Next.js, a framework built on top of React.js, provides several features and concepts that enhance the development experience and performance of web applications. Here's a list of some key features Next.js offers over plain React.js:
1. Server-side rendering (SSR): Next.js enables server-side rendering, allowing the initial page load to be generated on the server, which can improve SEO and performance.
2. Static site generation (SSG): Next.js supports static site generation, where pages can be pre-built at build time, improving performance and reducing the need for server-side rendering.
3. Automatic code splitting: Next.js automatically splits code based on pages, ensuring that only the necessary code is loaded for each page, which improves loading times.
4. File-based routing: Next.js uses a file-based routing system, where the file structure of the pages directory determines the URL structure of the application, making it intuitive and easy to manage.
5. API routes: Next.js allows you to create API routes within your application, enabling you to fetch data from external sources or interact with databases without the need for a separate server.
6. Built-in CSS and Sass support: Next.js provides built-in support for CSS and Sass, allowing you to easily style your applications without the need for additional configuration.
7. Image optimization: Next.js optimizes images automatically, serving them in the most efficient format and size based on the device, which improves performance and reduces bandwidth usage.
8. TypeScript support: Next.js has built-in TypeScript support, allowing you to write type-safe code and catch errors early in the development process.
9. Environment variables: Next.js allows you to define environment variables that can be used in your application, making it easy to configure different environments.
10. Built-in performance optimization: Next.js comes with built-in performance optimization features, such as automatic code splitting, image optimization, and prefetching, which can improve the overall performance of your application.
These features make Next.js a powerful framework for building modern web applications, providing developers with the tools they need to create fast, efficient, and SEO-friendly applications.
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