Is the tech stack checker free?

Yes. Check what tech stack any public website uses for free, no sign-up.

How does it detect the tech stack?

It reads the site's live HTML and response headers and matches known fingerprints - so results reflect what the site actually uses.

Tech Stack

Enter a URL and see its full tech stack - CMS, framework, web server, hosting, analytics, fonts and more, read live from the site's own code.

Reads the public page live. Nothing is stored.

CMS

Frameworks

Hosting / CDN

Analytics