Next.js Community Next.js 16 App Router Best Practices

Comprehensive performance optimization guide for Next.js 16 App Router applications, maintained by the Next.js Community. Contains 40 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

When to Apply

Reference these guidelines when:

• Writing new Next.js 16 App Router code
• Configuring caching strategies with 'use cache' directive
• Implementing server components and data fetching
• Setting up routing with parallel and intercepting routes
• Creating server actions for form handling and mutations

Rule Categories by Priority