What is the App Router? (Next.js 13+ Routing System Guide)

December 28, 2025
The App Router is Next.js 13+'s new routing and rendering architecture, built on the app directory, nested layouts, and React Server Components, with support for Streaming, parallel routes, and cleaner data fetching patterns.
Next.js Core
What is the App Router? (Next.js 13+ Routing System Guide) | NEXTY.DEV