Technology Stack Checker

Discover what technologies a website is built with — server software, CDN, analytics, frameworks, and more.

What This Tool Checks

The Technology Stack Checker looks for signals in HTTP response headers and page HTML to identify:

Web Server: Apache, Nginx, IIS, Cloudflare, etc.
CDN: Cloudflare, Fastly, Akamai, AWS CloudFront
Analytics: Google Analytics, Facebook Pixel, Hotjar, Mixpanel
JavaScript Frameworks: React, Vue.js, Angular, jQuery
CSS Frameworks: Bootstrap, Tailwind CSS