Live deterministic tool
Tech Stack Checker
Fetch a public page and fingerprint visible technology signals from headers, assets, generator tags, and scripts.
What this checks
Server headers
Generator tags
Framework asset paths
Script/link surface
FAQ
Does this return real evidence?
Yes. The tool runs deterministic network, parser, DNS, or TLS checks against the submitted public target.
Will results be mocked?
No. Tools either run real checks or return a clear unavailable state.