How to measure and improve React Native app performance
Blog post from New Relic
React Native offers potential for high performance in app development, but it lacks built-in tools for measuring app speed, requiring developers to optimize performance manually. This text explores how to measure performance through component load time, user session duration, app launch count, and user interactions using New Relic's React Native agent. Initially focusing on class components and then transitioning to functional components, the author demonstrates capturing these metrics by using lifecycle methods and hooks like `useEffect` for functional components. The process involves creating custom instrumentation to monitor performance metrics, ultimately aiming to enhance user experience by identifying areas for improvement. The article concludes by noting the positive outcomes of implementing these strategies, encouraging developers to further explore performance monitoring in React Native applications.