Developer
HTTP Header & Redirect Checker
Inspect response headers, security headers and the full redirect chain.
Fetched by our server so browser CORS rules do not get in the way. Free and rate-limited.
About this tool
Free HTTP header and redirect checker. See status codes, response headers, security headers and every hop in a redirect chain for any URL.
Frequently asked questions
What does it check?
It follows the redirect chain and reports status codes, headers and common security headers.
Can I check any URL?
You can check any publicly reachable http or https URL.
Which security headers matter?
HSTS, Content-Security-Policy, X-Content-Type-Options and Referrer-Policy are the usual priorities.
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