5 React Native Mistakes That Make Your App Slow (Junior vs Senior)

Are you making these React Native mistakes? 👀

In this video, I’ll show you 5 common mistakes that many developers make when building apps with React Native and how to fix them.
These mistakes can make your app slow, increase memory usage, and even affect your app store approval.

This tutorial is perfect for beginner and intermediate React Native developers who want to write cleaner and more efficient code. If you want to go from junior to senior mindset, this video is for you.

💡 Tech stack:
- React Native
- Expo
- JavaScript / TypeScript

⏱️ TIMESTAMPS
00:00 Intro
00:49 First Mistake - Why your FlatList re-renders too much
03:31 Second Mistake - How to avoid memory leaks with useEffect
07:15 Third Mistake - Why console.log can kill your performance
10:20 Fourth Mistake - How to handle safe areas correctly
12:30 Fifth Mistake - How to reduce your app bundle size

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Видео 5 React Native Mistakes That Make Your App Slow (Junior vs Senior) канала LeoNative