| Used Operating Systems |
| 1 | 478 | 56.30 | 214 | 62.39 | Windows NT |
| 2 | 154 | 18.14 | 72 | 20.99 | +http://www.google.com/bot.html |
| 3 | 150 | 17.67 | 32 | 9.33 | Intel Mac OS X 10.6 |
| 4 | 30 | 3.53 | 13 | 3.79 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 8 | 0.94 | 4 | 1.17 | Linux i686 [unknown version] |
| 6 | 6 | 0.71 | 0 | 0.00 | http://desktop.google.com/ |
| 7 | 6 | 0.71 | 2 | 0.58 | Intel Mac OS X 10.5 |
| 8 | 6 | 0.71 | 3 | 0.87 | +http://about.ask.com/en/docs/about/webm... |
| 9 | 5 | 0.59 | 1 | 0.29 | http://www.dotnetdotcom.org/, crawler@do... |
| 10 | 4 | 0.47 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6000.17037 |
| 11 | 2 | 0.24 | 2 | 0.58 | Windows 98 |
