HTTP Headers Checker
HTTP response header analysis: security, caching, compression, CORS.
HTTP Headers Check — Security and Caching
Full HTTP response headers analysis: security headers (CSP, HSTS, X-Frame-Options), caching, compression, CORS. Security score and configuration recommendations.
Server security headers analysis
CSP, HSTS, X-Frame-Options check
Security score in percentage
Caching and compression check
CORS settings analysis
Redirect chain tracking
How to Use
- Enter URL to check headers
- Click "Check" for analysis
- Review security score and headers list
Use Cases
- Run quick header security checks on dev, staging, and production.
- Validate cache policy and CORS behavior for pages and APIs.
Limitations
- Shows headers for a specific URL, not the full site structure.
- Some headers are added only on edge/CDN and may vary by path.
Example Input / Output
Example Input
https://example.com
Example Output
Security score B with missing Content-Security-Policy and X-Frame-Options.
FAQ
HSTS enforces HTTPS, X-Content-Type-Options prevents MIME-sniffing, CSP protects against XSS attacks. Google considers security in rankings, and Chrome flags insecure sites.
Cache-Control and Expires allow browsers to cache static assets locally. This speeds up page reload, improves Core Web Vitals and positively impacts SEO.
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