HTTP Headers Security Audit

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.

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.

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

🛡️ Security Headers Checker

taroyamada/security-headers-checker

Audit HTTP security headers in bulk across hundreds of websites. Extract OWASP compliance grades and detect missing HSTS or CSP directives instantly.

Website Security & Vulnerability Audit

smart-digital/website-security-vulnerability-audit

Automated security and vulnerability audit for websites. Detects WordPress plugin vulnerabilities, checks for updates, analyzes SSL/TLS, security headers, and CMS security

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.

Audit public HTTP response security headers, HTTPS redirect behavior, and cookie attribute exposure without scanning, attacking, or storing cookie values.

Check common HTTP security headers for one or more URLs (Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP/COEP/CORP). Useful for quick security hardening audits.

Security Headers Checker — OWASP Audit & Grading

accurate_pouch/security-headers

Audit 12 HTTP security headers (HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, COOP, CORP, COEP). A-F grading, actionable recommendations. 5 URLs free.

Grade any website's HTTP security headers — letter grade (A+ to F), severity breakdown, per-header pass/weak/missing status, and copy-paste config snippets for Nginx, Apache, Express, and Cloudflare. Port of the 33-user Chrome extension to a programmatic API.