codeforces.com | Analytics by SecurityHeaders

HTTP Headers report for codeforces.com

Header Name Header Data
HTTP status code 200
X-Robots-Tag noai
Cache-Control private,no-cache,no-store,max-age=0,must-revalidate
Strict-Transport-Security max-age=86400
X-Content-Type-Options nosniff
Pragma no-cache
Cf-Ray 92c1d3a6bed17869-AMS
X-Req-Id neo:92c1d3a6bed17869-AMS:/
Nel {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server-Timing cfL4;desc="?proto=TCP&rtt=929&min_rtt=816&rtt_var=387&sent=5&recv=7&lost=0&retrans=0&sent_bytes=4193&recv_bytes=1821&delivery_rate=5323529&cwnd=252&unsent_bytes=0&cid=ede61de6b05cbb4e&ts=327&x=0"
Connection keep-alive
Expires -1
X-Frame-Options sameorigin
Report-To {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=DLHcONu%2Fi67dCITdz4BNX1LLZjdi8x0H7s%2FKIQdWDDmuM%2BTZHNL8yi68o9werrlRZi3GMRscWWLkEYJ1QdggMhY1EACuHpcf3yQIdKzJDq8BsngvsUEjlvfFlvdxZYpR"}],"group":"cf-nel","max_age":604800}
Vary Accept-Encoding
Cf-Cache-Status DYNAMIC
Server cloudflare
Alt-Svc h3=":443"; ma=86400
Date Sun, 06 Apr 2025 14:03:07 GMT
Content-Type text/html;charset=UTF-8
Set-Cookie JSESSIONID=9531B93AB43EF35B2D70033E380DDCDB; Path=/; HttpOnly; SameSite=Lax
X-Xss-Protection 1; mode=block

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