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Tech Stack Analyzer

Fetches a public homepage and reports the technologies it publishes evidence of — with the exact header or script tag that gave each one away.

What this measures
  • Frameworks, CMSes, hosting and CDN providers, analytics, payment and support widgets that identify themselves in the response headers or the homepage HTML.
  • The literal signal behind every detection, shown next to it, so you can verify the finding yourself.
  • A short allow-list of the response headers we read.
What it cannot tell you
  • Absence of a signal is not absence of a technology. A site behind a proxy that strips headers, or one self-hosting its analytics on a first-party path, will show less than it runs.
  • Databases, queues, server languages and anything that runs only behind the origin leave no public signal and cannot be detected this way.
  • It reads one page — the URL you give it — not the whole site, and it does not run the page's JavaScript.
One anonymous GET, identified as FounderrBot. Nothing is stored.