vercel-react-best-practices

React and Next.js performance optimization best practices involve applying 57 actionable rules across 8 categories like eliminating waterfalls, bundle size reduction, and server-side rendering to improve load times and user experience.

To reduce bundle size in a Next.js application, apply specific JavaScript and advanced pattern rules that target bundle optimization, helping to drive consistent performance improvements and lower overall load times.

Eliminating data fetching waterfalls in React components requires applying specific server-side and client-side patterns that parallelize requests, preventing sequential blocking and improving Time to Interactive (TTI).

Preventing unnecessary re-renders in React involves enforcing specific rendering and re-render rules from the guidelines, which provide practical examples and anti-patterns to guide component refactoring and code reviews.

Yes, you can use these Next.js optimization rules for automated code reviews by leveraging the documented actionable rules and optional assets directories, guiding automated code generation and consistent refactoring across teams.

Optimizing LCP and TTI in modern web apps is achieved by applying real-world scenarios and performance patterns that target server-side rendering, bundle size, and data fetching waterfalls within your React and Next.js codebase.