| Used Operating Systems |
| 1 | 3049 | 76.49 | 458 | 73.40 | Windows NT |
| 2 | 336 | 8.43 | 39 | 6.25 | +http://www.google.com/bot.html |
| 3 | 157 | 3.94 | 30 | 4.81 | MirrorDetector; +http://yandex.com/bots |
| 4 | 126 | 3.16 | 38 | 6.09 | +http://yandex.com/bots |
| 5 | 64 | 1.61 | 1 | 0.16 | +http://www.puritysearch.net/ |
| 6 | 51 | 1.28 | 7 | 1.12 | Intel Mac OS X 10.6 |
| 7 | 36 | 0.90 | 6 | 0.96 | Intel Mac OS X 10.5 |
| 8 | 30 | 0.75 | 5 | 0.80 | Intel Mac OS X |
| 9 | 26 | 0.65 | 9 | 1.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 26 | 0.65 | 5 | 0.80 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 14 | 0.35 | 2 | 0.32 | Intel Mac OS X 10.4 |
| 12 | 14 | 0.35 | 2 | 0.32 | PPC Mac OS X 10.5 |
| 13 | 10 | 0.25 | 3 | 0.48 | +http://www.scoutjet.com/ |
| 14 | 10 | 0.25 | 5 | 0.80 | +http://about.ask.com/en/docs/about/webm... |
| 15 | 8 | 0.20 | 2 | 0.32 | Linux i686 [unknown version] |
| 16 | 7 | 0.18 | 1 | 0.16 | Linux [unknown version] |
| 17 | 7 | 0.18 | 4 | 0.64 | Windows 98 |
| 18 | 4 | 0.10 | 2 | 0.32 | http://www.botje.com/plukkie.htm |
| 19 | 4 | 0.10 | 2 | 0.32 | +http://www.seoprofiler.com/bot |
| 20 | 3 | 0.08 | 1 | 0.16 | +info@netcraft.com |
| 21 | 2 | 0.05 | 1 | 0.16 | +http://www.exabot.com/go/robot |
| 22 | 1 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 23 | 1 | 0.03 | 1 | 0.16 | Windows NT 5.2 |
