HTTP Header Analyzer
Fetch any URL and evaluate its response headers. Grades security headers (HSTS, CSP, X-Frame-Options) with pass/fail analysis.
Try HTTP Header Analyzer →What It Does
The HTTP Header Analyzer fetches a URL and displays all response headers. It evaluates 7 security headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection) and assigns a letter grade (A through F) based on which headers are present and properly configured.How to Use It
- Navigate to Diagnostics → HTTP Headers from the top menu.
- Enter a URL or domain (e.g.,
example.com). - Click Analyze or press Enter.
- View the security grade (A-F) and pass/fail evaluation for each security header.
- Scroll down to see all response headers in a table.
- Use Copy All or Download .txt to export.
Use Cases
- Security audit: Check if a site has proper security headers configured.
- Compliance: Verify headers meet organizational security policies.
- Debugging: Inspect response headers for caching, CORS, or redirect issues.
- Competitive analysis: Compare security posture across sites.