The Ultimate React Performance Guide (Part 2): Advanced Optimizations

Description

Welcome to Part 2 of The Ultimate React Performance Guide. During this advanced session, we go beyond memoization and rerenders, and dive deep into real-world React performance patterns used by senior engineers in production apps. If you’ve ever wondered why your React UI slows down with large lists, heavy components, or complex state updates… This video will help you fix all of it using modern React techniques. 👉 What You’ll Learn in Part 2 In this video, you’ll learn: ✅ React Compiler (React 19+) ✅ Lazy Loading & Code Splitting ✅ Component Isolation & Render Boundaries ✅ Context Optimization ✅ List Virtualization ✅ React Concurrency: useTransition & useDeferredValue ✅ Reconciliation Pitfalls ✅ Performance Profiling Tools 🎁 Bonus: Explore the full React Hooks Cheatsheet 👉 https://tapascript.io/books/react-hooks-cheatsheet Timecodes 0:00 - Advanced Patterns 01:06 - What’s in Part 2? 02:16 - React Compiler 12:11 - Lazy Loading & Suspense 23:26 - Component Isolation 25:30 - Context Optimizations 28:51 - Virtualization 35:43 - Concurrency and useTransition() 39:36 - Deferred Value 41:56 - List and Keys 42:55 - Tools 44:32 - Tasks 46:03 - One Word of Wisdom 🔔 Subscribe so you don’t miss my content: - ⭐ Subscribe: https://www.youtube.com/tapasadhikary - ⭐ Join: https://www.youtube.com/channel/UCaYr5yxgOyk599Mnb3TGh-g/join ## Important Links - Join My Discord: https://discord.gg/ux9BchWEW3 - Follow tapaScript on GitHub: https://github.com/tapascript - Download the Template: https://topmate.io/tapasadhikary/1737706 - Fake API Repo: https://github.com/tapascript/fake-apis - Source Code Used: https://github.com/tapascript/15-days-of-react-design-patterns - Code in React 19 Repo: https://github.com/atapas/code-in-react-19 - React Compiler: https://react.dev/learn/react-compiler/installation ## If you enjoyed this, check out my other popular series: 40 Days of JavaScript ✅ Start 40 Days of JavaScript: - https://youtu.be/t8QXF85YovE?si=r9sGtJZPtgBl2V27 ✅ Here is another JavaScript Learning Path I recommend: - https://scrimba.com/t0js?via=tapascript ✅ Download the 40 Days of JavaScript Tracker Template: - Link to the template: https://topmate.io/tapasadhikary/382755 ## 👋 Like my work? Thank You! - Join as a Member: https://www.youtube.com/channel/UCaYr5yxgOyk599Mnb3TGh-g/join - Sponsor Me: https://github.com/sponsors/atapas - Sponsor my Blog: https://blog.greenroots.info/sponsor ## 🤝 My Links: - Blog: https://blog.greenroots.info/ - Follow on X(Twitter): https://twitter.com/tapasadhikary - Connect on LinkedIn: https://www.linkedin.com/in/tapasadhikary/ - Follow My Work on GitHub: https://github.com/atapas ## About Me: Tapas Adhikary is an Educator at tapaScript, a Tech enthusiast, Writer, YouTuber, and maintainer/contributor of open-source projects. He is a full-stack developer with vast experience building SaaS solutions. He is the founder of the ReactPlay platform, which is driven by open-source projects and a fast-growing community. You can find more about him at https://tapasadhikary.com & https://tapascript.io #reactjs #designpatterns #reactcourse #learnreact