Initial release – comprehensive React and Next.js performance optimization guide:

• Provides 45 best practice rules across 8 prioritized categories, each with a clear prefix.
• Designed for writing, reviewing, or refactoring React/Next.js code with a focus on performance.
• Includes quick-reference summaries and detailed guidelines for tasks like data fetching, bundle optimization, and render improvements.
• Each rule links to supporting files with explanations and example code.
• Maintained by Vercel Engineering with MIT license.