| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 24016 | 26 % | ||
 | Windows XP | 15304 | 16.5 % |  |
 | Windows (unknown version) | 9 | 0 % | |
 | Windows NT | 10 | 0 % | |
 | Windows ME | 2 | 0 % | |
 | Windows Vista (LongHorn) | 1750 | 1.8 % | |
 | Windows 98 | 18 | 0 % | |
 | Windows 95 | 2 | 0 % | |
 | Windows 2008 | 6250 | 6.7 % | |
 | Windows 2003 | 429 | 0.4 % | |
 | Windows 2000 | 242 | 0.2 % | |
| BSD | 953 | 1 % | ||
 | OpenBSD | 189 | 0.2 % | |
 | NetBSD | 118 | 0.1 % | |
 | FreeBSD | 646 | 0.6 % | |
| Linux | 53975 | 58.4 % | ||
 | Ubuntu | 14080 | 15.2 % | |
 | Suse | 1682 | 1.8 % | |
 | Red Hat | 135 | 0.1 % | |
 | Mandriva (or Mandrake) | 411 | 0.4 % | |
 | Gentoo | 2384 | 2.5 % | |
 | Fedora | 1851 | 2 % | |
 | Debian | 1894 | 2 % | |
 | Centos | 232 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 31306 | 33.8 % | |
| Macintosh | 4566 | 4.9 % | ||
 | Mac OS X | 4499 | 4.8 % | |
 | Mac OS | 67 | 0 % | |
| Others | 8849 | 9.5 % | ||
 | Unknown | 8507 | 9.2 % | |
 | Sun Solaris | 221 | 0.2 % | |
 | BeOS | 57 | 0 % | |
 | Unknown Unix system | 40 | 0 % | |
 | AmigaOS | 15 | 0 % | |
 | Symbian OS | 9 | 0 % | |