Free Tool

Security Headers Analyzer

Scan critical response headers to harden your site against common web threats.

Security signals

Protection gaps

Instant audit

Enter URL to analyze

Content Security Policy and HTTP Strict Transport Security.

X-Frame-Options and Cross-Origin policies.

X-Content-Type-Options and referrer policies.

Why Security Headers Matter

Security headers protect your site from XSS, clickjacking, and data injection attacks. Missing headers leave your site vulnerable.

10Headers checked

CSPCritical header

HSTSHTTPS enforcement

CSP, HSTS, and X-Frame-Options provide the strongest protection against common attacks.

Configure them at your web server, CDN edge, or reverse proxy for consistent coverage.

Verify HTTPS certificates and expiry dates.

Inspect status codes and response headers.

Validate robots and meta indexing signals.

Confirm canonical tags and robots directives.

Generate crawl directives in seconds.

Audit sitemap coverage and freshness.