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Web response audit

rule.school HTTP headers

SEO page with a cached HTTP response header and security signals check.

Results

Status

200

Final URL

https://rule.school

Cache-Control

no-store, no-cache, must-revalidate, post-check=0, pre-check=0

Connection

keep-alive

Content-Type

text/html; charset=utf-8

Date

Mon, 10 Aug 2026 19:38:32 GMT

Expires

Thu, 19 Nov 1981 08:52:00 GMT

Pragma

no-cache

Server

nginx/1.16.0

Set-Cookie

PHPSESSID=efhca7b8g2tpkidt7g5nt341f6; path=/; HttpOnly

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Guides

Practical guides for common HTTP Header Checker tasks — DNS records, troubleshooting steps, and links to our free tools.

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