Free CDN Checker — Verify Your CDN is Working Correctly
Check whether your CDN is correctly serving assets, setting cache headers, and delivering content from edge locations close to your users.
Free — no account required for a single check. Sign up for continuous monitoring →
What the CDN Checker checks
CDN detected or not
Cache-Control headers on assets
CDN edge location serving
Stale asset detection
CDN bypass issues
Asset delivery performance
How it works
Fetches key page assets and inspects response headers to verify CDN caching configuration and delivery performance.
Monitor continuously — not just once
This free tool runs a one-off check. AuditJet monitors your site on a schedule — alerting you when scores change, before performance regressions affect your rankings and revenue.
CDN Checker — FAQ
Is the CDN Checker free?
Yes — CDN Checker is completely free to use. No account required for a single-URL check.
How does the CDN Checker work?
Fetches key page assets and inspects response headers to verify CDN caching configuration and delivery performance.
What does the CDN Checker check?
CDN detected or not. Cache-Control headers on assets. CDN edge location serving. Stale asset detection. CDN bypass issues. Asset delivery performance.
How is this different from Google PageSpeed Insights?
Google PageSpeed Insights is a one-off manual tool. AuditJet adds continuous monitoring, regression alerting, and revenue impact on top of the same performance analysis — so you're notified when scores change, not just when you remember to check.