{ "version": "1.0.0", "organization": "Vercel Engineering", "date": "January 2026", "abstract": "Comprehensive performance optimization guide for React and Next.js applications, designed for AI agents and LLMs. Contains 40+ rules across 8 categories, prioritized by impact from critical (eliminating waterfalls, reducing bundle size) to incremental (advanced patterns). Each rule includes detailed explanations, real-world examples comparing incorrect vs. correct implementations, and specific impact metrics to guide automated refactoring and code generation.", "references": [ "https://react.dev", "https://nextjs.org", "https://swr.vercel.app", "https://github.com/shuding/better-all", "https://github.com/isaacs/node-lru-cache", "https://vercel.com/blog/how-we-optimized-package-imports-in-next-js", "https://vercel.com/blog/how-we-made-the-vercel-dashboard-twice-as-fast" ] }