The Ultimate React Performance Guide (Part 1): Stop Useless Re-Renders!

Welcome to Part 1 of the React Performance Mastery Series!
In this video, we break down the core fundamentals every React developer MUST understand to build fast, smooth, and scalable applications.

If your React components re-render too much…
If your UI feels laggy…
If useCallback, useMemo, and React.memo() confuse you…
Or if your search inputs and scroll events keep firing like crazy…

👉 What You’ll Learn in Part 1

In this video, you’ll learn:
✅ Understanding React Re-Renders
✅ Memoization in React (The Right Way)
✅ Derived State Patterns
✅ Debouncing & Throttling in React

🎁 Bonus: Explore the full React Hooks Cheatsheet 👉 https://tapascript.io/books/react-hooks-cheatsheet

Timecodes
0:00 - Performance Patterns
00:52 - What’s in Part 1?
01:51 - Re-Rendering in React
05:29 - Memoization
07:58 - The memo()
12:21 - The useCallback()
20:46 - the useMemo()
28:21 - The Derived State
33:53 - Debouncing
41:40 - Throttling
46:20 - Tasks and End

🔥 If you enjoyed this, Part 2 will blow your mind.

We’ll deep dive into:
- React Compiler
- Component isolation
- Virtualization
- Context optimization
- Lazy loading
- Bundle performance

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Видео The Ultimate React Performance Guide (Part 1): Stop Useless Re-Renders! канала tapaScript by Tapas Adhikary