Speedtest by Ookla - The Global Broadband Speed Test
Test your internet speed on any device with Speedtest by Ookla, available for free on desktop and mobile apps.
Internet Speed Test | Fast.com
How fast is your download speed? In seconds, FAST.com's simple Internet speed test will estimate your ISP speed.
PageSpeed Insights
More on PageSpeed Insights What's new Documentation Learn about Web Performance Ask questions on Stack Overflow Mailing list
GTmetrix | Website Performance Testing and Monitoring
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.
Make the Web Faster | Google for Developers
Discover tools and information to help you build high-performance websites.
Website Speed Test | Pingdom Tools
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
Free Website Speed Test | Testing And Monitoring - DebugBear
Measure the speed and Core Web Vitals of your website. Find out how to make your website load faster and rank well in Google.