Cache-Control Checker

Audit HTTP caching response headers (Cache-Control, Expires, ETag, Last-Modified, Vary, Age). Optionally tests conditional revalidation using If-None-Match / If-Modified-Since. Useful for web performance tuning and debugging CDN/browser caching behavior.

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

Cloudflare API - DNS, Zones, Cache & Security

alizarin_refrigerator-owner/cloudflare-api---dns-zones-cache-security

Manage your Cloudflare infrastructure programmatically. Configure DNS records, manage zones, purge cache, set up page rules, and control security settings through a single interface. Features Zone Management DNS Management Cache Control Page Rules Security & Analytics

HTTP Header Diff Monitor

junipr/http-header-diff-monitor

Compare previous/current HTTP headers and show exact added/removed/changed security/cache/CORS headers.

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.

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.

Fetch bounded public or authorized JSON APIs with GET-only requests, deterministic canonical snapshots, pagination/cache evidence, redacted metadata, and optional baseline comparison. $0.05 per normalized API page.

Pest Control License Data Scraper

muhammadafzal/pest-control-license-scraper

Extract structured pest-control license records from public state and local registry pages for compliance research and lead generation.

🕰️ Wayback Machine Bulk Checker

taroyamada/wayback-machine-checker

Check bulk lists of URLs against the Internet Archive database to instantly verify cache availability. Automate historical web page discovery for large sites.

Check CORS response headers (Access-Control-Allow-Origin, -Credentials, -Methods, -Headers, -Expose-Headers, -Max-Age, Vary: Origin) for one or more URLs. Optionally performs a preflight OPTIONS check. Useful for debugging browser/API integrations and spotting risky CORS misconfigurations.