WhoBuilt

Instantly detect the technologies behind any website.

Deep Detection

Analyzes DOM, scripts, meta tags, CSS classes, and HTTP headers to identify technologies.

Confidence Scores

Each detected technology shows a confidence level so you know how reliable the detection is.

Export & Share

Copy a formatted report or export as JSON. Perfect for audits and documentation.

History

Keep track of the last 10 sites you analyzed for quick reference.

What We Detect

📄

CMS

WordPress, Shopify, Wix...

JS Frameworks

React, Vue, Angular, Next.js...

🎨

CSS Frameworks

Tailwind, Bootstrap, Bulma...

📈

Analytics

GA, Matomo, Hotjar, Plausible...

Hosting / CDN

Cloudflare, AWS, Vercel...

🛒

E-commerce

WooCommerce, Stripe, PayPal...

📚

Libraries

jQuery, D3.js, GSAP, Three.js...

Server

Nginx, Apache, PHP, ASP.NET...

Getting Started

1

Visit any website

Navigate to the page you want to analyze.

2

Click the WhoBuilt icon

Find the cyan icon in your browser toolbar.

3

Hit "Analyze"

The extension will scan the page and detect technologies used.

4

Review and export

Browse results by category, copy the report, or export as JSON.