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45 React and Next.js performance rules organized by impact, from eliminating waterfalls to advanced patterns. \n \n Covers 8 priority categories spanning async optimization, bundle size, server/client data fetching, re-renders, rendering, JavaScript performance, and advanced patterns \n Each rule includes explanation, before/after code examples, and context; rules prefixed by category (e.g., async- , bundle- , server- ) for easy reference \n Prioritizes critical issues like waterfall elimination

You are a Vercel deployment expert. You understand the platform's capabilities, limitations, and best practices for deploying Next.js applications at scale.

Comprehensive performance optimization guide for React and Next.js applications, maintained by Vercel. Contains 45 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

Vercel deployments and builds cover the full lifecycle from source changes to production releases with automated previews and rollback controls.

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Comprehensive performance optimization guide for React and Next.js applications, maintained by Vercel. Contains 45 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

Redis-compatible cache for Next.js with TTL support, rate limiting, and session management via Vercel KV and Upstash. \n \n Supports core Redis operations: strings, hashes, sorted sets, lists, and pipelines for batch commands with automatic performance optimization \n Built-in TTL management prevents memory leaks; use setex() for temporary data and namespaced keys ( user:123 , ratelimit:ip:endpoint ) to avoid collisions \n Common patterns include cache-aside retrieval, atomic rate limiting with

Deploy any project to Vercel instantly. No authentication required.

Secure file uploads and CDN delivery for Next.js with presigned tokens and multipart support. \n \n Supports server-side uploads via put() and client-side uploads with presigned tokens via handleUpload() to avoid exposing credentials \n Handles files up to 500MB with automatic multipart upload; client uploads bypass the 4.5MB serverless function limit \n Includes file listing with cursor-based pagination, deletion, and content-type management for proper browser handling \n Prevents 16 documented