| Used Operating Systems |
| 1 | 244 | 40.53 | 31 | 22.79 | Windows NT |
| 2 | 106 | 17.61 | 37 | 27.21 | +http://www.google.com/bot.html |
| 3 | 60 | 9.97 | 28 | 20.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 60 | 9.97 | 3 | 2.21 | +http://www.dontbuylists.com/ |
| 5 | 22 | 3.65 | 11 | 8.09 | +http://about.ask.com/en/docs/about/webm... |
| 6 | 18 | 2.99 | 2 | 1.47 | Linux i686 [unknown version] |
| 7 | 17 | 2.82 | 3 | 2.21 | Windows 98 |
| 8 | 16 | 2.66 | 3 | 2.21 | http://www.dotnetdotcom.org/, crawler@do... |
| 9 | 16 | 2.66 | 2 | 1.47 | Windows NT 5.2 |
| 10 | 10 | 1.66 | 5 | 3.68 | +http://www.exabot.com/go/robot |
| 11 | 8 | 1.33 | 2 | 1.47 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 12 | 7 | 1.16 | 1 | 0.74 | +http://WebDataCentre.com/ |
| 13 | 6 | 1.00 | 3 | 2.21 | http://www.searchme.com/support/ |
| 14 | 6 | 1.00 | 2 | 1.47 | +info@netcraft.com |
| 15 | 4 | 0.66 | 2 | 1.47 | +http://discoveryengine.com/discobot.htm... |
| 16 | 2 | 0.33 | 1 | 0.74 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
