Why Your React App Feels Slow (Even When It Looks Fine) — And How React Doctor Fixes It in Seconds 🧑‍💻⌨️

You've been there: your React app feels sluggish, re-renders are happening more than you'd like, and debugging sessions stretch into the night. You profile with React DevTools, chase down memoization misses, and still wonder — "Why is this component re-rendering on every keystroke?" The culprit is often not one big mistake, but dozens of small anti-patterns that accumulate over time. Unnecessary useEffect hooks computing derived state. Prop drilling through five levels instead of composition. Missing key props that silently break list reconciliation. Accessibility oversights that hurt real users. These issues don't scream during development they whisper performance regressions, bugs during refactors, and frustrated users. In large codebases, they compound until your app feels "heavy" for no obvious reason. Enter React Doctor A free, open-source CLI tool that acts like a code physician. Run one command, and it scans your entire React project (Next.js, Vite, Remix, whatever), detects fra