PageSpeed Insights, now powered by Lighthouse

At Google, we know that speed matters and we provide a variety of tools to help everyone understand the performance of a page or site. Historically,…

Using page speed in mobile search ranking

Update July 9, 2018: The Speed Update is now rolling out for all users. People want to be able to find answers to their questions as fast as possible …

Real-world data in PageSpeed Insights

PageSpeed Insights provides information about how well a page adheres to a set of best practices. In the past, these recommendations were presented w…