| Used Operating Systems |
| 1 | 13023 | 81.56 | 602 | 60.56 | Windows NT |
| 2 | 809 | 5.07 | 43 | 4.33 | Intel Mac OS X 10.6 |
| 3 | 418 | 2.62 | 21 | 2.11 | Linux [unknown version] |
| 4 | 389 | 2.44 | 160 | 16.10 | +http://www.google.com/bot.html |
| 5 | 356 | 2.23 | 20 | 2.01 | Intel Mac OS X 10.5 |
| 6 | 250 | 1.57 | 6 | 0.60 | Intel Mac OS X |
| 7 | 191 | 1.20 | 61 | 6.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 176 | 1.10 | 22 | 2.21 | http://www.dotnetdotcom.org/, crawler@do... |
| 9 | 114 | 0.71 | 14 | 1.41 | Linux i686 [unknown version] |
| 10 | 84 | 0.53 | 4 | 0.40 | Intel Mac OS X 10.4 |
| 11 | 45 | 0.28 | 21 | 2.11 | +http://about.ask.com/en/docs/about/webm... |
| 12 | 42 | 0.26 | 3 | 0.30 | SunOS sun4u |
| 13 | 32 | 0.20 | 11 | 1.11 | +http://www.seoprofiler.com/bot/ |
| 14 | 16 | 0.10 | 3 | 0.30 | +http://www.exabot.com/go/robot |
| 15 | 11 | 0.07 | 0 | 0.00 | http://desktop.google.com/ |
| 16 | 4 | 0.03 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
| 17 | 4 | 0.03 | 2 | 0.20 | http://www.majestic12.co.uk/bot.php?+ |
| 18 | 2 | 0.01 | 1 | 0.10 | X11 |
| 19 | 1 | 0.01 | 0 | 0.00 | Windows XP |
