Dive Into React Native Performance
Article Summary
The React Native team made their app startup twice as fast. Here's how they tackled one of mobile's most critical performance challenges.
Facebook's React Native team shares their journey optimizing performance across iOS and Android, with a particular focus on app startup time. This post dives into why performance matters especially in emerging markets with 2011-class phones on 2G networks.
Key Takeaways
- React Native app startup time improved by 2x through systematic optimization
- Startup performance critical for 2011-class phones on 2G networks in emerging markets
- Team optimized list scrolling, memory efficiency, UI responsiveness, and startup time
- Startup stresses all framework parts, making it the most rewarding challenge
Critical Insight
Facebook doubled React Native startup speed by treating performance as the difference between usable and unusable apps in emerging markets.
