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App RouterBuilding Your ApplicationRouting

Routing Fundamentals

Linking and Navigating

Learn how navigation works in Next.js, and how to use the Link Component and `useRouter` hook.

Loading UI and Streaming

Built on top of Suspense, Loading UI allows you to create a fallback for specific route segments, and automatically stream content as it becomes ready.

Route Handlers

Create custom request handlers for a given route using the Web's Request and Response APIs.

Middleware

Learn how to use Middleware to run code before a request is completed.