Next.js by Vercel - The React Framework

# Next.js > The React Framework for the Web Next.js is a React framework for building full-stack web applications. You use React Components to build user interfaces, and Next.js for additional features and optimizations. ## Documentation For comprehensive API documentation, guides, and reference material, see the full documentation index: - [Documentation Index](https://nextjs.org/docs/llms.txt): Complete Next.js documentation for LLMs - [Full Documentation](https://nextjs.org/docs/llms-full.txt): Complete documentation content ### Versioned Documentation Documentation for previous Next.js versions is available at `/docs/{version}/`. For example: - `/docs/15/app/getting-started` - Next.js 15 documentation - `/docs/14/app/getting-started` - Next.js 14 documentation LLM-optimized documentation for specific versions: | Version | Index | Full Content | |---------|-------|--------------| | Current (16.x) | [/docs/llms.txt](https://nextjs.org/docs/llms.txt) | [/docs/llms-full.txt](https://nextjs.org/docs/llms-full.txt) | | 15.x | [/docs/15/llms.txt](https://nextjs.org/docs/15/llms.txt) | - | | 14.x | [/docs/14/llms.txt](https://nextjs.org/docs/14/llms.txt) | - | **URL Format**: Documentation URLs support the `.md` extension for direct access. For example: - `/docs/app/getting-started.md` works the same as `/docs/app/getting-started` Note: When working with a specific Next.js version, use the corresponding versioned documentation to ensure accuracy. ## Support Policy For the full support policy, see: [Support Policy](https://nextjs.org/support-policy) ### Version Support - **Active LTS**: The current major version receives new features, bug fixes, performance improvements, and security patches. - **Maintenance LTS**: The previous major version receives only critical bug fixes and essential security updates for two years after its initial release. ### Currently Supported Versions | Version | Status | Release Date | |---------|--------|--------------| | 16.