⚒ New Engineering blog post on scroll badge! Have you ever spent ages trying to figure out which element is actually scrolling on a page?

#ChromeDevTools added a new scroll badge to help you spot them easier! In this blog post, Ionuț and I will walk us through the feature and the technical implementation behind the scenes.

📜 https://developer.chrome.com/blog/swe-devtools-scroll-badge

New in #ChromeDevTools, create your own track in the performance panel with performance.measure and more! 🐶 @tunetheweb

Check out the API & code sample here: https://developer.chrome.com/docs/devtools/performance/extension#code_examples

If you are using React, this is a demo: https://github.com/and-oli/corgi-collage-React

You can capture CSS selector stats and identify slow selectors in the Performance panel! #chromedevtools #css #webperformance