| Used Operating Systems |
| 1 | 499 | 36.83 | 195 | 37.36 | +http://www.google.com/bot.html |
| 2 | 324 | 23.91 | 154 | 29.50 | +http://www.bing.com/bingbot.htm |
| 3 | 198 | 14.61 | 54 | 10.34 | +http://yandex.com/bots |
| 4 | 170 | 12.55 | 106 | 20.31 | Windows NT |
| 5 | 110 | 8.12 | 2 | 0.38 | +http://www.puritysearch.net/ |
| 6 | 20 | 1.48 | 0 | 0.00 | Windows 98 |
| 7 | 16 | 1.18 | 5 | 0.96 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 10 | 0.74 | 3 | 0.57 | http://www.dotnetdotcom.org/, crawler@do... |
| 9 | 6 | 0.44 | 2 | 0.38 | Intel Mac OS X 10.6 |
| 10 | 1 | 0.07 | 0 | 0.00 | http://desktop.google.com/ |
| 11 | 1 | 0.07 | 1 | 0.19 | Linux i686 [unknown version] |
