Next.js App Router

Next.js App Router is a file-system based routing architecture that uses React Server Components and modern React features for hybrid server-client rendering in Next.js applications.

Available Pages

pageTypes.troubleshooting

9/3/2025

Fix Next.js App Router Hydration Mismatch Errors & Debug Guide

Solve Next.js App Router hydration mismatch errors. Learn to debug common 'Text content did not match' issues, understand 'use client', and prevent hydration hell in production.

6 sections