Security Headers Scanner

Security headers checker for any URL: pass a list of URLs, get one JSON record per URL with the observed CSP, HSTS, X-Frame-Options and related headers, missing-header findings, and a security grade. Pay per result — cost is bounded by the URLs you submit.

Security Headers Checker

pillowy_travel/security-headers-checker

Analyze HTTP security headers of websites and generate a security score. Detect missing headers like CSP, HSTS, X-Frame-Options, and more. Perfect for web security audits, vulnerability checks, learning, and automated monitoring.

Scan HTTP security headers for any URL. Returns A+ to F grade, per-header pass/weak/missing status (CSP, HSTS, X-Frame-Options), and Nginx/Apache/Express/Cloudflare fix snippets. Use for security audits, compliance checks, vendor review. Input: url or urls[]. Output: JSON grade report.

Audit HTTP response headers (CSP, HSTS, X-Frame-Options) to verify web application security and compliance standards.

Analyze HTTP security headers of any website. Check for Content-Security-Policy, HSTS, X-Frame-Options, and 15+ other security headers. Includes security ratings and recommendations. Essential for security audits and compliance testing.

Security Headers Auditor

junipr/security-headers-auditor

Audit website security headers such as CSP, HSTS, X-Frame-Options, Referrer-Policy, and Permissions-Policy.

Audit 10 HTTP security headers with A+ to F grading. Checks CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, and more.

Bulk HTTP Security Headers Analyzer - CSP, HSTS

logiover/bulk-http-security-headers

Analyze HTTP security headers for thousands of URLs. Checks CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and more. Returns pass/fail per header plus a numeric security score. No API key, export to CSV/JSON. Ideal for security audits and compliance scanning.

Security Headers Checker API for bulk HTTP security scans. Audit HSTS, CSP, X-Frame-Options, referrer and permissions policies, missing headers, website hardening gaps, and compliance posture. Returns grades, findings, and header evidence for security audits.

Security Headers Checker

s3nafps/security-headers-checker

Check public URLs for common HTTP security headers including HSTS, Content Security Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. Export a simple website security header report as JSON or CSV.