| Used Operating Systems |
| 1 | 266 | 42.22 | 47 | 27.98 | Windows NT |
| 2 | 137 | 21.75 | 55 | 32.74 | +http://www.google.com/bot.html |
| 3 | 60 | 9.52 | 4 | 2.38 | +http://www.dontbuylists.com/ |
| 4 | 52 | 8.25 | 25 | 14.88 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 22 | 3.49 | 11 | 6.55 | +http://www.exabot.com/go/robot |
| 6 | 22 | 3.49 | 11 | 6.55 | +http://about.ask.com/en/docs/about/webm... |
| 7 | 20 | 3.17 | 4 | 2.38 | Linux i686 [unknown version] |
| 8 | 16 | 2.54 | 2 | 1.19 | Windows NT 5.2 |
| 9 | 14 | 2.22 | 2 | 1.19 | Windows 98 |
| 10 | 10 | 1.59 | 2 | 1.19 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 7 | 1.11 | 3 | 1.79 | http://www.searchme.com/support/ |
| 12 | 4 | 0.63 | 2 | 1.19 | +info@netcraft.com |
