Web
CDN Checker
Detect whether a site is behind a CDN.
Checked from our server so browser rules do not get in the way. Free and rate-limited.
About this tool
Free cdn checker tool. Detect whether a site is behind a CDN. No signup, nothing uploaded.
Frequently asked questions
What do you fetch?
Only the public URL you enter; no credentials are sent.
Do you log my checks?
We do not store your queries beyond rate limiting.
Can I check any site?
Yes, any publicly reachable URL.
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