React Developer Tools
The React Developer Tools is an extension for both Chrome and Firefox
Tutorial: react-devtools-tutorial.vercel.app/
Components Tab
It allows dev to edit the props and state of components in the browser using the right side panel.
There is also a Suspense API in the right panel ( ⏱ ) that shows what the app looks like while waiting for that specific component to load.
Profiler Tab
By recording action/ events, dev can view how many times a component rendered and the amount of time it took