| Used Operating Systems |
| 1 | 16013 | 89.38 | 836 | 68.47 | Windows NT |
| 2 | 900 | 5.02 | 297 | 24.32 | +http://www.google.com/bot.html |
| 3 | 498 | 2.78 | 2 | 0.16 | +http://www.puritysearch.net/ |
| 4 | 270 | 1.51 | 56 | 4.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 106 | 0.59 | 2 | 0.16 | Windows NT 5.2 |
| 6 | 31 | 0.17 | 16 | 1.31 | +http://yandex.com/bots |
| 7 | 26 | 0.15 | 4 | 0.33 | Linux i686 [unknown version] |
| 8 | 14 | 0.08 | 3 | 0.25 | Intel Mac OS X 10.6 |
| 9 | 12 | 0.07 | 4 | 0.33 | Intel Mac OS X 10.5 |
| 10 | 11 | 0.06 | 0 | 0.00 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 10 | 0.06 | 0 | 0.00 | http://help.naver.com/customer_webtxt_02... |
| 12 | 6 | 0.03 | 1 | 0.08 | MirrorDetector; +http://yandex.com/bots |
| 13 | 4 | 0.02 | 0 | 0.00 | +http://www.seoprofiler.com/bot |
| 14 | 4 | 0.02 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 4 | 0.02 | 0 | 0.00 | +http://www.seoprofiler.com/bot/ |
| 16 | 4 | 0.02 | 0 | 0.00 | Windows 98 |
| 17 | 2 | 0.01 | 0 | 0.00 | SunOS sun4u |
| 18 | 1 | 0.01 | 0 | 0.00 | Linux [unknown version] |
