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Documentation. Learn about Web Performance. 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.
GTmetrix is a free tool to test and monitor your page's performance. Using Lighthouse, GTmetrix generates scores for your pages and offers actionable recommendations on how to optimize them.
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations. Get Instant Visibility into Internet Outages Affecting Your Sites.
SpeedLab scores your website on important performance metrics and compares it with popular websites. Test your website speed on real browsers and devices, get actionable insights and troubleshoot issues with HAR logs or BrowserStack Live.
PageSpeed Insights. Running analysis. More on PageSpeed Insights What's new Documentation Learn about Web Performance Ask questions on Stack Overflow Mailing list.
Sitechecker.pro offers a tool to evaluate the performance of web pages using various metrics such as FCP, FID, LCP, CLS, and more. You can test the speed of any URL or domain, get detailed reports and recommendations, and compare desktop and mobile versions.
