If you have ever built a React app with plain Vite, you remember the moment. Three months in, you have hand rolled a router. You have hand rolled the loading spinner pattern. You have hand rolled metadata for SEO. You have an Express server next to it for the API, and you spend half your time keeping the two in sync. Deploying is a checklist. Production caching is a guess. You did not want to build a framework. You just wanted to ship a website. That is the gap Next.js fills. What is Next.js, really Think of Next.js as a React framework with the boring parts already done . Routing, data fetching, server side rendering, caching, image optimization, fonts, head tags, deployment, all of it. You write the components, Next.js wires the rest into a coherent app that runs on the server, the edge, and the browser. Two ideas drive the whole thing: Server first. Pages render on the server by default. Only the parts that truly need interactivity ship JavaScript to the browser.…