| Used Operating Systems |
| 1 | 670 | 30.62 | 254 | 43.79 | +http://www.google.com/bot.html |
| 2 | 643 | 29.39 | 143 | 24.66 | Windows NT |
| 3 | 391 | 17.87 | 74 | 12.76 | +http://www.bing.com/bingbot.htm |
| 4 | 146 | 6.67 | 48 | 8.28 | +http://yandex.com/bots |
| 5 | 95 | 4.34 | 10 | 1.72 | Intel Mac OS X 10.6 |
| 6 | 58 | 2.65 | 2 | 0.34 | +http://www.puritysearch.net/ |
| 7 | 56 | 2.56 | 12 | 2.07 | http://www.dotnetdotcom.org/, crawler@do... |
| 8 | 54 | 2.47 | 24 | 4.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 36 | 1.65 | 5 | 0.86 | Intel Mac OS X 10.5 |
| 10 | 21 | 0.96 | 6 | 1.03 | Linux i686 [unknown version] |
| 11 | 16 | 0.73 | 2 | 0.34 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 2 | 0.09 | 0 | 0.00 | http://desktop.google.com/ |
