| Used Operating Systems |
| 1 | 5979 | 91.39 | 324 | 63.78 | Windows NT |
| 2 | 183 | 2.80 | 21 | 4.13 | http://www.dotnetdotcom.org/, crawler@do... |
| 3 | 139 | 2.12 | 66 | 12.99 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 99 | 1.51 | 41 | 8.07 | +http://www.google.com/bot.html |
| 5 | 74 | 1.13 | 36 | 7.09 | +http://about.ask.com/en/docs/about/webm... |
| 6 | 14 | 0.21 | 6 | 1.18 | AOL 9.0; Windows NT 5.1; .NET CLR 1.1.43... |
| 7 | 12 | 0.18 | 2 | 0.39 | Linux [unknown version] |
| 8 | 10 | 0.15 | 2 | 0.39 | Intel Mac OS X 10.5 |
| 9 | 8 | 0.12 | 4 | 0.79 | Intel Mac OS X 10.6 |
| 10 | 6 | 0.09 | 3 | 0.59 | http://www.kalooga.com/info.html?page=cr... |
| 11 | 6 | 0.09 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 12 | 4 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 13 | 4 | 0.06 | 2 | 0.39 | +http://discoveryengine.com/discobot.htm... |
| 14 | 2 | 0.03 | 1 | 0.20 | +http://www.seoprofiler.com/bot/ |
| 15 | 2 | 0.03 | 0 | 0.00 | Windows XP |
