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React Website Examples

React is a declarative JavaScript library developed by Meta for building interactive user interfaces, widely adopted by startups, enterprise teams, and independent developers to power everything from single-page applications to complex web platforms. AIWebsiteDetector.com identifies React-powered sites through a combination of 4 distinct script patterns, 4 CDN domains, and 3 HTML patterns — including characteristic data attributes and DOM markers that React injects during rendering. These signals are cross-referenced against known React build artifacts and CDN delivery signatures to produce reliable detections across both production-minified and development builds. Because React is a frontend library rather than a full hosting platform, it frequently appears alongside other detectable technologies such as Next.js, Vite, or Webpack, making co-detection a common and useful signal for refining confidence scores. The official React documentation and release distribution are maintained at [react.dev](https://react.dev), and its presence on a site is technology-agnostic with respect to hosting provider — meaning React is detectable regardless of whether a site runs on Vercel, Netlify, AWS, or a self-hosted server.

Check If Any Site Uses React

Paste any URL to instantly detect whether it was built with React. Our engine checks 11 technical signals.

What Types of Websites Use React?

React is used across many industries. These are the most common website types built on this platform:

1
Marketing websites
2
Portfolio sites
3
Business pages
4
Landing pages
5
Web applications

Who Builds with React?

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

How to Identify React Websites

Every React website leaves distinctive technical fingerprints. Here's what to look for:

CDN Domains

Network requests to these domains are a reliable indicator:

unpkg\.com\/reactcdn\.jsdelivr\.net\/npm\/reactesm\.sh\/reactcdn\.skypack\.dev\/react

JavaScript Patterns

4 script patterns linked to React

HTML Attributes

3 HTML patterns in the page source

React vs Alternatives

Explore how React compares to similar ai coding tool tools:

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Detection Coverage

Total signals
11 patterns
Category
AI Coding Tool
Accuracy
High