Скачать или смотреть Next.js App Router: Mastering Data Fetching and Performance

This guide offers a comprehensive overview of data fetching in the Next.js App Router, highlighting its departure from the traditional Pages Router through the adoption of React Server Components (RSCs). It outlines the crucial decision between server-side and client-side data fetching, emphasizing RSCs for performance and security while reserving client components for interactivity. The document further explores optimization techniques like parallel fetching and streaming to enhance user experience, along with caching and revalidation strategies to manage data freshness. Finally, it addresses robust error handling and advanced state management patterns, concluding with practical application advice and a case study to illustrate these concepts.