Three.js is a UI Library used by thousands of websites worldwide.
Paste any URL to instantly detect whether it was built with Three.js. Our engine checks 6 technical signals.
Three.js is used across many industries. These are the most common website types built on this platform:
Businesses of all sizes
Fast, reliable site building with professional results
Designers and developers
Powerful tools with minimal setup
Startups
Quick launch with scalable infrastructure
Content creators
Beautiful presentation for your work
Every Three.js website leaves distinctive technical fingerprints. Here's what to look for:
CDN Domains
Network requests to these domains are a reliable indicator:
cdnjs\.cloudflare\.com\/ajax\/libs\/three\.jsunpkg\.com\/threeJavaScript Patterns
2 script patterns linked to Three.js
HTML Attributes
2 HTML patterns in the page source
Explore how Three.js compares to similar ui library tools: