Slow or uneven animations in a webpage create the perception that a site is slow or unresponsive. This sample demonstrates both good and not-so-good animation methods, showing how to analyze them with the UI Responsiveness tool in Internet Explorer 11 and better understand the information it provides.
This sample lets you test moving a number of DOM elements in different configurations, walking you through a few different scenarios and showing you how to use the UI Responsiveness tool to see how each impacts animation speed and why.