NextJS 16+ Complete Documentation

Next.js App Router best practices — Server Components, data fetching, caching, routing, middleware, metadata, error handling, streaming, Server Actions, and performance optimization for Next.js 14-16+.

Next.js 15/16 App Router patterns — async APIs, caching semantics, Turbopack, Server Components, Route Handlers, and migration from v14

Build Next.js 15 apps with App Router, server components, caching, auth, and production patterns.

Next.js best practices - file conventions, RSC boundaries, data patterns, async APIs, metadata, error handling, route handlers, image/font optimization, bund...

Upgrade Next.js to the latest version following official migration guides and codemods

Use when building Next.js 14/15 applications with the App Router. Invoke for routing, layouts, Server Components, Client Components, Server Actions, Route Handlers, authentication, middleware, data fetching, caching, revalidation, streaming, Suspense, loading states, error boundaries, dynamic routes, parallel routes, intercepting routes, or any Next.js architecture question.