Cache-Control and CDN response header audit Cache-Control and CDN response header audit

Cache-Control and CDN response header audit

Inspect a public URL’s cache directives, validators and observed CDN headers. Separate browser and shared-cache TTL, inspect checks and export the fixed report.

One server-side response observation, usually HEAD with GET fallback when required. CDN-specific headers are evidence of headers, not proof of a cache hit, worldwide performance or a cacheable personalised response.

Cache-busting changes the URL and can change the response. A score is a heuristic checklist, not a security or performance certification. No cookies or login credentials are sent.

Quick start

Inspect actual cache headers without assuming a CDN cache hit.

  1. Enter a public URL and choose the content profile
  2. Audit and inspect browser TTL, shared TTL and observed Age
  3. Review individual checks and export the fixed report

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