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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.. What is Google PageSpeed Insights (PSI)? Getthit
What Is Google Lighthouse? — Wiki
Google Lighthouse provides automated tests that evaluate the performance, accessibility, best practices and progressive web apps related metrics of any given website.. Google Lighthouse offers insights into how a page is performing on different devices and browsers.