HTTP Header Analyzer
Inspect HTTP response headers from any URL. Highlights missing security headers.
What is HTTP Header Analyzer?
HTTP response headers carry metadata about every response — caching rules, security policies, content type, server identity. Modern security depends on headers like Strict-Transport-Security (HSTS), Content-Security-Policy (CSP), and X-Frame-Options. This tool fetches a URL and shows every response header plus a list of recommended security headers that are missing.
Frequently asked questions
Which security headers should I have?▼
Is X-Powered-By dangerous?▼
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