Platform Checker Website

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.