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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.
Pingdom Website Speed Test. Enter a URL to test the page load time, analyze it, and find bottlenecks.
The Website Speed Checker is a comprehensive tool that measures web page performance using metrics like FCP, FID, LCP, and CLS, offering performance grading and actionable insights for both desktop and mobile sites.
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.
Free website performance analysis. Analyze page speed to see what resources your website loads, watch how it loads step by step, and check if third-party code is slowing you down.
Uptrends' free Website Speed Test gives you a snapshot of how your desktop or mobile users experience your webpage. You get everything you need to make smart performance-related decisions about your website and its content.
