| Used Operating Systems |
| 1 | 648 | 33.08 | 314 | 38.15 | +http://www.bing.com/bingbot.htm |
| 2 | 606 | 30.93 | 227 | 27.58 | Windows NT |
| 3 | 460 | 23.48 | 185 | 22.48 | +http://www.google.com/bot.html |
| 4 | 168 | 8.58 | 80 | 9.72 | +http://yandex.com/bots |
| 5 | 20 | 1.02 | 5 | 0.61 | Intel Mac OS X 10.5 |
| 6 | 20 | 1.02 | 2 | 0.24 | Intel Mac OS X 10.6 |
| 7 | 15 | 0.77 | 0 | 0.00 | Windows 98 |
| 8 | 12 | 0.61 | 5 | 0.61 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 4 | 0.20 | 2 | 0.24 | http://www.dotnetdotcom.org/, crawler@do... |
| 10 | 2 | 0.10 | 2 | 0.24 | http://www.search17.com/bot.php |
| 11 | 2 | 0.10 | 1 | 0.12 | +http://about.ask.com/en/docs/about/webm... |
| 12 | 2 | 0.10 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
