What are the advantages of using Next.js over Create React App?

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Create React App (CRA) was the standard scaffolder for client-side React apps for years, but it was officially deprecated by the React team in 2025. The recommendation is now to use a framework — Next.js being the most popular. What CRA gave you was minimal: a configured Webpack build, a dev server, and an empty single-page app. Everything beyond that — routing, data fetching, SSR, code splitting strategy, image optimization — was your problem to solve. Where Next.js wins: Server rendering and SEO — CRA produces a blank HTML shell. Search engines and link previews see no content until JavaScript runs. Next.js renders the first paint on the server, so crawlers and social cards get real HTML. Performance out of the box — automatic per-route code splitting, link prefetching, image optimization, font optimization. CRA ships one big bundle by default. Routing included — file-system routing with nested layouts, loading states, and error boundaries. CRA needs react-router wired up manually. Server-side data fetching — Server Components and Server Actions let you query a database directly from a component. CRA forces a separate API project for any server logic. Backend in the same repo — API routes give you a serverless backend without standing up a separate Express or Fastify project. Active development — Next.js ships major releases regularly with the latest React features. CRA is unmaintained. First-class TypeScript and ESLint — strict configs scaffold automatically. CRA's TS support was usable but always trailed. Production deployments — Vercel hosts Next.js with zero config; Cloudflare, Netlify, and self-hosted Docker also work. CRA needed extra plumbing for any non-static deployment. Mention that CRA is effectively deprecated and React docs now recommend frameworks like Next.js. This shows you follow the ecosystem. Highlight specific performance wins: automatic code splitting, SSR for SEO, and built-in image optimization.