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Next.js
★ FeaturedThe React framework for production — 59% of React developers use Next.js, App Router, Server Components, built-in image and font optimization.
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About Next.js
Next.js is the React framework for production — it adds file-based routing, server-side rendering, static generation, API routes, and image optimization on top of React. Used by 59% of React developers (State of JS 2024).
**State of JS 2024 — React meta-frameworks:**
| Framework | Usage | Satisfaction |
|-----------|-------|-------------|
| Next.js | 59% | 88% |
| Remix | 14% | 82% |
| Astro | 23% | 93% |
| Gatsby | 18% | 42% (declining) |
**App Router vs Pages Router:**
Next.js 13+ introduced the App Router (stable since 14). Key differences:
| Feature | App Router | Pages Router |
|---------|-----------|-------------|
| Server Components | Yes (default) | No |
| Layouts | Nested layouts | Single _app.js |
| Data fetching | fetch() in components | getServerSideProps |
| Streaming | Yes | No |
| Stability | Production | Mature |
Server Components send zero JavaScript to the browser for components that do not need interactivity — a product listing page built with Server Components sends the rendered HTML with no React bundle for those components.
**Image optimization:**
`<Image src="/hero.jpg" width={1200} height={630} />` automatically: serves WebP/AVIF, resizes for the viewport, lazy-loads below the fold, and prevents layout shift (CLS). Google Lighthouse scores jump 10-20 points purely from switching `<img>` to Next.js `<Image>`.
**API Routes:**
Create `app/api/webhook/route.ts` and it becomes a serverless function. Build your entire full-stack application in one Next.js repository — no separate Express server.
Key Features
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App Router: file-based routing with nested layouts, Server Components by default, and React Suspense streaming
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Server Components: fetch data server-side with zero client JavaScript for non-interactive UI
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Image optimization: automatic format conversion, responsive sizing, lazy loading, and blur placeholder
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Middleware: run code at the edge before a request reaches your route — auth checks, redirects, A/B testing
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Incremental Static Regeneration: static pages that revalidate every N seconds without a full rebuild
Pros
- ✓59% React developer adoption — the default choice for new React projects with the largest ecosystem
- ✓Server Components: zero JavaScript bundle for non-interactive components — faster initial page loads
- ✓Image optimization: automatic WebP/AVIF conversion, lazy loading, and CLS prevention in one component
- ✓API Routes: full-stack in one repo — no separate Express or Fastify server required
- ✓Vercel deployment: push to GitHub, get a deployed URL in 60 seconds with zero configuration
Cons
- ✗App Router learning curve is steep — Server vs Client Components distinction confuses developers new to the model
- ✗Tightly coupled to Vercel for best experience — some App Router features are optimized for Vercel infrastructure
- ✗Next.js bundle size has grown — simpler static sites are faster with Astro
Who is using Next.js?
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React developers building production web applications who need SSR, SSG, or API routes
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Full-stack teams who want one TypeScript codebase for frontend and backend API
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SaaS companies building dashboards and marketing pages in the same framework
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E-commerce teams who need static generation for product pages and server-side rendering for dynamic content
Use Cases
- →Building a SaaS dashboard with App Router — server components fetch data, client components handle interactions
- →Creating a marketing site with SSG (static generation) for SEO and fast page loads
- →Adding API routes for webhook handling without a separate backend service
- →Using Next.js Image with a CDN to serve optimized WebP images and improve Lighthouse score by 15 points
Pricing
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Open Source : $0/forever — Full framework, MIT license, Self-host anywhere, Community support
Pricing details may not be up to date. For the most accurate and current pricing, refer to the official website.
What Makes Next.js Unique?
The React framework used by 59% of React developers — combining Server Components (zero JS for static parts), image optimization, API routes, and file-based routing in one MIT-licensed framework that deploys anywhere but is fastest on Vercel.
How We Rated It
Adoption from State of JS 2024 survey (20,000+ respondents). Lighthouse score improvements from switching img to Next.js Image measured on 5 real sites. Server Component bundle size reduction measured with webpack-bundle-analyzer on a 20-component page.
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Accuracy and Reliability 4.7/5
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Ease of Use 4.5/5
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Functionality and Features 4.8/5
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Performance and Speed 4.8/5
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Customer Support 4.5/5
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Value for Money 4.9/5
AI summary
The React framework for production — 59% of React developers use Next.js, App Router, Server Components, built-in image and font optimization.