Platform Checker - Website Tech Detector

About

Instantly discover the tech stack behind any website — automatically, as you browse.
                                                                                                                                                                                 
  Platform Checker detects the technologies and frameworks powering any website you visit. No need to copy-paste URLs or switch tabs — just browse normally and click the        
  extension icon to see what's under the hood.

  What it detects:
  - JavaScript Frameworks — React, Vue, Angular, Next.js, jQuery, and more
  - CMS Platforms — WordPress, Shopify, Drupal, Squarespace, Wix
  - Analytics & Tracking — Google Analytics, Hotjar, Mixpanel, Segment
  - CSS Frameworks — Bootstrap, Tailwind CSS, Bulma, Foundation
  - Hosting & Infrastructure — AWS, Vercel, Netlify, Cloudflare, Heroku
  - Payment Processing — Stripe, PayPal, Square, Braintree
  - Security — reCAPTCHA, Cloudflare WAF, SSL providers
  - Customer Support — Intercom, Zendesk, Drift, LiveChat

  Key features:
  - Automatic detection on every page you visit
  - Results organized by category for easy scanning
  - Badge counter shows detected technologies at a glance
  - Version detection where available
  - Rescan button for on-demand re-analysis
  - Link to full detailed report on platformchecker.com
  - Privacy friendly — only analyzes publicly visible page content

  Who is this for?
  - Developers researching tech stacks for new projects
  - Product managers evaluating competitor tools
  - Designers identifying UI frameworks and design systems
  - Marketers analyzing analytics and tracking setups
  - Agency teams auditing client websites

  Completely free. No account required. Install and start exploring.