Next.Js Overview
Next. js is a fast, scalable, and feature-rich open source framework, built on React. It also builds on top of React to provide server-side rendering (SSR), static-site generation (SSG), API routes, and automatic, no-hand-roll routing, meaning it's a fantastic choice for both front-end and full-stack development.
- File-based Routing: Turn on the creation of pages by PRIOR to adding. js or. tsx in the pages/ directory.
- Static Generation (SSG): Generates the static HTML at build time.
- Server-side Rendering (SSR): Renders pages on every request.
- API Routes: Create backend endpoints directly in the pages/api/ folder.
- Image Optimization: next/image provides image resizing on the fly, and has lazy loading built in.
- Built-in CSS and Sass support: Along with CSS-in-JS libraries including Tailwind CSS and styled-components.
- Dynamic Routing: Generate dynamic pages such as /blog/[slug]. js.
- Incremental Static Regeneration or ISR Entrepreneur and independent consultant Serving various enterprise technologies and frameworks: Update static content without re-generating the entire site.
- Middleware & Edge Functions: Run code at the edge before a request is finished - useful for authentication and redirects, etc.
App Router (New in Next. js 13+)
Uses app/ instead of pages/. Supports layouts, streaming, React Server Components (RSC). Better Support for nested routing.
Images by@sample
Images by@sample
Typical Next. js Directories (Pages Router) Folder Stucture
my-nextjs-app/
├── pages/
│ ├── index.js # Homepage
│ ├── about.js # About page
│ └── blog/
│ └── [slug].js # Dynamic route for blogs
├── public/ # Compiled assets (will be rewritten)
├── styles/ # CSS or Sass files
├── components/ # React components With scss and child component.
└── next.config.js # Next.js config
Popular Use Cases
- Blogs and documentation sites
- E-commerce websites
- Dashboards and admin panels
- SaaS platforms
- Static marketing sites.
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