This tutorial teaches you how to use the Chrome DevTools Performance panel to analyze runtime performance. Performance features reference · Profile Node.js performance · Performance panel
These timeline sort options should appear when you click on the sort direction arrow in the Name column, since clicking Timeline column header isn't intuitive ...
The User Timing API gives you a way to measure your app's JavaScript performance. You do that by inserting API calls in your JavaScript and then extracting ... What's the User Timing API? · How Lighthouse reports User...
The Developer Tools Console (DevTools) seems to take a while to open (shortcut F12). Indeed, the opening was instantaneous before and now takes about 5 seconds.