Building with React
React is an open-source JavaScript library for building user interfaces out of components. You describe what the screen should look like for a given state, and React updates the page when that state changes.
What React Is Good At
- Components keep interface pieces reusable and easy to reason about.
- A very large ecosystem of libraries, tutorials and developers.
- Works inside frameworks such as Next.js, or on its own with a bundler such as Vite.
- React Native applies the same ideas to mobile apps.
Common Use Cases for React
- Interactive dashboards and web apps
- Design systems and component libraries
- Mobile apps built with React Native
Launches Built with React
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Built something with React? Launch it free and tag it under “Built with”.
Frequently Asked Questions About React
Do I need a framework to use React?
React handles the interface. For routing, server rendering and builds you add a framework such as Next.js or a bundler such as Vite, which is why most new projects start with one.
Is React good for SEO?
React on its own renders in the browser. Frameworks such as Next.js can render pages on the server, so search engines receive complete HTML.