User Interaction is one of the critical aspects you need to concentrate on if you want to deliver a welcoming user experience. Unfortunately, you can’t sit down in their place and see your site from your visitors’ point-of-view, so you need a way to figure out how your site responds to input.

Enter Google PageSpeed Insights. There are 3 metrics in Google PageSpeed Insights that will help you understand the user interaction experience so you can improve, Time to Interactive, Max First Input Delay, and First CPU idle.

In this post, we’re going to cover the metrics Google PageSpeed Insights uses to measure user interaction. I’m going to show you how to improve Time to Interactive, Max First Input Delay, and First CPU idle so you can deliver the best user experience for your visitors.

What is Interactive Design?

Read the entire post on WPMU Dev's site