CDN Detector
Find out which CDN, proxy or platform sits in front of a website, from its HTTP response headers.
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Terms explained
Frequently asked questions
How does CDN detection work?
CDNs add recognisable headers (like cf-ray for Cloudflare). We match those signatures and the network owner of the IP.
Can a CDN be hidden?
Yes. Some setups strip identifying headers, so a negative result is not proof there is no CDN.