| Used Operating Systems |
| 1 | 463 | 50.55 | 51 | 25.12 | Windows NT |
| 2 | 127 | 13.86 | 56 | 27.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 116 | 12.66 | 53 | 26.11 | +http://www.google.com/bot.html |
| 4 | 54 | 5.90 | 2 | 0.99 | +http://www.dontbuylists.com/ |
| 5 | 34 | 3.71 | 17 | 8.37 | +http://about.ask.com/en/docs/about/webm... |
| 6 | 22 | 2.40 | 2 | 0.99 | PPC Mac OS X Mach-O |
| 7 | 20 | 2.18 | 5 | 2.46 | Linux i686 [unknown version] |
| 8 | 18 | 1.97 | 8 | 3.94 | +http://www.exabot.com/go/robot |
| 9 | 16 | 1.75 | 0 | 0.00 | Windows 98 |
| 10 | 16 | 1.75 | 2 | 0.99 | Windows NT 5.2 |
| 11 | 14 | 1.53 | 2 | 0.99 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 12 | 1.31 | 3 | 1.48 | +http://www.scoutjet.com/ |
| 13 | 4 | 0.44 | 2 | 0.99 | +info@netcraft.com |
