| Used Operating Systems |
| 1 | 1990 | 80.24 | 459 | 79.97 | Windows NT |
| 2 | 132 | 5.32 | 43 | 7.49 | +http://www.google.com/bot.html |
| 3 | 106 | 4.27 | 18 | 3.14 | Intel Mac OS X 10.5 |
| 4 | 77 | 3.10 | 0 | 0.00 | Windows XP |
| 5 | 48 | 1.94 | 15 | 2.61 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 31 | 1.25 | 6 | 1.05 | Intel Mac OS X |
| 7 | 26 | 1.05 | 7 | 1.22 | Windows 98 |
| 8 | 24 | 0.97 | 4 | 0.70 | Intel Mac OS X 10.4 |
| 9 | 24 | 0.97 | 12 | 2.09 | +http://about.ask.com/en/docs/about/webm... |
| 10 | 4 | 0.16 | 2 | 0.35 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 4 | 0.16 | 2 | 0.35 | +info@netcraft.com |
| 12 | 2 | 0.08 | 0 | 0.00 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 13 | 2 | 0.08 | 0 | 0.00 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 14 | 2 | 0.08 | 1 | 0.17 | http://www.botje.com/plukkie.htm |
| 15 | 2 | 0.08 | 2 | 0.35 | Windows 95 |
| 16 | 2 | 0.08 | 0 | 0.00 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 17 | 2 | 0.08 | 2 | 0.35 | Windows NT 5.2 |
| 18 | 1 | 0.04 | 0 | 0.00 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 19 | 1 | 0.04 | 1 | 0.17 | SunOS sun4u |
