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 42 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation. Two rules cover Next.js 16.3 preview features (Instant Navigations, Partial Prefetching), gated behind and . 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 -…