Welcome to the PageSpeed Insights SDK Project Site

This is the community website for developers of PageSpeed Insights, an SDK used in browser plugins and other web performance tools, that can be used to identify ways to speed up your web pages. This site is for PageSpeed Insights development. If you want to use PageSpeed Insights to analyze your web pages, or read PageSpeed's documentation, see https://developers.google.com/speed/pagespeed/. What is PageSpeed Insights?

PageSpeed Insights is an open-source C++ SDK, that powers browser extensions available for Chrome and Firefox, as well as the online version of PageSpeed Insights. Webmasters and web developers can use PageSpeed Insights to evaluate the performance of their web pages and to get suggestions on how to improve them.