What Is Google PageSpeed Insights (PSI)? — Wiki
Google PageSpeed Insights (PSI) is an incredibly useful tool for webmasters, designers, and developers to measure the performance of a website.. Google PageSpeed Insights provides scores on a scale from 0-100 that can be used as indicators of website performance relative to other sites on the internet.
What Is Google Lighthouse? — Wiki
Google Lighthouse is an open-source tool built by Google to help developers measures the performance and standard of their web pages. . What is Google lighthouse? Getthit