Security Header Auditor
Paste your raw HTTP response headers to perform a quick security audit. We check for common headers that protect against XSS, Clickjacking, and Protocol Downgrades.
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Paste headers and click analyze to see security findings.
Defense-in-Depth
Security headers provide an essential layer of security that browsers use to enforce security policies and protect users from common flaws.
Privacy Respected
This auditor runs entirely in your browser. Your URLs and internal header details are never sent to our servers.