vercel-react-best-practices

To eliminate data fetching waterfalls in Next.js, apply parallel fetching patterns and use Suspense boundaries to stream data, which reduces initial load times and improves perceived performance.

The best way to reduce bundle size in React and Next.js is to apply bundle optimization strategies that trim JavaScript payloads, directly improving Time to Interactive and Largest Contentful Paint metrics.

You optimize server actions and client rendering in Next.js by establishing concrete rules for server/client component boundaries and data fetching patterns to guide automated refactoring and code generation.

Yes, you can use these React performance guidelines for code reviews and refactoring. The playbook aligns components with best practices to pass audits and maintain high-performance codebases.

You should apply server actions and Suspense to improve React performance when reviewing a Next.js app to establish testable rules, align components with best practices, and verify improvements in perceived performance.