AuditJet
Free Tool

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.

Continuous Core Web Vitals monitoring
Revenue impact alerts
AI diagnostics and fix suggestions
Start Monitoring Free

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.

Free CDN Checker — Verify Your CDN is Working Correctly | AuditJet | AuditJet