DareBoost - DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website optimization in a single service.
Fast.com - Quickly test your internet speed with this fast-loading speed test powered by Netflix.
Lighthouse - Collaborate effortlessly on projects. Whether you’re a team of 5 or studio of 50, Lighthouse will help you keep track of your project development with ease.
LibreSpeed - Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly.
Passmarked - Simple, all-in-one test to check the quality of your website
speedtest-cli - Test your download speed using SpeedTest on the command-line