React Native Performance Articles

Tutorials Aug 18, 2026Advanced

React Native Memory Profiling with Hermes: Heap Snapshots, Leaks, and Retainers in Expo (2026)

Capture heap snapshots from a Hermes-powered React Native app in Expo, read retainer paths in Chrome DevTools, and catch the three most common leaks with numbers, traces, and CI regression tests.

Carlos Mendoza 14 min read

Tutorials Jun 12, 2026Advanced

React Native Startup Time Optimization in 2026: Cold Start, TTI, and Hermes Profiling

Cut React Native cold-start TTI below 1.5s on mid-range Android. Hermes sampling profiler walkthrough, inlineRequires, TurboModule lazy loading, React Compiler, and CI regression gates with real before/after benchmarks from production apps.

Carlos Mendoza 11 min read