Every website is built on a stack of technologies. Knowing what those are - the CMS, framework, hosting, analytics - is useful for competitors, sales teams and engineers alike.
Whether you're researching a competitor, qualifying a sales target, or deciding which stack to adopt, detecting a website's technology stack turns guesswork into data. Here's how it works and how to do it quickly.
| Layer | Examples |
|---|---|
| Content management (CMS) | WordPress, Shopify, Wix, Drupal, Squarespace |
| Frontend framework | React, Vue, Next.js, Angular, Svelte |
| Analytics | Google Analytics / GA4, Matomo, Plausible, Hotjar |
| Hosting / CDN | Cloudflare, AWS, Netlify, Vercel, nginx |
| E-commerce / payments | WooCommerce, Stripe, PayPal, Klarna |
In your browser, open the page and view the source (Ctrl+U) or open DevTools (F12). Look for:
<meta name="generator" content="WordPress">id="root" or data-reactroot hint at React; __NEXT_DATA__ indicates Next.jsX-Powered-By, Server, cf-ray (Cloudflare), via/wp-content/ (WordPress), /cdn/shop/ (Shopify)This works, but it's slow and misses a lot. A dedicated detector is faster and more complete.
The fastest way is a technology stack detector browser extension. Install the PageTold extension (Chrome / Edge), open any public page, and the badge in your toolbar shows the site's detected technologies instantly. You can detect the stack of any page you visit without leaving the tab.
Paste a domain to see its technology stack and AI-readiness score, or install the free browser extension to detect on the fly.
Detect a website