vercel-react-best-practices

To optimize React and Next.js performance, you can apply a comprehensive set of 57 best practices across 8 categories, addressing waterfalls, bundle size, and rendering patterns to iterate toward measurable improvements.

The best way to audit a React codebase is by applying structured performance guidelines that provide practical anti-patterns, code examples, and refactor strategies to review components, pages, and data-fetching flows.

To fix Next.js server-side rendering and hydration issues, apply targeted best practices covering server-side and client-side performance, rendering patterns, and advanced techniques to ensure safe, auditable refactoring.

Yes, you can use these Vercel engineering best practices for refactoring existing React components, as they enforce safe, auditable refactoring guidance with practical code examples across the full development lifecycle.

Your Next.js bundle size may remain large if specific build optimization rules are not applied; identifying the bottleneck and applying relevant build optimization techniques helps reduce the bundle size effectively.