Pagespeed: Insights is a tool that helps you

PageSpeed Insights is a tool that helps you measure and improve the performance of your web pages on all devices. Learn how to use it, what's new, and more resources on web performance from Google Developers. Learn what page speed is, why it matters for SEO, and how to check and optimize it with tools and tips. Find out how to choose the right image format, compress images, enable browser caching, minify code, and more. More on PageSpeed Insights What's new Documentation Learn about web performance Ask questions on Stack Overflow Mailing list Related content Updates Web Fundamentals Case studies Podcasts Connect Twitter YouTube Chrome Firebase All products PageSpeed Insights You can't improve your website's performance without first measuring it. PageSpeed Insights is a tool that measures the performance of your website using important user-centric metrics, and can help you to identify areas where you can improve the performance of your website.