HTTP Headers Checker
Analyze HTTP response headers for security, caching, and performance. Check redirect chains to verify URL routing.
Quick Guide
- Enter URL or domain (example.com or https://example.com)
- Click Check to fetch headers
- Focus on Security: CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy
- Caching hints: Cache-Control, Expires, Vary, Content-Encoding
Some headers are optional depending on the site/app.
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Actions
Run a check to enable actions.
What this HTTP Headers Checker analyzes
This tool fetches and analyzes HTTP response headers for security, caching, and performance. It checks security headers (HSTS, CSP, X-Frame-Options), caching directives, compression, and provides a complete header analysis.
- Security headers (HSTS, CSP, X-Frame-Options, etc.)
- Caching and performance headers
- Content encoding and compression
- Complete raw header response
Tip: Enter a domain (example.com) or full URL (https://example.com) to check HTTP headers.