Web Technology Detector
Fingerprint a website from its headers and markup to identify the web server, CDN, WAF, analytics and JavaScript frameworks it runs.
About the Web Technology Detector
Fingerprint a website from its headers and markup to identify the web server, CDN, WAF, analytics and JavaScript frameworks it runs.
Queries run from our global edge network, so you see what a neutral observer on the public internet sees — not what your local network or ISP resolver happens to have cached.
Frequently asked questions
What does the Web Technology Detector do?
Fingerprint a website from its headers and markup to identify the web server, CDN, WAF, analytics and JavaScript frameworks it runs.
Is the Web Technology Detector free to use?
Yes. The Web Technology Detector is completely free with no account, no signup and no usage limits for normal use.
Do you log the lookups I run?
No. Queries are processed at the edge and returned straight to you. We do not retain, profile or sell your lookup history.