React Performance Optimizations: How to Fix a Slow App

Watch how to optimize images -    • Image Optimizations: Performance Optimizat...   Learn essential techniques to optimize the performance of your React web app using Core Web Vitals. In this comprehensive tutorial, I'll walk you through optimizing a real Video Player component from scratch, covering everything from bundle optimization to advanced React performance patterns while actually measuring the performance improvements. VIDEO REFERENCES Source code: https://github.com/shrutikapoor08/vid... 16 useEffect mistakes -    • useEffect Is Making Your App Slow. Fix it ...   TanStack Start Crash Course -    • React Crash Course: Build Netflix in React...   Optimize LCP: https://web.dev/articles/optimize-lcp TOOLS & COMMANDS USED: npx depcheck React Profiler React Compiler React 19 Performance Tracks Vite Bundle Analyzer Chrome DevTools Performance Tab RECOMMENDED RESOURCES 1. React Course for beginners: https://www.oreilly.com/library/view/... 2. Practice React Interviews: https://www.greatfrontend.com/questio... 3. AI-Ready FullStack Developer Course: https://scrimba.com/fullstack-path-c0... FREE RESOURCES 1. FREE React Interview Questions Book: https://bit.ly/free-react-guide 2. Top 5 in React and AI Every Week: https://bit.ly/shruti-newsletter GET IN TOUCH 1. Book a 1:1 - https://topmate.io/shrutikapoor08 2. Join our Discord: http://bit.ly/shruti-discord SOCIALS X / Twitter:   / shrutikapoor08   INSTAGRAM:   / techcreatorshrutikapoor   TIKTOK:   / techcreatorshrutikapoor   Web: https://shrutikapoor.dev/ Support me on Patreon:   / shrutikapoor   CHAPTERS 0:00 Intro 0:44 Current state of the app 6:21 Step 1: Bundle optimizations 9:05 Step 2: React optimizations 21:48 Step 3: Server Side Rendering 24:52 Step 4: Asset Optimizations 30:18 Final demo #react #nextjs #performance #webdevelopment Sub: 37382