What Is Google PageSpeed Insights (PSI)? — Wiki
Google PageSpeed Insights is designed to help improve user experience by providing insight into how quickly pages load and what elements of a page may be slowing it down.. What is Google PageSpeed Insights (PSI)? Getthit
What Is Time On Webpage? — Wiki
Maximize the Time On Page focusing the efforts towards optimizing both usability and engagement with visitors by providing relevant information in an easily digestible format that encourages . Time on webpage is a measure of how long visitors spend on a page before navigating away from it.