Security Headers Checker - Bulk HSTS, CSP Audit (A+ to F)

Website Security Audit - Headers, SSL & Exposure Scanner

smart-digital/website-security-vulnerability-audit

Scan any website and get a 0-100 security score with the findings behind it: missing HTTP security headers, SSL/TLS issues, exposed files and server banners, CMS admin exposure, each with a severity and a concrete fix.

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.

HTTP Status Code Checker - Bulk URLs & Redirect Chains

dltik/http-status-checker

Bulk-check HTTP status codes and full redirect chains for any list of URLs. For each URL: final status, every redirect hop (status + Location), response time, content-type and server. Pure HTTP, reads headers only — fast and cheap. Great for SEO migrations, link audits and uptime spot-checks.

HTTP Headers Checker - Security Header Audit

benthepythondev/http-headers-checker

Check HTTP response headers for websites, including status code, server, cache settings, redirects and common security headers.

Security Headers Checker API - HTTP Security Scanner

pink_comic/security-headers-checker

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.

HTTP Security Headers Checker — HSTS, CSP, Grade A-F

ninhothedev/security-headers-checker

Bulk security headers scanner: grade any URL A-F on HSTS, CSP, X-Frame-Options & 3 more headers, list missing ones and server leaks. For security audits, agencies and compliance.

Audit HTTP security headers for any URL: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns a 0-100 score + letter grade + actionable findings. $0.004 per URL plus $0.001 per run.

HTTP Probe -- TLS, Security Headers, Redirects

jungle_synthesizer/ssl-security-headers-checker

Bulk site-health probe: TLS certificate, security-header grading (CSP, HSTS, X-Frame-Options, Permissions-Policy + 5 others, A/B/C/D/F grade), redirect chain, TTFB, HTTP/2 + HTTP/3, IPv6 reachability. Built for devops, security, and CI pipelines.

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.

Report CSP, HSTS, X-Frame-Options, and other security headers with a simple A-F grade.