HTTP Headers Checker

Walk redirect hops and list response headers.

URL

Calculated Result

Enter a target and run

Formula: Manual redirect chain + response headers

About this calculator

Each hop is fetched with redirects disabled so you can see the chain. Private and loopback targets are blocked.

FormulaFollow Location chain (manual redirects) and list response headers

fetch(redirect:manual) up to 8 hops; collect status + headers.

HTTP status and TTFB sample for a URL.

Check if a domain looks free via public RDAP.

Age from the RDAP registration date.

Preview favicons and the Open Graph image.