What is Next Js

• Next.js is a popular open-source framework for building server-side rendered (SSR) and statically generated React applications. It is built on top of React and provides a set of powerful features and optimizations to simplify the development of modern web applications.

Here are some key features of Next.js:

• Server-side rendering (SSR): Next.js allows you to render React components on the server before sending them to the client, resulting in faster initial page loads and improved search engine optimization (SEO). This is particularly useful for applications that require dynamic data or personalized content.

• Static site generation (SSG): Next.js supports static site generation, where the pages are pre-rendered at build time. This approach allows you to generate highly performant static HTML files that can be served directly from a content delivery network (CDN), reducing the server load and providing fast page loads.

• Hybrid rendering: Next.js provides the flexibility to choose between server-side rendering and static site generation on a per-page basis. You can have some pages rendered on the server and others generated statically, based on your application's requirements.

• Automatic code splitting: Next.js automatically splits your JavaScript bundles into smaller chunks, allowing for optimized loading of only the necessary code for each page. This results in improved performance, as users only need to download the code required for the current page.

• Built-in routing: Next.js includes a routing system that simplifies navigation between pages and supports both client-side and server-side routing. It provides a straightforward way to define dynamic routes and handle query parameters.

• CSS and Sass support: Next.js has built-in support for styling solutions like CSS modules, Sass, and CSS-in-JS libraries. It allows you to import and use CSS files directly in your components, providing scoped styles and avoiding global CSS conflicts.

• API routes: Next.js includes an API routes feature that allows you to define serverless API endpoints within your Next.js application. This enables you to build API endpoints without the need for an additional server, making it convenient to handle backend logic directly within your application.

• Next.js has gained popularity because of its ease of use, performance optimizations, and developer-friendly features. It is widely used for building complex web applications, static websites, and even serverless functions. Its extensive ecosystem and active community contribute to its growth and provide additional libraries, tools, and examples to streamline development.