In the end everything boils down to multiplayer online gaming. This too is the case with defrag and that's where we come in. Modified gameservers all over the world to track process of each player and an extensive database with statistics keeps the competition between players active.

defrag.ru, defrag.fr, wikipedia.org/DeFRaG, steam, quakelive.com, speedcapture.com, q3defrag.org/files