| Used Operating Systems |
| 1 | 37518 | 97.26 | 946 | 81.69 | Windows NT |
| 2 | 454 | 1.18 | 21 | 1.81 | Intel Mac OS X |
| 3 | 177 | 0.46 | 50 | 4.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 167 | 0.43 | 84 | 7.25 | +http://www.google.com/bot.html |
| 5 | 58 | 0.15 | 10 | 0.86 | Windows 98 |
| 6 | 54 | 0.14 | 12 | 1.04 | Linux i686 [unknown version] |
| 7 | 48 | 0.12 | 2 | 0.17 | PPC Mac OS X Mach-O |
| 8 | 36 | 0.09 | 18 | 1.55 | +http://about.ask.com/en/docs/about/webm... |
| 9 | 18 | 0.05 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 12 | 0.03 | 2 | 0.17 | BeOS |
| 11 | 8 | 0.02 | 2 | 0.17 | +http://WebDataCentre.com/ |
| 12 | 8 | 0.02 | 4 | 0.35 | Windows NT 5.2 |
| 13 | 6 | 0.02 | 1 | 0.09 | Windows ME |
| 14 | 4 | 0.01 | 2 | 0.17 | http://oso.octopodus.com/abot.html |
| 15 | 4 | 0.01 | 2 | 0.17 | Windows XP |
| 16 | 2 | 0.01 | 2 | 0.17 | +http://www.rexyo.com/robot.html |
