Category: rendering

Using the Paint Timing API

It’s a great time to be a web performance aficionado, and the arrival of the Paint Timing API in Chrome 60 is proof positive of that fact. The Paint Timing API is yet another addition to the burgeoning Performance API, but instead of capturing page and resource timings, this new and experimental API allows you to...

Understanding the Critical Rendering Path

Ire Aderinokun: There are 6 stages to the CRP – Constructing the DOM Tree Constructing the CSSOM Tree Running JavaScript Creating the Render Tree Generating the Layout Painting I imagine if you’re really getting into performance work, you’ll want a firm understanding of this. There are lots of way...