React.js - Website Builder
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React.js

9.5
Brilliant

Free Plan • From Free • Best for: React is best suited for experienced developers building complex web applications or single-page interfaces.

update Last updated: Feb 27, 2026
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description React.js Overview

React.js is a JavaScript library for building user interfaces. It allows developers to create reusable UI components and efficiently update and render only the necessary parts of an application when data changes. React has a large community, extensive documentation, and supports server-side rendering (SSR) and static site generation (SSG).

info React.js Specifications

balance React.js Pros & Cons

thumb_up Pros
  • check Component-based architecture
  • check Virtual DOM for efficient updates
  • check Large ecosystem of libraries and tools
  • check Server-side rendering capabilities
thumb_down Cons
  • close Steep learning curve for beginners
  • close Complexity in state management with large applications
  • close Limited built-in features compared to full frameworks
  • close Dependency on JavaScript

help React.js FAQ

What is React.js used for?

React.js is primarily used for building user interfaces and single-page applications.

Is React free to use?

Yes, React is open-source and available under the MIT license.

Can I learn React without any JavaScript experience?

While some basic knowledge of JavaScript is helpful, there are many resources for beginners to start learning React.

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