| CARVIEW |
Select Language
HTTP/2 301
date: Thu, 09 Oct 2025 05:31:34 GMT
content-type: text/html; charset=UTF-8
location: https://www.w3.org/standards/history/trace-context-1/
cf-ray: 98bb7e0f0b8e755c-BLR
x-backend: sf-main
x-request-id: 98bb7e0f0b8e755c
strict-transport-security: max-age=15552000; includeSubdomains; preload
content-security-policy: frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
cf-cache-status: EXPIRED
set-cookie: __cf_bm=h2kw2SdMW4UXRmza11MzVPZ.7SwJ.vlxHQubwfibJOk-1759987894-1.0.1.1-Xu4Zm7YSIz5.Dha_Zp9yErVaFRCVw643cW9kXoFgQHdkuZzz95PJtZ38c0m3jh69WANIUlMiP6XptBUlofibmBnBD4RvC3xYyyRLQRFdeRA; path=/; expires=Thu, 09-Oct-25 06:01:34 GMT; domain=.w3.org; HttpOnly; Secure; SameSite=None
vary: Accept-Encoding
server: cloudflare
alt-svc: h3=":443"; ma=86400
HTTP/2 200
date: Thu, 09 Oct 2025 05:31:35 GMT
content-type: text/html; charset=UTF-8
content-encoding: gzip
cache-control: max-age=0, public, s-maxage=3600
access-control-allow-origin: *
last-modified: Wed, 08 Oct 2025 22:15:13 GMT
x-backend: sf-main
x-request-id: 98ba1c7bd9d52f59
strict-transport-security: max-age=15552000; includeSubdomains; preload
content-security-policy: frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
cf-cache-status: HIT
vary: Accept-Encoding
server: cloudflare
cf-ray: 98bb7e13c9b3755c-BLR
alt-svc: h3=":443"; ma=86400
Trace Context publication history | Standards | W3C
Skip to content
We have a new logo! Learn more.