The website speed test from Dotcom-Tools enables users to test their web pages from for free with up to three worldwide locations, including from behind the Great Firewall of China to ensure your website can be accessed from users within China. Once a test is complete, users can drill into robust performance reports and waterfall chart analysis. Users may also select which browser they'd like to test from. This test supports Chrome, Edge and mobile browsers including Android, iPhone, iPad and more!