Explains the CSS `contain` property, its values, and use cases for optimizing web performance by isolating DOM sub-trees.
Explains how the experimental createImageBitmap API can move image decoding off the main thread to prevent jank and checkerboarding in web apps.
A guide to detecting and measuring webpage jank (poor scrolling performance) using a custom JavaScript bookmarklet and browser developer tools.
Explains why using CSS translate() for animations is more performant than position:absolute with top/left, covering GPU acceleration and paint costs.
