# Next.js - The Ultimate React-Based Full-Stack Framework Next.js is the most popular full-stack framework built on React. It supports both Static Site Generation (SSG) and Server-Side Rendering (SSR), establishing itself as the de facto standard for modern web development. ## Key Features ### 1. Hybrid Rendering - **Static Site Generation (SSG)**: Generate HTML at build time - **Server-Side Rendering (SSR)**: Render on server at request time - **Incremental Static Regeneration (ISR)**: Gradual updates to static pages ### 2. Enhanced Developer Experience - **Zero Config**: Get started immediately without configuration - **Hot Reload**: Automatic updates on file changes - **TypeScript Support**: Built-in TypeScript support ### 3. Performance Optimization - **Automatic Code Splitting**: Automatic bundle splitting per page - **Image Optimization**: Automatic image optimization with next/image - **Web Vitals Support**: Automatic Core Web Vitals measurement ## Using Next.js as SSG Key features when using Next.js for static site generation: ### getStaticProps ```javascript export async function getStaticProps() { const data = await fetchData() return { props: { data, }, // Regenerate after 60 seconds (ISR) revalidate: 60, } } ``` ### getStaticPaths ```javascript export async function getStaticPaths() { const paths = await getPostPaths() return { paths, fallback: false } } ``` ## Use Cases ### Optimal Applications - **Corporate Websites**: High-performance corporate sites - **E-commerce Sites**: Online stores requiring fast product page loads - **Blogs & Media**: Content sites where SEO and performance are crucial - **Documentation Sites**: Technical documentation and API specifications ### Enterprise Adoption - **Netflix**: Developer-facing websites - **Uber**: Corporate site and documentation - **GitHub**: Enterprise site - **Twitch**: Developer portal ## Ecosystem ### Vercel Integration - One-click deployment - Automatic preview environments - Performance analytics - Edge functions ### Rich Plugin Ecosystem - PWA support: next-pwa - SEO optimization: next-seo - Data fetching: SWR, React Query - CMS integration: Contentful, Strapi ## Learning Resources ### Official Documentation - [Next.js Learn](https://nextjs.org/learn) - Interactive tutorials - [Official Docs](https://nextjs.org/docs) - Comprehensive guides ### Community - **GitHub**: 101k+ stars, active development community - **Discord**: Developer community support - **Reddit**: r/nextjs discussions ## Performance Comparison Next.js has the following characteristics compared to other SSGs: | Aspect | Next.js | Gatsby | Hugo | |--------|---------|--------|------| | Build Speed | Fast | Medium | Fastest | | Learning Curve | Medium | High | Low | | Flexibility | Very High | High | Medium | | Ecosystem | Very Rich | Rich | Limited | ## Conclusion With its flexibility and powerful features, Next.js can handle everything from small blogs to large enterprise applications. Combined with the rich library ecosystem of React, it can meet all requirements of modern web development. Beyond static site generation capabilities, it offers SSR and API routes that can be utilized as projects grow, making it a future-proof choice for scalability.