| Used Operating Systems |
| 1 | 1933 | 64.82 | 423 | 58.26 | Windows NT |
| 2 | 535 | 17.94 | 156 | 21.49 | +http://www.google.com/bot.html |
| 3 | 193 | 6.47 | 60 | 8.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 93 | 3.12 | 8 | 1.10 | Linux i686 [unknown version] |
| 5 | 79 | 2.65 | 30 | 4.13 | +http://about.ask.com/en/docs/about/webm... |
| 6 | 68 | 2.28 | 20 | 2.75 | +http://www.scoutjet.com/ |
| 7 | 32 | 1.07 | 5 | 0.69 | Windows 98 |
| 8 | 18 | 0.60 | 9 | 1.24 | +http://www.exabot.com/go/robot |
| 9 | 12 | 0.40 | 4 | 0.55 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 4 | 0.13 | 2 | 0.28 | http://www.searchme.com/support/ |
| 11 | 4 | 0.13 | 1 | 0.14 | +http://www.become.com/site_owners.html |
| 12 | 4 | 0.13 | 2 | 0.28 | Windows NT 5.2 |
| 13 | 2 | 0.07 | 2 | 0.28 | Windows CE |
| 14 | 2 | 0.07 | 2 | 0.28 | Win32 |
| 15 | 2 | 0.07 | 1 | 0.14 | Windows 95 |
| 16 | 1 | 0.03 | 1 | 0.14 | Windows 2000 |
