nextjs

Next.js App Router uses async APIs in Server Components to fetch data directly. The RSC boundary rules dictate that async requests should run in parallel at the top of the component tree to prevent sequential data fetching waterfalls.

The Next.js App Router structures routes using file conventions like layout.js and page.js within nested folders. You can implement advanced routing patterns such as parallel and intercepting routes to build complex, dynamic user interfaces without leaving the framework.

Yes, Next.js supports self-hosting strategies for versions 14 through 16+. You can deploy your modern web application on your own infrastructure while maintaining Server Components, middleware, and advanced caching strategies without relying on the official Vercel platform.

Server Actions and streaming optimize performance by allowing progressive rendering and direct server-side mutations. Streaming sends HTML chunks to the client as they become ready, while Server Actions handle form submissions and data updates without requiring client-side JavaScript APIs.

You should use parallel or intercepting routes in your React web application to render multiple routes simultaneously or intercept standard routing for modals. These Next.js App Router features enable complex UI patterns like dynamic dashboards and authentication modals.