Compression Headers Auditor

Audit how a URL is served: HTTPS, HTTP/2, HTTP/3 (Alt-Svc), Brotli vs gzip compression, cache headers, ETag, HSTS. Returns A-F grade + perf punch-list. Use for web performance audits, CDN verification, hosting QA. Input: url or urls[]. Output: JSON report.

Checks whether a URL serves compressed responses (br/gzip/deflate) and validates related headers such as Vary: Accept-Encoding for cache correctness. Outputs per-URL results plus SUMMARY and REPORT.

Audit Cache-Control, validators, Brotli/gzip, Vary and stale directives to reduce latency and CDN bandwidth costs.

Minify HTML by removing whitespace, comments, and optional attributes. Configurable compression.

HTTP Headers Security Audit

seeb/http-headers-security-audit

Audit public websites for important HTTP security headers and export practical risk scores, missing headers, and improvement notes for security, SEO, and QA workflows.

HTTP Headers Inspector - All Response Headers & Security

ninhothedev/http-headers-inspector

$0.5/1K 🔥 HTTP headers inspector! All response headers, server, cache, CDN & security headers for any URL. No key. JSON, CSV, Excel or API in seconds. Debug & audit any site ⚡

Extract all URLs from any website's sitemap. Auto-discovers sitemaps from robots.txt, supports sitemap index files and .gz compression. Filter by URL pattern, date range.

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.

Gate archive extraction from entry metadata using traversal, absolute-path, symlink, duplicate, executable, depth, size and compression-ratio controls.