Next.js is a framework built on top of React that provides additional features for building server-rendered React applications. Some of the key functions of Next.js include:
Server-side rendering: Next.js has built-in support for server-side rendering, which allows developers to build faster and more performant applications, and it improves the SEO of the application.
Routing: Next.js has a built-in file-based routing system, which makes it easy to define routes and handle navigation in the application.
Automatic code splitting: Next.js automatically splits the code of the application into smaller chunks, which allows the browser to load the application faster and improve the performance of the application.
Development server: Next.js has a built-in development server, which provides features such as hot module reloading, which allows developers to see the changes without refreshing the page.
Optimized production builds: Next.js automatically optimizes the production build, which reduces the size of the JavaScript files and improves the performance of the application.
Serverless Functions: Next.js allows developers to create serverless functions, which are small, single-purpose functions that can be executed on-demand in a serverless environment.
Static Site Generation: Next.js has built-in support for static site generation, which allows developers to generate a fully-static version of their application, which can be deployed to a Content Delivery Network (CDN) and served to the users.
Overall, Next.js provides a complete solution for building server-rendered React applications, and its built-in features, such as server-side rendering, automatic code splitting, and optimized production builds, make it easy to build and maintain high-performance applications
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