The extension can perform speedtest of broadband connections and basic network diagnostics. This extension adds an item called 'Broadband Speed Test and Diagnostics' to the Tools Menu in FireFox. It performs the following tasks: Display your public IP address and your public domain name and perform download and upload speed tests. This version is the first release on CNET Download.com.
||Windows XP/Vista, Firefox 1.5 - 2.0.0