From the developer: ""Speed MASTER is a tool that improves your internet connection speed and prevents you from being disconnected. Default registry settings are not optimized to give maximum performance. By optimizing these settings with Speed MASTER, you can increase dialup modem and broadband connection performance by as much as 200 %. Speed MASTER supports Dial-up Modem, Lan, Cable Modem, xDSL, ISDN, T1, Cable/DSL running PPPoE or PPTP, Satellite. ""Speed MASTER includes the 'Stay Connected'. Stay connected is a tool which prevent you from connection drops. Some ISP's drop your connection due to inactivity. Stay connected sends a small TCP/IP packet to given URL to keep your connection active.""