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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.. Google PageSpeed Insights (PSI)
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 is a free, open-source auditing tool for improving the quality of web pages.