You can go EVERYWHERE but I can go FAST - performance case study
summary
Profiles React Native apps with Flipper profiling and shows concrete wins: bundle cut from 28MB→15MB yielding ~26% download and ~10% execution speedups and ~13% TTI improvement; a heavy shimmer component drops render from 132ms to 36ms (4x faster); a component subtree shrinks 38→20 nodes, preventing extra renders; app performance score rises 80→95 and JS FPS 37→55; release JS+native builds give the fastest startup.
AI-written summary · about
chapters (9)
- 0:00Introduction analogy
- 1:08Hypercar engine analogy
- 3:15Bundle size reduction
- 6:57Shimmers performance issue
- 9:43Component structure optimization
- 12:38React hooks performance
- 16:09Development vs production
- 19:22Performance improvements summary
- 20:27Conclusion and key takeaways
related talks
39mPerformance Does Matter - Making Your React-Native App Fast
26mMeasuring and Improving React Native Performance
31mThe performance myths of React Native
24mThe Performance Myths of React Native apps
30mMaking React Native Fast & Lean
24mOptimising React Native "Tools and Tips"
23mPractical Performance for React Native
39mAndroid App Performance in a Nutshell
