| Used Operating Systems |
| 1 | 2291 | 53.12 | 456 | 44.49 | Windows NT |
| 2 | 1029 | 23.86 | 235 | 22.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 592 | 13.73 | 175 | 17.07 | +http://www.google.com/bot.html |
| 4 | 114 | 2.64 | 15 | 1.46 | +http://yandex.com/bots |
| 5 | 78 | 1.81 | 7 | 0.68 | http://www.dotnetdotcom.org/, crawler@do... |
| 6 | 48 | 1.11 | 35 | 3.41 | Windows 98 |
| 7 | 44 | 1.02 | 36 | 3.51 | Windows 95 |
| 8 | 26 | 0.60 | 6 | 0.59 | +http://www.seoprofiler.com/bot |
| 9 | 20 | 0.46 | 6 | 0.59 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 12 | 0.28 | 9 | 0.88 | Windows ME |
| 11 | 8 | 0.19 | 8 | 0.78 | Windows CE |
| 12 | 8 | 0.19 | 7 | 0.68 | Windows 2000 |
| 13 | 8 | 0.19 | 8 | 0.78 | ) - BrowseX (2.0.0 Windows |
| 14 | 6 | 0.14 | 5 | 0.49 | Auto; Windows |
| 15 | 6 | 0.14 | 3 | 0.29 | Windows XP |
| 16 | 6 | 0.14 | 1 | 0.10 | MirrorDetector; +http://yandex.com/bots |
| 17 | 6 | 0.14 | 5 | 0.49 | MSIE 5.5; Windows NT 5.0 |
| 18 | 4 | 0.09 | 3 | 0.29 | Windows 3.1 |
| 19 | 2 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 20 | 2 | 0.05 | 2 | 0.20 | Linux i686 [unknown version] |
| 21 | 2 | 0.05 | 2 | 0.20 | +info@netcraft.com |
| 22 | 1 | 0.02 | 1 | 0.10 | PPC Mac OS X Mach-O |
