| Used Operating Systems |
| 1 | 487 | 40.45 | 203 | 52.05 | Windows NT |
| 2 | 411 | 34.14 | 115 | 29.49 | +http://www.google.com/bot.html |
| 3 | 139 | 11.54 | 37 | 9.49 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 62 | 5.15 | 2 | 0.51 | Windows NT 5.2 |
| 5 | 26 | 2.16 | 6 | 1.54 | Linux i686 [unknown version] |
| 6 | 22 | 1.83 | 11 | 2.82 | http://www.searchme.com/support/ |
| 7 | 20 | 1.66 | 8 | 2.05 | +http://about.ask.com/en/docs/about/webm... |
| 8 | 14 | 1.16 | 1 | 0.26 | +http://www.forumseek.net |
| 9 | 14 | 1.16 | 2 | 0.51 | Windows 98 |
| 10 | 4 | 0.33 | 2 | 0.51 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 3 | 0.25 | 1 | 0.26 | +info@netcraft.com |
| 12 | 2 | 0.17 | 2 | 0.51 | Windows 95 |
