| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 17937 | 34.3 % | ||
 | Windows XP | 9539 | 18.2 % |  |
 | Windows (unknown version) | 68 | 0.1 % | |
 | Windows NT | 109 | 0.2 % | |
 | Windows ME | 40 | 0 % | |
 | Windows Vista (LongHorn) | 1231 | 2.3 % | |
 | Windows Mobile | 15 | 0 % | |
 | Windows 98 | 78 | 0.1 % | |
 | Windows 95 | 40 | 0 % | |
 | Windows 2008 | 6348 | 12.1 % | |
 | Windows 2003 | 255 | 0.4 % | |
 | Windows 2000 | 212 | 0.4 % | |
 | Windows 3.xx | 2 | 0 % | |
| BSD | 739 | 1.4 % | ||
 | OpenBSD | 86 | 0.1 % | |
 | NetBSD | 24 | 0 % | |
 | FreeBSD | 629 | 1.2 % | |
| Linux | 28254 | 54.1 % | ||
 | Ubuntu | 8095 | 15.5 % | |
 | Suse | 235 | 0.4 % | |
 | Red Hat | 57 | 0.1 % | |
 | Mandriva (or Mandrake) | 86 | 0.1 % | |
 | Gentoo | 1078 | 2 % | |
 | Fedora | 658 | 1.2 % | |
 | Debian | 465 | 0.8 % | |
 | Centos | 8 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 17572 | 33.6 % | |
| Macintosh | 2531 | 4.8 % | ||
 | Mac OS X | 2527 | 4.8 % | |
 | Mac OS | 4 | 0 % | |
| Others | 2731 | 5.2 % | ||
 | Unknown | 2606 | 4.9 % | |
 | Sun Solaris | 75 | 0.1 % | |
 | Unknown Unix system | 22 | 0 % | |
 | Symbian OS | 18 | 0 % | |
 | OS/2 | 10 | 0 % | |