Web Load Speed Test - Test your website load speed from 6 locations at once
Visitor Queue Contacts - Discover which companies have visited your site & contacts.
Global Website Speed Test - Test website load speed from 18 cities, including 3 in China
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
Speedtest by Ookla - Measure your ISP's performance in a click
speedtest-cli - Test your download speed using SpeedTest on the command-line