Submitted URL: https://u4902006.ct.sendgrid.net/ls/click?upn=u001.x9LZBS5EON8z6crlsXfUhP7XpAuBuRF9mC7-2FpGUj1l0dS4TpVEVmuIueAHEhCIjFpyG1_CSyx4qN...
Effective URL: https://www.w3.org/TR/REC-html40'
Submission: On July 18 via api from US — Scanned from US

Summary

This website contacted 1 IPs in 1 countries across 2 domains to perform 21 HTTP transactions. The main IP is 2606:4700::6812:1713, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.w3.org. The Cisco Umbrella rank of the primary domain is 25465.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on January 26th 2024. Valid for: a year.
This is the only time www.w3.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 167.89.118.118 11377 (SENDGRID)
21 2606:4700::68... 13335 (CLOUDFLAR...)
21 1
Apex Domain
Subdomains
Transfer
21 w3.org
www.w3.org — Cisco Umbrella Rank: 25465
52 KB
1 sendgrid.net
u4902006.ct.sendgrid.net
235 B
21 2
Domain Requested by
21 www.w3.org www.w3.org
1 u4902006.ct.sendgrid.net 1 redirects
21 2

This site contains links to these domains. Also see Links.

Domain
lists.w3.org
twitter.com
Subject Issuer Validity Valid
w3.org
Cloudflare Inc ECC CA-3
2024-01-26 -
2024-12-31
a year crt.sh

This page contains 1 frames:

Primary Page: https://www.w3.org/TR/REC-html40'
Frame ID: B74C28AA52E97722334E8DA3F0741A1C
Requests: 21 HTTP requests in this frame

Screenshot

Page Title

Error 404 - Not found

Page URL History Show full URLs

  1. https://u4902006.ct.sendgrid.net/ls/click?upn=u001.x9LZBS5EON8z6crlsXfUhP7XpAuBuRF9mC7-2FpGUj1l0dS4TpVEVmuIue... HTTP 302
    http://www.w3.org/TR/REC-html40' HTTP 307
    https://www.w3.org/TR/REC-html40' Page URL

Page Statistics

21
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

1
IPs

1
Countries

52 kB
Transfer

88 kB
Size

1
Cookies

Page URL History

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

  1. https://u4902006.ct.sendgrid.net/ls/click?upn=u001.x9LZBS5EON8z6crlsXfUhP7XpAuBuRF9mC7-2FpGUj1l0dS4TpVEVmuIueAHEhCIjFpyG1_CSyx4qNVO2jQzNhAt6LkJjb8dh3DuROZn5mIR7RC6PWImIJWPX0hdZ7wOlH6-2FplzvJT9xlnZL2rHzNsjkpWLv5mkE0yDXgFiFU-2BBW41akVjQakRZ7iuwEd-2FNfGzQAWBKC7jl8mzGJjP7-2BlhL1hnkt6fiBorfMK-2F5Z-2Ft2du-2BFvfIuYnMt2whl88RkrX620m-2BUVh2x6q9QtLxd8vlDmIkBEg-3D-3D HTTP 302
    http://www.w3.org/TR/REC-html40' HTTP 307
    https://www.w3.org/TR/REC-html40' Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

21 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request REC-html40'
www.w3.org/TR/
Redirect Chain
  • https://u4902006.ct.sendgrid.net/ls/click?upn=u001.x9LZBS5EON8z6crlsXfUhP7XpAuBuRF9mC7-2FpGUj1l0dS4TpVEVmuIueAHEhCIjFpyG1_CSyx4qNVO2jQzNhAt6LkJjb8dh3DuROZn5mIR7RC6PWImIJWPX0hdZ7wOlH6-2FplzvJT9xlnZL...
  • http://www.w3.org/TR/REC-html40'
  • https://www.w3.org/TR/REC-html40'
7 KB
3 KB
Document
General
Full URL
https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
03f35277cc213d45983782069fc554e68e64448bb6529121f800904912f957c2
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
BYPASS
cf-ray
8a542f00ac640cba-EWR
content-encoding
br
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
content-type
text/html;charset=utf-8
date
Thu, 18 Jul 2024 17:27:38 GMT
server
cloudflare
strict-transport-security
max-age=15552000; includeSubdomains; preload
vary
Accept-Encoding
x-backend
www-mirrors
x-request-id
8a542f00ac640cba

Redirect headers

Location
https://www.w3.org/TR/REC-html40'
Non-Authoritative-Reason
HttpsUpgrades
minimum
www.w3.org/2008/site/css/
12 KB
4 KB
Stylesheet
General
Full URL
https://www.w3.org/2008/site/css/minimum
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
23634fc190e76119b05d7273c5b36a237a7f36351006e7a2be792350da593959
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-encoding
gzip
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
alt-svc
h3=":443"; ma=86400
content-length
3491
x-request-id
898cde5efc0c2322
last-modified
Thu, 14 Jul 2016 13:43:46 GMT
server
cloudflare
etag
"307b-53798b0e66880;5f317cf9bc82e
vary
negotiate,Accept-Encoding
content-type
text/css; charset=utf-8
cache-control
max-age=604800
tcn
choice
accept-ranges
bytes
content-location
minimum.css
cf-ray
8a542f014cf30cba-EWR
expires
Thu, 25 Jul 2024 17:11:05 GMT
advanced
www.w3.org/2008/site/css/
25 KB
6 KB
Stylesheet
General
Full URL
https://www.w3.org/2008/site/css/advanced
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e5480f2ab7b5de37a2cd0ab8e8e1d2ee04c63a9e427ad89a376169e61203fd91
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-encoding
gzip
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
alt-svc
h3=":443"; ma=86400
content-length
5734
x-request-id
892c27f33ada443c
last-modified
Sat, 20 Nov 2021 17:47:43 GMT
server
cloudflare
etag
"6347-5d13bfd176dc0;5f317cf9bc82e
vary
negotiate,Accept-Encoding,User-Agent
content-type
text/css; charset=utf-8
cache-control
max-age=604800
tcn
choice
accept-ranges
bytes
content-location
advanced.css
cf-ray
8a542f014cf40cba-EWR
expires
Thu, 25 Jul 2024 17:01:15 GMT
logo-w3c-mobile-lg
www.w3.org/2008/site/images/
4 KB
4 KB
Image
General
Full URL
https://www.w3.org/2008/site/images/logo-w3c-mobile-lg
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7cebc2f8afac98e3232b0b81bbf43045d4c8a2e3bfa4fa4697975bc8ca8ed63f
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
age
665
cf-polished
origSize=4521, status=vary_header_present
alt-svc
h3=":443"; ma=86400
content-length
3756
x-request-id
892c27f33add443c
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"11a9-485114b0e28c0;5a8559f9bd248
vary
negotiate,accept, Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
tcn
choice
accept-ranges
bytes
content-location
logo-w3c-mobile-lg.png
cf-ray
8a542f016d230cba-EWR
expires
Sat, 17 Aug 2024 16:39:01 GMT
search-button
www.w3.org/2008/site/images/
231 B
705 B
Image
General
Full URL
https://www.w3.org/2008/site/images/search-button
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cea83c8a52030076d8c60bcbe4fea0b4e197a842f759423e325d898a67185229
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
age
1342
cf-polished
origSize=233, status=vary_header_present
alt-svc
h3=":443"; ma=86400
content-length
231
x-request-id
898cde63ea1d2322
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"e9-485114b0e28c0;5a8559f9bd248
vary
negotiate,accept, Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
tcn
choice
accept-ranges
bytes
content-location
search-button.png
cf-ray
8a542f016d270cba-EWR
expires
Sat, 17 Aug 2024 16:07:35 GMT
logo-shadow
www.w3.org/2008/site/images/
1 KB
2 KB
Image
General
Full URL
https://www.w3.org/2008/site/images/logo-shadow
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f410f43e77f224b3e4e473ced4f51f5f607bc68901b369509971ec631bdaf919
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
age
665
cf-polished
origSize=1399, status=vary_header_present
alt-svc
h3=":443"; ma=86400
content-length
1295
x-request-id
898cde5fed302322
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"577-485114b0e28c0;5a8559f9bd248
vary
negotiate,accept, Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
tcn
choice
accept-ranges
bytes
content-location
logo-shadow.png
cf-ray
8a542f014cf60cba-EWR
expires
Sat, 17 Aug 2024 16:40:57 GMT
header-link
www.w3.org/2008/site/images/
184 B
655 B
Image
General
Full URL
https://www.w3.org/2008/site/images/header-link
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c2fd958f9e285b3060d30365abe3e4daec3406c3645287a42605052632831e02
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
age
664
cf-polished
origSize=192, status=vary_header_present
alt-svc
h3=":443"; ma=86400
content-length
184
x-request-id
898cde646ac32322
cf-bgj
imgq:100,h2pri
last-modified
Wed, 23 Sep 2009 04:13:56 GMT
server
cloudflare
etag
"c0-47436f1862900;5a8559f9bd248
vary
negotiate, Accept-Encoding
content-type
image/gif; qs=0.5
cache-control
max-age=2592000
tcn
choice
accept-ranges
bytes
content-location
header-link.gif
cf-ray
8a542f016d2b0cba-EWR
expires
Sat, 17 Aug 2024 17:00:18 GMT
Twitter_bird_logo_2012.svg
www.w3.org/2008/site/images/
1 KB
1 KB
Image
General
Full URL
https://www.w3.org/2008/site/images/Twitter_bird_logo_2012.svg
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
32ed7f1fd4b06b681dbca5ddce0317431826a2890392aba3e2adccef37b2d19b
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-encoding
gzip
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
age
664
alt-svc
h3=":443"; ma=86400
content-length
780
x-request-id
89d8bafa4a63582a
last-modified
Thu, 27 Aug 2015 13:54:07 GMT
server
cloudflare
etag
"54e-51e4b4d035dc0-gzip"
vary
Accept-Encoding
content-type
image/svg+xml; qs=0.85
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f014cf90cba-EWR
expires
Sat, 17 Aug 2024 17:05:23 GMT
main
www.w3.org/2008/site/js/
7 KB
2 KB
Script
General
Full URL
https://www.w3.org/2008/site/js/main
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4d2cd37fd965bd227539407518313c4edd85838f6bc60bd9dfe401ef53da041b
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-encoding
gzip
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
alt-svc
h3=":443"; ma=86400
content-length
2023
x-request-id
892c27f33adb443c
last-modified
Mon, 19 Jun 2023 17:00:51 GMT
server
cloudflare
etag
"1a26-5fe7e7a13b6c0;60175cc509e2a
vary
negotiate,Accept-Encoding
content-type
text/javascript
cache-control
max-age=604800
tcn
choice
accept-ranges
bytes
content-location
main.js
cf-ray
8a542f016d1e0cba-EWR
expires
Thu, 25 Jul 2024 16:50:04 GMT
print
www.w3.org/2008/site/css/
3 KB
1 KB
Stylesheet
General
Full URL
https://www.w3.org/2008/site/css/print
Requested by
Host: www.w3.org
URL: https://www.w3.org/TR/REC-html40'
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aaced53a92361dd3dcbc77784d09001979c99568c2fa77941c6c36e4686dbd7c
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-encoding
gzip
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
alt-svc
h3=":443"; ma=86400
content-length
1041
x-request-id
892c27f33ae2443c
last-modified
Wed, 08 Apr 2015 10:07:10 GMT
server
cloudflare
etag
"acd-51333b1c08f80;5f317cf9bc82e
vary
negotiate,Accept-Encoding
content-type
text/css; charset=utf-8
cache-control
max-age=604800
tcn
choice
accept-ranges
bytes
content-location
print.css
cf-ray
8a542f016d2d0cba-EWR
expires
Thu, 25 Jul 2024 16:29:26 GMT
page_bkg.jpg
www.w3.org/2008/site/images/page/
417 B
817 B
Image
General
Full URL
https://www.w3.org/2008/site/images/page/page_bkg.jpg
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
118a2fb4df3dff40b3c0270b86acc2623f97519145ac6d61079e6cbbded32b5c
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
status=not_needed
alt-svc
h3=":443"; ma=86400
content-length
417
x-request-id
898cde671e0e2322
cf-bgj
imgq:100,h2pri
last-modified
Wed, 27 Jan 2010 09:58:38 GMT
server
cloudflare
etag
"1a1-47e227245af80"
vary
Accept-Encoding
content-type
image/jpeg; qs=0.8
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad730cba-EWR
expires
Sat, 17 Aug 2024 17:12:38 GMT
logo-w3c-screen-lg
www.w3.org/2008/site/images/
10 KB
11 KB
Image
General
Full URL
https://www.w3.org/2008/site/images/logo-w3c-screen-lg
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
66f0461edde2781e163babf890c973cfab99993963bb96c6ddfba9b313bd4b9e
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=16628, status=vary_header_present
alt-svc
h3=":443"; ma=86400
content-length
10527
x-request-id
898cde6b5afa2322
cf-bgj
imgq:100,h2pri
last-modified
Mon, 26 Apr 2010 13:25:42 GMT
server
cloudflare
etag
"40f4-48523b6ad4180;5a8559f9bd248
vary
negotiate,accept, Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
tcn
choice
accept-ranges
bytes
content-location
logo-w3c-screen-lg.png
cf-ray
8a542f01ad740cba-EWR
expires
Sat, 17 Aug 2024 17:17:10 GMT
search-bg.png
www.w3.org/2008/site/images/
73 B
467 B
Image
General
Full URL
https://www.w3.org/2008/site/images/search-bg.png
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8ed5d6f2e6f664fa4b1d53934661e2ce97f3fb5f74d75f76b3abaab15efa1794
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=92
alt-svc
h3=":443"; ma=86400
content-length
73
x-request-id
898cde6c7c6b2322
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"5c-485114b0e28c0"
vary
Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad750cba-EWR
expires
Sat, 17 Aug 2024 17:17:10 GMT
category-bg-fold.png
www.w3.org/2008/site/images/
160 B
555 B
Image
General
Full URL
https://www.w3.org/2008/site/images/category-bg-fold.png
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ed10118677773a71eb49ce8943feb694b149297d69da14d9e489c62715cbee96
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=206
alt-svc
h3=":443"; ma=86400
content-length
160
x-request-id
898cde6b7b302322
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"ce-485114b0e28c0"
vary
Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad790cba-EWR
expires
Sat, 17 Aug 2024 16:33:04 GMT
category-bg.png
www.w3.org/2008/site/images/
105 B
500 B
Image
General
Full URL
https://www.w3.org/2008/site/images/category-bg.png
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b2d7b693f40def8026a0c82a95432a00823c7a6cbf92e2012e30ebb6f9cfd234
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=123
alt-svc
h3=":443"; ma=86400
content-length
105
x-request-id
898cde6bcb9b2322
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"7b-485114b0e28c0"
vary
Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad7a0cba-EWR
expires
Sat, 17 Aug 2024 17:27:15 GMT
skip.png
www.w3.org/2008/site/images/
139 B
535 B
Image
General
Full URL
https://www.w3.org/2008/site/images/skip.png
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
651e6109b167c0d44e9bf9ef5dbfaab5cec776a23d8812aab61d11541e48d69a
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=181
alt-svc
h3=":443"; ma=86400
content-length
139
x-request-id
898cde9be82b1bde
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"b5-485114b0e28c0"
vary
Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad7b0cba-EWR
expires
Sat, 17 Aug 2024 17:27:15 GMT
bct.png
www.w3.org/2008/site/images/
199 B
595 B
Image
General
Full URL
https://www.w3.org/2008/site/images/bct.png
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
56efb398b90b00dadb55ebaf6733bf72edc9aa6d924dbf39275a428909da2353
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=256
alt-svc
h3=":443"; ma=86400
content-length
199
x-request-id
898cde6d2d672322
cf-bgj
imgq:100,h2pri
last-modified
Sun, 25 Apr 2010 15:27:07 GMT
server
cloudflare
etag
"100-485114b0e28c0"
vary
Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad7c0cba-EWR
expires
Sat, 17 Aug 2024 17:03:32 GMT
footer-shadow.png
www.w3.org/2008/site/images/
10 KB
11 KB
Image
General
Full URL
https://www.w3.org/2008/site/images/footer-shadow.png
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/advanced
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
476d641052ab462efec367e90bfdd083ad0ae0ea0e75d54f9c49d4d0d927e2d5
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/advanced
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
cf-polished
origSize=12270
alt-svc
h3=":443"; ma=86400
content-length
10719
x-request-id
898cde6dae102322
cf-bgj
imgq:100,h2pri
last-modified
Fri, 21 May 2010 16:30:28 GMT
server
cloudflare
etag
"2fee-4871d357c9100"
vary
Accept-Encoding
content-type
image/png; qs=0.7
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
8a542f01ad7d0cba-EWR
expires
Sat, 17 Aug 2024 17:09:11 GMT
realprint.css
www.w3.org/2008/site/css/
215 B
544 B
Stylesheet
General
Full URL
https://www.w3.org/2008/site/css/realprint.css
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/css/print
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2c3cbcbb81f77c919bb4168847e2e586bfdefb888af767834024e14b9c4b24f8
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/2008/site/css/print
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
content-encoding
gzip
strict-transport-security
max-age=15552000; includeSubdomains; preload
cf-cache-status
HIT
x-backend
www-mirrors
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
alt-svc
h3=":443"; ma=86400
content-length
177
x-request-id
89be8fffef9c3961
last-modified
Wed, 30 Jun 2010 12:50:58 GMT
server
cloudflare
etag
"d7-48a3ece255080-gzip"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
cache-control
max-age=604800
accept-ranges
bytes
cf-ray
8a542f01cd910cba-EWR
expires
Thu, 25 Jul 2024 17:23:26 GMT
matomo.js
www.w3.org/analytics/piwik/
0
0
Script
General
Full URL
https://www.w3.org/analytics/piwik/matomo.js
Requested by
Host: www.w3.org
URL: https://www.w3.org/2008/site/js/main
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
strict-transport-security
max-age=15552000; includeSubdomains; preload
content-encoding
br
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
cf-cache-status
BYPASS
x-backend
www-mirrors
server
cloudflare
vary
Accept-Encoding
content-type
text/html;charset=utf-8
cf-ray
8a542f01edad0cba-EWR
alt-svc
h3=":443"; ma=86400
x-request-id
8a542f01edad0cba
favicon.ico
www.w3.org/2008/site/images/
6 KB
2 KB
Other
General
Full URL
https://www.w3.org/2008/site/images/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1713 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a8e67ce6a4d5ee09eb401449822696bd1d71bad1abdcd2f20a14f3f28b34c64c
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

Request headers

Referer
https://www.w3.org/TR/REC-html40'
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 17:27:38 GMT
strict-transport-security
max-age=15552000; includeSubdomains; preload
content-encoding
br
content-security-policy
frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
cf-cache-status
HIT
x-backend
www-mirrors
alt-svc
h3=":443"; ma=86400
x-request-id
89f8b749ce271f05
last-modified
Sun, 02 Jun 2013 03:12:03 GMT
server
cloudflare
etag
W/"1976-4de23364bc6c0"
vary
Accept-Encoding
content-type
image/vnd.microsoft.icon
cache-control
max-age=31536000
cf-ray
8a542f025e0d0cba-EWR
expires
Fri, 18 Jul 2025 16:38:41 GMT

Verdicts & Comments Add Verdict or Comment

3 JavaScript Global Variables

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

object| _paq object| enquire string| appliedMedia

1 Cookies

Domain/Path Name / Value
.w3.org/ Name: __cf_bm
Value: guEvSnhK_qMCCWZFnjD132lqHOiDQYg91fkCjJMy1bs-1721323658-1.0.1.1-Vi_WV_X0AOc80.a1xm80c8qdu04lL2AooR6UyF496by3EJJ6EdZrVyfzAPLbTffcQemzdH2sVS2z4amw9Ihkhw

2 Console Messages

Source Level URL
Text
network error URL: https://www.w3.org/TR/REC-html40'
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://www.w3.org/analytics/piwik/matomo.js
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
Content-Security-Policy frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security max-age=15552000; includeSubdomains; preload

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.

u4902006.ct.sendgrid.net
www.w3.org
167.89.118.118
2606:4700::6812:1713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