| Used Operating Systems |
| 1 | 688 | 34.42 | 256 | 42.45 | +http://www.google.com/bot.html |
| 2 | 458 | 22.91 | 73 | 12.11 | +http://www.bing.com/bingbot.htm |
| 3 | 357 | 17.86 | 110 | 18.24 | Windows NT |
| 4 | 270 | 13.51 | 98 | 16.25 | +http://yandex.com/bots |
| 5 | 82 | 4.10 | 18 | 2.99 | http://www.dotnetdotcom.org/, crawler@do... |
| 6 | 64 | 3.20 | 29 | 4.81 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 27 | 1.35 | 1 | 0.17 | +http://www.puritysearch.net/ |
| 8 | 18 | 0.90 | 4 | 0.66 | Intel Mac OS X 10.6 |
| 9 | 13 | 0.65 | 5 | 0.83 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 8 | 0.40 | 2 | 0.33 | Linux [unknown version] |
| 11 | 5 | 0.25 | 1 | 0.17 | Intel Mac OS X 10.5 |
| 12 | 4 | 0.20 | 2 | 0.33 | +info@netcraft.com |
| 13 | 3 | 0.15 | 3 | 0.50 | Windows 98 |
| 14 | 2 | 0.10 | 1 | 0.17 | http://www.search17.com/bot.php |
