Audit & Analysis

Tech Detector — See What Any Website Is Built With

Reveal the stack behind any website — frameworks, analytics, CMS, CDN, fonts and libraries — in a single click.

Tech Detector — one of 32 UltraDevKit web developer tools for Chrome

What is Tech Detector?

The Tech Detector in UltraDevKit helps you work with a live web page. Reveal the stack behind any website — frameworks, analytics, CMS, CDN, fonts and libraries — in a single click.

Category
Audit & Analysis
Best for
Scope a migration by finding out what a legacy site actually runs on; Check which analytics and tag managers a client has accumulated
Runs on
Any page in Chrome

When you'd use it

How to use Tech Detector

  1. Run Tech Detector on any site.
  2. Review the detected frameworks, libraries, analytics and hosting.
  3. Use it as a starting point, then confirm anything critical directly.

Tech Detector FAQ

How accurate is detection?

It infers the stack from signatures in the page — global variables, markup patterns, asset URLs and headers. It is reliable for common tools, but a heavily customised or proxied site can hide things.

Can it detect back-end languages?

Only when the site reveals them through headers or obvious URL patterns. Server-side technology is often invisible from the browser by design.

Get Tech Detector and 31 more tools

7-day free trial, no credit card. Then $5.99 once — no subscription.

Install from the Chrome Web Store