Chrome 37 introduced a GPU rasterizer. When enabled, some paint workloads can go from 100ms/frame to 4-5ms/frame. It doesn't run for all content, but is enabled as a combination of viewport settings and a device allow-list. How to enable GPU rasterization: Chrome on Android version >= 54 (chromium rev 406004) Define a viewport. (Either as a <meta> tag, or in CSS as @viewport). Any viewport definit