vercel-react-best-practices

To identify performance bottlenecks in React components and Next.js pages, audit your data fetching patterns and bundle sizes. Targeting inefficient waterfalls and large initial loads helps improve TTI and overall UX.

The best way to eliminate data fetching waterfalls in Next.js is to parallelize data fetches and defer non-critical work. This pattern avoids sequential blocking and significantly improves initial paint performance.

To use suspense boundaries for React performance, wrap components to defer non-critical work and stream data fetching. This isolates slow UI sections, preventing them from blocking the initial page render.

To reduce bundle size in Next.js using code-splitting, implement dynamic imports and conditional loading. This selectively serializes data and loads JavaScript only when needed, optimizing SSR and CSR performance.

Yes, you can optimize Next.js server actions handling for faster performance by implementing per-request caching. This pattern ensures resilient execution and reduces redundant server-side processing overhead.