| Used Operating Systems |
| 1 | 236 | 32.37 | 84 | 34.85 | +http://www.google.com/bot.html |
| 2 | 229 | 31.41 | 39 | 16.18 | Windows NT |
| 3 | 130 | 17.83 | 64 | 26.56 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 44 | 6.04 | 20 | 8.30 | +http://about.ask.com/en/docs/about/webm... |
| 5 | 26 | 3.57 | 12 | 4.98 | +http://www.exabot.com/go/robot |
| 6 | 20 | 2.74 | 4 | 1.66 | Linux i686 [unknown version] |
| 7 | 16 | 2.19 | 2 | 0.83 | Windows NT 5.2 |
| 8 | 12 | 1.65 | 6 | 2.49 | Windows 98 |
| 9 | 6 | 0.82 | 4 | 1.66 | +http://www.dontbuylists.com/ |
| 10 | 4 | 0.55 | 2 | 0.83 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 4 | 0.55 | 2 | 0.83 | +info@netcraft.com |
| 12 | 2 | 0.27 | 2 | 0.83 | Windows XP |
