This article aims to measure the time it takes for a screen to load data and draw its UI elements. These steps must be taken before the user can interact with the UI.

Measuring load time is not just a task, it's a critical step to ensure a fast and smooth user experience. It's your key to determining if new feature development or refactoring positively or negatively impacted the app’s performance.

Rest assured, after finishing this guide, you’ll build a custom hook that can be seamlessly plugged into any React, or React Native app and start measuring load time.

More: https://medium.com/@i-ads/performance-measuring-screen-load-time-0c3322b2a2a4