg+xml
last-modified
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server
AmazonS3
x-amz-cf-pop
CDG50-P3
x-amz-server-side-encryption
AES256
GET
H3 		200
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securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202601150101/ 		614 KB
193 KB 		20ms
20ms 		Script
text/javascript		 142.250.185.66
Google LLC
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202601150101/pubads_impl.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/tag/js/gpt.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.66 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

content-encoding
br
etag
15385727690209925050
age
4184
x-content-type-options
nosniff
expires
Thu, 21 Jan 2027 16:29:36 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
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date
Wed, 21 Jan 2026 16:29:36 GMT
content-disposition
attachment; filename="f.txt"
content-type
text/javascript; charset=UTF-8
vary
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cache-control
public, immutable, max-age=31536000
timing-allow-origin
*
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
content-length
197997
x-xss-protection
0
server
cafe
GET
H3 		200
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securepubads.g.doubleclick.net/pagead/ 		2 KB
558 B 		43ms
42ms 		Fetch
application/json		 142.250.185.66
Google LLC
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/pagead/ppub_config?ippd=www.britannica.com
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/tag/js/gpt.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.66 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s48-in-f2.1e100.net
Software
cafe /
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cache-control
private, max-age=3600, stale-while-revalidate=3600
timing-allow-origin
*
content-encoding
br
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Wed, 21 Jan 2026 17:39:20 GMT
access-control-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
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content-length
533
date
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x-xss-protection
0
content-type
application/json; charset=UTF-8
content-disposition
attachment; filename="f.txt"
server
cafe
GET
H2 		200
 latest.js Show response
static.kueezrtb.com/ 		1 KB
1 KB 		84ms
29ms 		Script
text/javascript		 2606:4700:10::6814:20c9
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://static.kueezrtb.com/latest.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/manager-script/yield-manager-script-v3.8.1-prod
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Origin
https://www.britannica.com
Referer
https://www.britannica.com/

Response headers

access-control-expose-headers
x-amz-meta-access-control-allow-origin, x-amz-meta-access-control-allow-methods
content-encoding
br
cf-cache-status
HIT
etag
W/"bfed549a7a818520144d1b1e2f334d9b"
age
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access-control-allow-methods
GET, HEAD
date
Wed, 21 Jan 2026 17:39:20 GMT
content-type
text/javascript
vary
Origin, Access-Control-Request-Headers, Access-Control-Request-Method, accept-encoding
last-modified
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x-amz-id-2
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cache-control
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x-amz-request-id
TYEDBCJ16MDSGZ2R
cf-ray
9c189724db1f9a39-FRA
access-control-allow-origin
*
server
cloudflare
GET
H3 		200
 config.js Show response
cdn.confiant-integrations.net/bDEvaLBKr59eQh0skkFpECBYKXY/gpt_and_prebid/ 		296 KB
61 KB 		51ms
25ms 		Script
text/javascript		 172.64.144.166
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://cdn.confiant-integrations.net/bDEvaLBKr59eQh0skkFpECBYKXY/gpt_and_prebid/config.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/manager-script/yield-manager-script-v3.8.1-prod
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.64.144.166 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
"8ec99dc0facc4ed77f84e1e3c16072a1"
age
116
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
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content-type
text/javascript
last-modified
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vary
accept-encoding
priority
u=3,i=?0
x-amz-id-2
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accept-ranges
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content-length
61830
server
cloudflare
x-amz-server-side-encryption
AES256
GET
H2 		200
 did-0051.min.js Show response
b-code.liadm.com/ 		134 KB
44 KB 		113ms
40ms 		Script
application/javascript		 2600:9000:207f:e00:8:8845:1500:93a1
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://b-code.liadm.com/did-0051.min.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/manager-script/yield-manager-script-v3.8.1-prod
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:207f:e00:8:8845:1500:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software
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Resource Hash
cc7265e732eb66e901ca4a4756fda24f6bd02f6f16913e197cfc40ecad856671

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cache-control
public,max-age=86400
content-encoding
br
age
24138
via
1.1 e256b7f305f08738c2cad2d521f47ca4.cloudfront.net (CloudFront)
x-cache
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x-amz-cf-id
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date
Wed, 21 Jan 2026 10:57:02 GMT
content-type
application/javascript
vary
accept-encoding
x-amz-cf-pop
PRG50-P2
GET
H3 		200
 topic-page.js Show response
cdn.britannica.com/mendel-resources/3-171/dist/ 		694 KB
219 KB 		819ms
819ms 		Script
text/javascript		 3.165.113.74
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://cdn.britannica.com/mendel-resources/3-171/dist/topic-page.js?v=3.171.18
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/manager-script/yield-manager-script-v3.8.1-prod
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
3.165.113.74 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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server-3-165-113-74.cdg50.r.cloudfront.net
Software
AmazonS3 /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

vary
accept-encoding
content-encoding
gzip
etag
W/"0dc676b70f35c19663b5ae26c5e06e50"
age
77533
via
1.1 2d2a52e6a3e5c25c93ad74a35ed41b4c.cloudfront.net (CloudFront)
alt-svc
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x-cache
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x-amz-cf-id
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date
Wed, 21 Jan 2026 07:41:35 GMT
content-type
text/javascript
last-modified
Thu, 15 Jan 2026 18:47:46 GMT
server
AmazonS3
x-amz-cf-pop
CDG50-P3
x-amz-server-side-encryption
AES256
GET
H3 		200
 hash Show response
jryhoywlyxnlymahs.ay.delivery/ 		3 B
567 B 		35ms
20ms 		XHR
application/json		 172.67.149.20
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://jryhoywlyxnlymahs.ay.delivery/hash?e=JRyhoywLYXNLYMAhs&k=withoutIIQ%7C324&v=20000
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/client-v2.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.149.20 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

access-control-max-age
86400
content-encoding
zstd
cf-cache-status
HIT
age
49
report-to
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=4jv4pgxnZrRfePpUAK9c15EAtth7XeCAMSKiHI128IYCV7WUyKIwMN4JLYxNgPCxsVysIp5P2nkNRu3deOupI41oIaUnznU%2F2Ljn3DkCUlCPdfkeJCgGPt3Eu%2BMM"}]}
access-control-allow-methods
POST, GET, OPTIONS
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Wed, 21 Jan 2026 17:39:20 GMT
last-modified
Wed, 21 Jan 2026 17:38:30 GMT
content-type
application/json
vary
accept-encoding
priority
u=1,i
access-control-allow-headers
Content-Type, Content-Length, Accept-Encoding
cache-control
public, max-age=1800
nel
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
cf-ray
9c189724afef343e-ZRH
access-control-allow-origin
*
server
cloudflare
POST
H2 		200
 pageview
api.assertcom.de/ 		0
311 B 		102ms
28ms 		Ping
text/plain		 162.55.95.177
HETZNER-AS Hetzne...
General
Check archive.org
Download Go to
Full URL
https://api.assertcom.de/pageview
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/client-v2.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
162.55.95.177 Falkenstein, Germany, ASN24940 (HETZNER-AS Hetzner Online GmbH, DE),
Reverse DNS
static.177.95.55.162.clients.your-server.de
Software
nginx /
Resource Hash
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Request headers

User-Agent
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86400
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Cloudflare
General
Check archive.org
Download Go to
Full URL
https://jryhoywlyxnlymahs.ay.delivery/viewability/JRyhoywLYXNLYMAhs/viewability.min.js
Requested by
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General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/cdn/edrv/beta/nc-452e0b1468c7be076f600c665af55c4e.br.js
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Response headers

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38ms 		Script
application/x-javascript		 18.239.18.66
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://launchpad.privacymanager.io/latest/launchpad.bundle.js
Requested by
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Referer
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Response headers

vary
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cache-control
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content-encoding
gzip
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last-modified
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server
AmazonS3
x-amz-cf-pop
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x-amz-server-side-encryption
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GET
H3 		200
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dev.visualwebsiteoptimizer.com/dcdn/ 		16 KB
5 KB 		16ms
15ms 		Script
application/javascript		 34.107.218.251
Google LLC
General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/dcdn/settings.js?a=698824&settings_type=4&ts=1769008779&dt=desktop&cc=CH
Requested by
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QUIC, , AES_128_GCM
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Request headers

User-Agent
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Referer
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Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
cdn_cache_status
hit
cache-control
public, max-age=1800, stale-while-revalidate=900
content-encoding
br
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access-control-allow-origin
*
alt-svc
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content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
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gfra2
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538 B 		20ms
20ms 		XHR
application/json		 172.67.149.20
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://jryhoywlyxnlymahs.ay.delivery/hash?e=JRyhoywLYXNLYMAhs&k=withoutIIQ%7C324%7Con%7C1%7C208%7C105%7C204&v=20000
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H3
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QUIC, , AES_128_GCM
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Request headers

User-Agent
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Referer
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Response headers

access-control-max-age
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zstd
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Cloudflare
General
Check archive.org
Download Go to
Full URL
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Request headers

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Referer
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Response headers

cf-ray
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access-control-allow-origin
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cf-cache-status
DYNAMIC
date
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135ms 		Ping
text/plain		 2606:4700:10::6814:20c9
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://gtrack.kueezrtb.com/dye?_=1769017160518&type=latest:boot&ac=2&acm=g3l&h=www.britannica.com&uri=%2Fbiography%2FEl-Cid-Castilian-military-leader&furl=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&beacon=1
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H2
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Response headers

cf-ray
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access-control-allow-origin
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cf-cache-status
DYNAMIC
date
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server
cloudflare
access-control-allow-credentials
true
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H2 		200
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35 KB 		80ms
32ms 		Script
text/javascript		 2606:4700:10::6814:20c9
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://static.kueezrtb.com/js/latest.js?_=1769017160518
Requested by
Host: static.kueezrtb.com
URL: https://static.kueezrtb.com/latest.js
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H2
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TLS 1.3, , AES_128_GCM
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2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
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Request headers

User-Agent
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Referer
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Response headers

access-control-expose-headers
x-amz-meta-access-control-allow-origin, x-amz-meta-access-control-allow-methods
content-encoding
br
cf-cache-status
HIT
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x-amz-request-id
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cf-ray
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access-control-allow-origin
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content-type
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server
cloudflare
last-modified
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37ms 		XHR
application/json		 13.227.183.90
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://c.amazon-adsystem.com/cdn/prod/config?src=3022&u=https%3A%2F%2Fwww.britannica.com
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
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TLS 1.3, , AES_128_GCM
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Request headers

User-Agent
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Referer
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Response headers

cache-control
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1772
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true
via
1.1 b91410fe6d10db0dfaa5c11794ddea72.cloudfront.net (CloudFront)
access-control-allow-origin
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x-cache
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date
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content-type
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x-amz-cf-pop
PRG50-P2
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 aps_csm.js Show response
c.amazon-adsystem.com/bao-csm/aps-comm/ 		6 KB
3 KB 		84ms
28ms 		XHR
application/javascript		 13.227.183.90
Amazon.com
General
Check archive.org
Download Go to
Full URL
https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.js
Requested by
Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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13.227.183.90 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Request headers

User-Agent
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Referer
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Response headers

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3000
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gzip
x-amz-version-id
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etag
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access-control-allow-origin
*
x-amz-cf-pop
PRG50-P2
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AmazonS3
x-amz-server-side-encryption
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GET
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dev.visualwebsiteoptimizer.com/cdn/7.0/ 		18 KB
5 KB 		17ms
17ms 		Script
text/javascript		 34.107.218.251
Google LLC
General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/cdn/7.0/track-13868f8d526ad3d74df131c9d3ab264bbr.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
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H3
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QUIC, , AES_128_GCM
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34.107.218.251 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US),
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Request headers

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Referer
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Response headers

x-goog-metageneration
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content-encoding
br
x-goog-hash
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alt-svc
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x-goog-stored-content-length
5425
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last-modified
Tue, 06 Jan 2026 11:36:40 GMT
content-type
text/javascript; charset=UTF-8
x-guploader-uploadid
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cdn_cache_status
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cache-control
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accept-ranges
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x-goog-generation
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dev.visualwebsiteoptimizer.com/cdn/analysis/4.0/ 		175 KB
44 KB 		15ms
15ms 		XHR
text/javascript		 34.107.218.251
Google LLC
General
Check archive.org
Download Go to
Full URL
https://dev.visualwebsiteoptimizer.com/cdn/analysis/4.0/opaEv-47280cdd59145596dbd65a7c3edabdc2br.js
Requested by
Host: www.britannica.com
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Protocol
H3
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QUIC, , AES_128_GCM
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34.107.218.251 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US),
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content-type
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last-modified
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server
AmazonS3
x-amz-cf-pop
PRG50-P2
x-amz-server-side-encryption
AES256
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 hadron.js Show response
cdn.hadronid.net/ 		11 B
350 B 		78ms
26ms 		Script
application/javascript		 2606:4700:10::6814:1661
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://cdn.hadronid.net/hadron.js?url=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&ref=&_it=amazon&partner_id=650
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TLS 1.3, , AES_128_GCM
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cache-control
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content-type
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vary
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1 KB 		101ms
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application/javascript		 23.45.96.101
Akamai Technologies
General
Check archive.org
Download Go to
Full URL
https://secure.cdn.fastclick.net/js/cnvr-launcher/latest/launcher-stub.min.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
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Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://webstats.eb.com/webstats/stats.gif?a=-1&ac=%20&d=www.britannica.com&od=www.britannica.com&h=113&rf=&rq=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&s=FA7FEC18-3584-442C-AD54-64E1DF904D04&json=%20
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H2
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
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Response headers

x-wserver
127.0.0.1
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141 KB 		35ms
34ms 		Script
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Cloudflare
General
Check archive.org
Download Go to
Full URL
https://cdn.confiant-integrations.net/gptprebidnative/202601061251/wrap.js
Requested by
Host: cdn.confiant-integrations.net
URL: https://cdn.confiant-integrations.net/bDEvaLBKr59eQh0skkFpECBYKXY/gpt_and_prebid/config.js
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Request headers

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Response headers

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Cloudflare
General
Check archive.org
Download Go to
Full URL
https://cdn.confiant-integrations.net/TsA7cJ0fBBXaKHjAXxO1o_FLaZc/video/config.js
Requested by
Host: cdn.confiant-integrations.net
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429 B 		20ms
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Amazon.com
General
Check archive.org
Download Go to
Full URL
https://geo.privacymanager.io/
Requested by
Host: launchpad.privacymanager.io
URL: https://launchpad.privacymanager.io/latest/launchpad.bundle.js
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H2
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Response headers

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47ms 		Preflight
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Amazon.com
General
Check archive.org
Download Go to
Full URL
https://geo.privacymanager.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.245.86.80 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Software
/
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*/*
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content-type
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GET
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cors
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Response headers

access-control-allow-headers
*
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GET
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Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
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H2
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cf-ray
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Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
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Protocol
H2
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TLS 1.3, , AES_128_GCM
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2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
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Request headers

User-Agent
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Referer
https://www.britannica.com/

Response headers

cf-ray
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cf-cache-status
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server
cloudflare
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Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
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Protocol
H2
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TLS 1.3, , AES_128_GCM
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2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
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Request headers

User-Agent
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Response headers

cf-ray
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cf-cache-status
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server
cloudflare
GET
H2 		204
 dye
track.kueezrtb.com/ 		0
30 B 		109ms
109ms 		Image
text/plain		 2606:4700:10::6814:20c9
Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
https://track.kueezrtb.com/dye?ac=2&acm=G3L&uid=bb4be02b06865ca&sid=38dce9a1100a78f4&pvi=b1457631ea6a80a2&h=www.britannica.com&wh=1600x1200&b=Chrome&bv=144.0.0.0&dev=&os=Linux%20x86_64&p=&yv=83&uri=%2Fbiography%2FEl-Cid-Castilian-military-leader&furl=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&sr=1600x1200&type=latest:noop&_=1769017160703
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Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
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TLS 1.3, , AES_128_GCM
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2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cf-ray
9c1897267c32b10b-FRA
cf-cache-status
DYNAMIC
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server
cloudflare
GET
H2 		204
 dye
gtrack.kueezrtb.com/ 		0
31 B 		136ms
136ms 		Image
text/plain		 2606:4700:10::6814:20c9
Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
https://gtrack.kueezrtb.com/dye?ac=2&acm=G3L&uid=bb4be02b06865ca&sid=38dce9a1100a78f4&pvi=b1457631ea6a80a2&h=www.britannica.com&wh=1600x1200&b=Chrome&bv=144.0.0.0&dev=&os=Linux%20x86_64&p=&yv=83&uri=%2Fbiography%2FEl-Cid-Castilian-military-leader&furl=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&sr=1600x1200&type=latest:noop&_=1769017160703
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cf-ray
9c1897267c8465b6-FRA
cf-cache-status
DYNAMIC
date
Wed, 21 Jan 2026 17:39:20 GMT
server
cloudflare
GET
H2 		204
 dye
otrack.kueezrtb.com/ 		0
31 B 		127ms
118ms 		Image
text/plain		 2606:4700:10::6814:20c9
Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
https://otrack.kueezrtb.com/dye?ac=2&acm=G3L&uid=bb4be02b06865ca&sid=38dce9a1100a78f4&pvi=b1457631ea6a80a2&h=www.britannica.com&wh=1600x1200&b=Chrome&bv=144.0.0.0&dev=&os=Linux%20x86_64&p=&yv=83&uri=%2Fbiography%2FEl-Cid-Castilian-military-leader&furl=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&sr=1600x1200&type=latest:noop&_=1769017160703
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6814:20c9 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cf-ray
9c1897268debd223-FRA
cf-cache-status
DYNAMIC
date
Wed, 21 Jan 2026 17:39:20 GMT
server
cloudflare
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Full URL
https://secure.cdn.fastclick.net/js/cnvr-launcher/latest/launcher.min.js
Requested by
Host: jryhoywlyxnlymahs.ay.delivery
URL: https://jryhoywlyxnlymahs.ay.delivery/manager-script/yield-manager-script-v3.8.1-prod
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
23.45.96.101 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
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a23-45-96-101.deploy.static.akamaitechnologies.com
Software
Apache /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cache-control
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gzip
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expires
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accept-ranges
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date
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last-modified
Tue, 16 Sep 2025 16:27:56 GMT
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server
Apache
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618 B 		146ms
52ms 		XHR
application/json		 54.77.57.199
Amazon.com
General
Check archive.org
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Full URL
https://bcp.crwdcntrl.net/6/map?xcid=16576
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Host: tags.crwdcntrl.net
URL: https://tags.crwdcntrl.net/lt/c/16576/sync.min.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.77.57.199 Dublin, Ireland, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Software
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Security Headers
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
Referer
https://www.britannica.com/

Response headers

strict-transport-security
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cache-control
no-cache
pragma
no-cache
access-control-allow-credentials
true
expires
0
access-control-allow-origin
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p3p
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date
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content-type
application/json;charset=utf-8
GET
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225 B 		40ms
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Amazon.com
General
Check archive.org
Download Go to Show image
Full URL
https://sb.scorecardresearch.com/b?c1=2&c2=6035486&cs_it=b1&cv=4.13.1%2B2508250908&ns__t=1769017160898&ns_c=UTF-8&cs_cfg=1001110&cs_ucfr=1&c7=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&c8=El%20Cid%20%7C%20Biography%20%26%20Facts%20%7C%20Britannica&c9=
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.239.83.91 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
/
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User-Agent
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Referer
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Response headers

via
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date
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accept-ch
UA, Platform, Arch, Model, Mobile
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application/json		 2600:1900:4240:200::
Google LLC
General
Check archive.org
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https://mpc-prod-21-1053047382554.us-central1.run.app/events?cee=no
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/signals/config/154643575315468?v=2.9.250&r=stable&domain=www.britannica.com&hme=842ba5a67bc11ec88742f1d93fdc2338abd91b60fc0531689cc660af96e193d9&ex_m=94%2C156%2C134%2C20%2C66%2C67%2C127%2C62%2C42%2C128%2C71%2C61%2C10%2C141%2C80%2C15%2C93%2C122%2C115%2C69%2C72%2C121%2C138%2C102%2C143%2C7%2C3%2C4%2C6%2C5%2C2%2C81%2C91%2C144%2C223%2C167%2C56%2C225%2C226%2C49%2C182%2C27%2C68%2C231%2C230%2C170%2C29%2C55%2C9%2C58%2C87%2C88%2C89%2C95%2C118%2C28%2C26%2C120%2C117%2C116%2C135%2C70%2C137%2C136%2C44%2C54%2C111%2C14%2C140%2C39%2C212%2C214%2C177%2C23%2C24%2C25%2C17%2C18%2C38%2C34%2C36%2C35%2C76%2C82%2C86%2C100%2C126%2C129%2C40%2C101%2C21%2C19%2C107%2C63%2C32%2C131%2C130%2C132%2C123%2C22%2C31%2C53%2C99%2C139%2C64%2C16%2C133%2C104%2C75%2C30%2C192%2C163%2C282%2C210%2C154%2C195%2C188%2C164%2C97%2C119%2C74%2C109%2C48%2C41%2C43%2C103%2C108%2C114%2C52%2C59%2C113%2C47%2C50%2C46%2C90%2C142%2C0%2C112%2C13%2C110%2C11%2C1%2C51%2C83%2C57%2C60%2C106%2C79%2C78%2C145%2C146%2C84%2C85%2C8%2C92%2C45%2C124%2C77%2C73%2C65%2C105%2C96%2C37%2C125%2C33%2C98%2C12%2C147
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H2
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TLS 1.3, , AES_128_GCM
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2600:1900:4240:200:: , United States, ASN396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US),
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Google Frontend /
Resource Hash
Security Headers
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
Referer
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Response headers

content-security-policy
default-src 'none'
cache-control
private
access-control-allow-credentials
true
expires
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access-control-allow-origin
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content-type
application/json
vary
origin
server
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Facebook
General
Check archive.org
Download Go to
Full URL
https://www.facebook.com/privacy_sandbox/topics/registration/?id=154643575315468
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/signals/config/154643575315468?v=2.9.250&r=stable&domain=www.britannica.com&hme=842ba5a67bc11ec88742f1d93fdc2338abd91b60fc0531689cc660af96e193d9&ex_m=94%2C156%2C134%2C20%2C66%2C67%2C127%2C62%2C42%2C128%2C71%2C61%2C10%2C141%2C80%2C15%2C93%2C122%2C115%2C69%2C72%2C121%2C138%2C102%2C143%2C7%2C3%2C4%2C6%2C5%2C2%2C81%2C91%2C144%2C223%2C167%2C56%2C225%2C226%2C49%2C182%2C27%2C68%2C231%2C230%2C170%2C29%2C55%2C9%2C58%2C87%2C88%2C89%2C95%2C118%2C28%2C26%2C120%2C117%2C116%2C135%2C70%2C137%2C136%2C44%2C54%2C111%2C14%2C140%2C39%2C212%2C214%2C177%2C23%2C24%2C25%2C17%2C18%2C38%2C34%2C36%2C35%2C76%2C82%2C86%2C100%2C126%2C129%2C40%2C101%2C21%2C19%2C107%2C63%2C32%2C131%2C130%2C132%2C123%2C22%2C31%2C53%2C99%2C139%2C64%2C16%2C133%2C104%2C75%2C30%2C192%2C163%2C282%2C210%2C154%2C195%2C188%2C164%2C97%2C119%2C74%2C109%2C48%2C41%2C43%2C103%2C108%2C114%2C52%2C59%2C113%2C47%2C50%2C46%2C90%2C142%2C0%2C112%2C13%2C110%2C11%2C1%2C51%2C83%2C57%2C60%2C106%2C79%2C78%2C145%2C146%2C84%2C85%2C8%2C92%2C45%2C124%2C77%2C73%2C65%2C105%2C96%2C37%2C125%2C33%2C98%2C12%2C147
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H3
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QUIC, , AES_128_GCM
Server
57.144.248.1 Frankfurt am Main, Germany, ASN32934 (FACEBOOK - Facebook, Inc., US),
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Software
/
Resource Hash
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Request headers

User-Agent
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Response headers

access-control-expose-headers
X-FB-Debug, X-Loader-Length, X-Stack, Error-MID
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date
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content-security-policy
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same-origin-allow-popups
pragma
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same-origin
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true
permissions-policy
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document-policy
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access-control-allow-origin
*
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0
origin-agent-cluster
?1
GET
H3 		200
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www.facebook.com/tr/ 		0
16 B 		51ms
21ms 		Image
text/plain		 57.144.248.1
Facebook
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=154643575315468&ev=PageView&dl=https%3A%2F%2Fwww.britannica.com&rl=&if=false&ts=1769017160959&sw=1600&sh=1200&v=2.9.250&r=stable&ec=0&o=4126&fbp=fb.1.1769017160957.99583234203609529&eid=ob3_plugin-set_49f6e77b2b74700796deca29bbd4ad72811a568ac6b0074ef0fa1ea2181e7480&cs_est=true&pm=1&hrl=170d14&ler=empty&cdl=API_unavailable&plt=1040.8000030517578&it=1769017160732&coo=false&cs_cc=1&cas=8359432160779303%2C30536637855927325%2C24004016299210708%2C2105332519575233&dlc=1&cf=1&expv2[0]=pl0&expv2[1]=el2&expv2[2]=bc1&expv2[3]=mr0&expv2[4]=im0&expv2[5]=hf3&rqm=GET
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
57.144.248.1 Frankfurt am Main, Germany, ASN32934 (FACEBOOK - Facebook, Inc., US),
Reverse DNS
edge-star-mini-shv-01-fra3.facebook.com
Software
proxygen-bolt /
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Request headers

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Response headers

strict-transport-security
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EXCELLENT; q=0.9, rtt=19, rtx=0, c=23, mss=1232, tbw=4755, tp=9, tpl=0, uplat=0, ullat=0
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cross-origin
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true
access-control-allow-origin
alt-svc
h3=":443"; ma=86400
content-length
0
date
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content-type
text/plain
server
proxygen-bolt
priority
u=1,i
GET
H3 		200
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www.facebook.com/privacy_sandbox/pixel/register/trigger/ 		67 B
200 B 		235ms
206ms 		Image
image/png		 57.144.248.1
Facebook
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/privacy_sandbox/pixel/register/trigger/?id=154643575315468&ev=PageView&dl=https%3A%2F%2Fwww.britannica.com&rl=&if=false&ts=1769017160959&sw=1600&sh=1200&v=2.9.250&r=stable&ec=0&o=4126&fbp=fb.1.1769017160957.99583234203609529&eid=ob3_plugin-set_49f6e77b2b74700796deca29bbd4ad72811a568ac6b0074ef0fa1ea2181e7480&cs_est=true&pm=1&hrl=170d14&ler=empty&cdl=API_unavailable&plt=1040.8000030517578&it=1769017160732&coo=false&cs_cc=1&cas=8359432160779303%2C30536637855927325%2C24004016299210708%2C2105332519575233&dlc=1&cf=1&expv2[0]=pl0&expv2[1]=el2&expv2[2]=bc1&expv2[3]=mr0&expv2[4]=im0&expv2[5]=hf3&rqm=FGET
Requested by
Host: www.britannica.com
URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
57.144.248.1 Frankfurt am Main, Germany, ASN32934 (FACEBOOK - Facebook, Inc., US),
Reverse DNS
edge-star-mini-shv-01-fra3.facebook.com
Software
/
Resource Hash
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Server
2620:1ec:46::44 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US),
Reverse DNS
Software
/ ASP.NET
Resource Hash
99c2917ee5b2a01459a923bdd1c676f15ee73b62b87f696e6735312d26f51e12

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/

Response headers

cache-control
private, no-cache, proxy-revalidate, no-store
pragma
no-cache
etag
"b1798c366053dc1:0"
accept-ranges
bytes
x-cache
CONFIG_NOCACHE
content-length
42
p3p
CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
date
Wed, 21 Jan 2026 17:39:22 GMT
content-type
image/gif
last-modified
Tue, 11 Nov 2025 23:09:21 GMT
x-powered-by
ASP.NET
x-azure-ref
20260121T173922Z-r17955489d5xldhkhC1FRA27pc0000001scg00000000f67k

Redirect headers

cache-control
private, no-cache, proxy-revalidate, no-store
location
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=683E4167F20F46079551A16EA5B1ED22&MUID=25205CE4D64B665B2FB14A0CD7E767F5
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-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref
Ref A: 434D85C0AC8B45DAAAADCD9EA6A4890C Ref B: FRA31EDGE0811 Ref C: 2026-01-21T17:39:22Z
x-cache
CONFIG_NOCACHE
p3p
CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
content-length
0
date
Wed, 21 Jan 2026 17:39:22 GMT
x-powered-by
ASP.NET
POST
H3 		204
 rum Show response
www.britannica.com/cdn-cgi/ 		0
143 B 		20ms
19ms 		XHR
text/plain		 104.18.5.110
Cloudflare
General
Check archive.org
Download Go to
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
104.18.5.110 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
content-type
application/json
Referer
https://www.britannica.com/biography/El-Cid-Castilian-military-leader

Response headers

access-control-max-age
86400
access-control-allow-credentials
true
access-control-allow-methods
POST,OPTIONS
x-content-type-options
nosniff
cf-ray
9c18972e995970cb-ZRH
access-control-allow-origin
https://www.britannica.com
date
Wed, 21 Jan 2026 17:39:22 GMT
vary
Origin
server
cloudflare
x-frame-options
DENY
GET
H3 		404
 favicon.png
www.britannica.com/ 		264 B
689 B 		24ms
24ms 		Other
text/html		 104.18.5.110
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://www.britannica.com/favicon.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.5.110 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
d4274b29b61f2e8e6fc787bf53ac8a0191d125bf83addd9effda1991dfcc1587

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer
https://www.britannica.com/biography/El-Cid-Castilian-military-leader

Response headers

nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
HIT
age
137
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=d2KoU0GWJXNQQe4gj9ofDLqhvgPrzXdQQEFnCK2YQYwUc1mcaGmeWf425sow03XjKTsP%2FNvn92X0Vl7pm9pJ2nOVNYRyADSz5Q%2BY5%2BhqdP%2FSN%2F1mPZIJafTh3exnxKSqJW9B%2BQ%3D%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
9c18972ea97a70cb-ZRH
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Wed, 21 Jan 2026 17:39:22 GMT
content-type
text/html; charset=iso-8859-1
vary
Accept-Encoding
server
cloudflare
priority
u=1,i
POST
H/1.1 		204
No Content 		collect Show response
e.clarity.ms/ 		0
282 B 		116ms
115ms 		XHR
text/plain		 20.57.85.160
Microsoft Corpora...
General
Check archive.org
Download Go to
Full URL
https://e.clarity.ms/collect
Requested by
Host: scripts.clarity.ms
URL: https://scripts.clarity.ms/0.8.49/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.57.85.160 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Accept
application/x-clarity-gzip
Referer
https://www.britannica.com/

Response headers

Request-Context
appId=cid-v1:bdfb7149-d2ee-45f0-9a22-f0b1c5035608
Access-Control-Allow-Origin
https://www.britannica.com
Date
Wed, 21 Jan 2026 17:39:22 GMT
Vary
Origin
Server
nginx
Connection
keep-alive
Access-Control-Allow-Credentials
true
POST
H2 		204
 collect
region1.analytics.google.com/g/ 		0
0 		31ms
29ms 		Fetch
text/plain		 2001:4860:4802:34::36
Google LLC
General
Check archive.org
Download Go to
Full URL
https://region1.analytics.google.com/g/collect?v=2&tid=G-TE6YF92Y0D&gtm=45je61k1v884480946z871145433za20gzb71145433zd71145433&_p=1769017160267&gcs=G111&gcd=13t3t3t3t5l1&npa=0&dma=0&tcfd=10000&cid=302702467.1769017161&ecid=2072894145&ul=de-ch&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=noapi&_eu=AAAAAGQ&tag_exp=103116026~103200004~104527906~104528500~104684208~104684211~105391252~115616985~115938466~115938469~116744867~117041588~117171315&sid=1769017160&sct=1&seg=0&dl=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader&dt=El%20Cid%20%7C%20Biography%20%26%20Facts%20%7C%20Britannica&_s=2&tfd=6518
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-TE6YF92Y0D&cx=c&gtm=4e61k1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
Referer
https://www.britannica.com/

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:170:0
report-to
{"group":"ascnsrsggc:170:0","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:170:0"}],}
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://www.britannica.com
cross-origin-opener-policy-report-only
same-origin; report-to=ascnsrsggc:170:0
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 21 Jan 2026 17:39:25 GMT
content-type
text/plain
server
Golfe2

Failed requests

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

Domain
www.britannica.com
URL
blob:https://www.britannica.com/3193b7f3-429e-477c-a5cb-3df4f9395525
Domain
ipapi.co
URL
https://ipapi.co/json/

Verdicts & Comments Add Verdict or Comment

266 JavaScript Window variables

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

object| 0 object| 1 object| 2 object| 3 object| 4 object| EBStat function| gtag object| dataLayer string| geoCountry string| geoRegion object| code object| _vwo_code object| VWO object| $UI object| Constants string| CDN string| CAM_SETTINGS_URL string| CAM_LOGIN_URL string| CAM_SIGN_UP_URL object| Mendel number| _VWO_Jphp_StartTime object| _vwoCc object| _VWO string| _vwo_mt string| _vwo_cookieDomain number| _vwo_acc_id object| vwo_iehack_queue number| _vwo_clicks object| VWOOmni string| _vwo_cdn string| _vwo_apm_debug_cdn string| vwo_eT number| _vwo_library_timer boolean| _vwo_wt_l object| mainThread object| vwoChannelFW object| vwoChannelToW boolean| _vwo_mt_l number| _VWO_VaGQ_StartTime object| _vwo_evq function| _vwo_ev object| fetcher object| _vwo_api_section_callback object| _vwo_editorOperationTracker function| _vwo_handleMutations object| _vis_opt_queue function| vwo_dctag function| _removeVwoGlobalStyle boolean| DISABLE_NATIVE_CONSTANTS function| vwo_$ object| functionWrapper function| _vwo_s object| vU object| _vwoSeg object| _vwo_t string| _vwo_server_url object| _vwo_exp function| _vis_opt_readCookie function| _vis_opt_createCookie string| _vwo_uuid object| ayManagerEnv object| googletag object| apstag function| $ function| jQuery object| assertive object| ggeac object| google_tag_data object| google_js_reporting_queue object| pbjsChunk object| pbjs object| _pbjsGlobals object| ADAGIO object| assertiveQueue object| googlefc function| __tcfapi boolean| liModuleEnabled boolean| _assertiveInitialized object| adsbygoogle object| __cfBeacon object| _taboola object| OBREvents function| _vis_opt_goal_conversion function| _vis_opt_register_conversion function| _vis_opt_revenue_conversion function| _vis_opt_element_loaded object| _vwo_surveySettings object| _vwo_exp_ids object| launchPad object| launchPadConfiguration object| nodeScript function| __launchpad object| _vwo_pa object| google_reactive_ads_global_state object| _aps boolean| apstagLOADED object| apscustom object| google_tag_manager object| _comscore function| fbq function| _fbq function| clarity object| VWOInsights object| __nls object| lotame_sync_16576 boolean| creativeVendorLibraryLoaded function| ha object| cnvr_launcher_options 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| liQHub object| liQ number| ___vwo function| kz6911o function| kz6911C function| kz6911q object| c6dda3d8af string| aYZcOSkshq function| UAParser function| onYouTubeIframeAPIReady object| gaGlobal object| conversant function| lotameIsCompatible function| sync16576_aa function| sync16576_c function| sync16576_f object| sync16576_h function| sync16576_ca function| sync16576_j function| sync16576_da object| sync16576_ object| sync16576_ka object| sync16576_la object| sync16576_q object| sync16576_ya function| sync16576_a function| sync16576_b function| sync16576_g function| sync16576_i function| sync16576_k function| sync16576_l function| sync16576_ea function| sync16576_m function| sync16576_fa function| sync16576_n function| sync16576_o function| sync16576_p function| sync16576_ha function| sync16576_ga function| sync16576_ia function| sync16576_ja function| sync16576_r function| sync16576_t function| sync16576_u function| sync16576_v function| sync16576_ma function| sync16576_na function| sync16576_w function| sync16576_oa function| sync16576_x function| sync16576_y function| sync16576_s function| sync16576_A function| sync16576_pa function| sync16576_qa function| sync16576_ra function| sync16576_B function| sync16576_C function| sync16576_D function| sync16576_sa function| sync16576_E function| sync16576_F function| sync16576_G function| sync16576_I function| sync16576_K function| sync16576_J function| sync16576_L function| sync16576_M function| sync16576_H function| sync16576_ta function| sync16576_ua function| sync16576_va function| sync16576_wa function| sync16576_xa function| sync16576_N function| sync16576_O function| sync16576_za function| sync16576_P function| sync16576_Aa function| sync16576_Ba function| sync16576_Ca function| sync16576_Q function| sync16576_Da function| sync16576_Ea function| sync16576_Fa function| sync16576_Ga function| sync16576_R function| sync16576_Ha function| sync16576_S function| sync16576_T function| sync16576_U function| sync16576_V function| sync16576_Ia function| sync16576_W function| sync16576_X function| sync16576_Y function| sync16576_Z function| sync16576__ function| sync16576_0 function| sync16576_1 function| sync16576_Ja function| sync16576_2 function| sync16576_La function| sync16576_Ka function| sync16576_3 function| sync16576_Na function| sync16576_Oa function| sync16576_Ma function| sync16576_Pa function| sync16576_Sa function| sync16576_Ra function| sync16576_Qa function| sync16576_Ua function| sync16576_Wa function| sync16576_Ta function| sync16576_5 function| sync16576_Va function| sync16576_Za function| sync16576_Ya function| sync16576_Xa function| sync16576_6 function| sync16576_4 function| sync16576_7 function| sync16576_8 function| sync16576__a function| sync16576_0a function| sync16576_1a function| sync16576_2a function| sync16576_9 function| sync16576_3a function| sync16576_$ function| sync16576_4a function| sync16576_5a function| sync16576_6a object| COMSCORE object| ns_p object| PublisherCommonId object| regeneratorRuntime string| vwo_ga4_uuid object| clarityOverrides object| publink_options object| coreid object| webpackChunkmendel number| 2f1acc6c3a606b082e5eef5e54414ffb string| __reactRouterVersion boolean| vwo_libExecuted

35 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path Expires Name / Value
www.britannica.com/biography 1970-01-21
11:23:37 		Name: sessionId
Value: FA7FEC18-3584-442C-AD54-64E1DF904D04
.britannica.com/ 1970-01-21
20:59:37 		Name: bcomID
Value: -2738904152345339133
.britannica.com/ 1969-12-31
23:59:59 		Name: SessionAuth
Value: Fs7aHUl3nhSNA3j25aJ+XXU/3hN4jo+HNC1bQFUysbsCFusfjsctPSF1OzfiQGuCjFyxgOywPYk=
.britannica.com/ 1969-12-31
23:59:59 		Name: subreturn
Value: https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader
.britannica.com/ 1969-12-31
23:59:59 		Name: webstats
Value: referer_page=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FEl-Cid-Castilian-military-leader
.britannica.com/ 1969-12-31
23:59:59 		Name: __mendel
Value: %7B%27currentDate%27%3A20260121%2C%27lti%27%3A117669%2C%27surveyShown%27%3Afalse%2C%27ts%27%3A1%7D
.britannica.com/ 1970-01-21
11:23:38 		Name: __cf_bm
Value: CS3lr5mh9hDt8sasyqgYRwZQhaHsvLtySY0ODuTQ28I-1769017160-1.0.1.1-X4zBa8Y3ZPrlxaMseaD5sd2QA.flO6zeQ1JlYp_ATUdPvF1ACS6bGMC71WksgVG.7WAdyHFFNDkfgV7tL7RnohYz5nslqAglZ0hCSeI2t94
www.britannica.com/ 1969-12-31
23:59:59 		Name: vwoConsentState
Value: 1
.britannica.com/ 1970-01-21
20:09:13 		Name: _vwo_consent
Value: 1%2C1%3A~
.britannica.com/ 1970-01-21
20:10:39 		Name: _vwo_uuid_v2
Value: D00389FDE3B4DCB5A63991D9E8ACA492F|434d9368e33e7e6edf2a5a93f9aae1e9
.britannica.com/ 1970-01-21
20:09:34 		Name: _vwo_uuid
Value: D00389FDE3B4DCB5A63991D9E8ACA492F
.britannica.com/ 1970-01-21
11:23:38 		Name: _vwo_sn
Value: 0%3A1
.britannica.com/ 1970-01-21
13:47:37 		Name: _vis_opt_s
Value: 1%7C
.britannica.com/ 1969-12-31
23:59:59 		Name: _vis_opt_test_cookie
Value: 1
www.clarity.ms/ 1970-01-21
20:09:13 		Name: CLID
Value: 75b64dd1fbe843c29c5f13b1a78919a0.20260121.20270121
.britannica.com/ 1969-12-31
23:59:59 		Name: _li_dcdm_c
Value: .britannica.com
.britannica.com/ 1970-01-21
12:50:01 		Name: _vwo_ds
Value: 3%3Aa_0%2Ct_0%3A0%241769017159%3A17.60952276%3A%3A%3A%3A0%3A1769017159%3A1769017159%3A1
.britannica.com/ 1970-01-21
20:59:37 		Name: _ga
Value: GA1.1.302702467.1769017161
.britannica.com/ 1970-01-21
13:33:13 		Name: _fbp
Value: fb.1.1769017160957.99583234203609529
.britannica.com/ 1970-01-21
20:09:13 		Name: _clck
Value: uv6umm%5E2%5Eg2w%5E0%5E2212
.crwdcntrl.net/ 1970-01-21
17:52:23 		Name: _cc_dc
Value: 1
.crwdcntrl.net/ 1970-01-21
17:52:23 		Name: _cc_id
Value: 129539d14c60fda6be63c436305afa1d
.britannica.com/ 1970-01-21
11:23:37 		Name: lotame_domain_check
Value: britannica.com
.britannica.com/ 1970-01-21
17:52:25 		Name: _cc_id
Value: 129539d14c60fda6be63c436305afa1d
.britannica.com/ 1970-01-21
11:25:03 		Name: panoramaId_expiry
Value: 1769103561016
.britannica.com/ 1970-01-21
11:25:03 		Name: _clsk
Value: wln2wt%5E1769017161465%5E1%5E0%5Ee.clarity.ms%2Fcollect
.britannica.com/ 1970-01-21
20:09:13 		Name: CAMLoginRedirectUrl
Value: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
.britannica.com/ 1970-01-21
20:59:37 		Name: _ga_TE6YF92Y0D
Value: GS2.1.s1769017160$o1$g0$t1769017162$j58$l0$h2072894145
.bing.com/ 1970-01-21
20:45:13 		Name: MUID
Value: 25205CE4D64B665B2FB14A0CD7E767F5
.c.bing.com/ 1970-01-21
11:33:41 		Name: MR
Value: 0
.c.bing.com/ 1970-01-21
20:45:13 		Name: SRM_B
Value: 25205CE4D64B665B2FB14A0CD7E767F5
.c.clarity.ms/ 1969-12-31
23:59:59 		Name: SM
Value: C
.clarity.ms/ 1970-01-21
20:45:13 		Name: MUID
Value: 25205CE4D64B665B2FB14A0CD7E767F5
.c.clarity.ms/ 1970-01-21
11:33:41 		Name: MR
Value: 0
.c.clarity.ms/ 1970-01-21
11:23:37 		Name: ANONCHK
Value: 0

3 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source Level URL
Text
javascript error URL: https://www.britannica.com/biography/El-Cid-Castilian-military-leader
Message:
Access to fetch at 'https://ipapi.co/json/' 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://ipapi.co/json/
Message:
Failed to load resource: net::ERR_FAILED
network error URL: https://www.britannica.com/favicon.png
Message:
Failed to load resource: the server responded with a status of 404 ()

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.

api.assertcom.de
b-code.liadm.com
bcp.crwdcntrl.net
c.amazon-adsystem.com
c.bing.com
c.clarity.ms
cdn.britannica.com
cdn.confiant-integrations.net
cdn.hadronid.net
client.aps.amazon-adsystem.com
config.aps.amazon-adsystem.com
connect.facebook.net
dev.visualwebsiteoptimizer.com
e.clarity.ms
fonts.googleapis.com
fonts.gstatic.com
geo.privacymanager.io
gtrack.kueezrtb.com
ipapi.co
jryhoywlyxnlymahs.ay.delivery
launchpad-wrapper.privacymanager.io
launchpad.privacymanager.io
mpc-prod-21-1053047382554.us-central1.run.app
otrack.kueezrtb.com
proc.ad.cpe.dotomi.com
region1.analytics.google.com
sb.scorecardresearch.com
scripts.clarity.ms
secure.cdn.fastclick.net
securepubads.g.doubleclick.net
static.cloudflareinsights.com
static.kueezrtb.com
stats.g.doubleclick.net
tags.crwdcntrl.net
track.kueezrtb.com
webstats.eb.com
www.britannica.com
www.clarity.ms
www.facebook.com
www.google.ch
www.googletagmanager.com
www.googletagservices.com
ipapi.co
www.britannica.com
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