| Used Operating Systems |
| 1 | 11901 | 66.74 | 576 | 46.91 | Windows NT |
| 2 | 3200 | 17.95 | 187 | 15.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 932 | 5.23 | 291 | 23.70 | +http://www.google.com/bot.html |
| 4 | 868 | 4.87 | 70 | 5.70 | http://www.dotnetdotcom.org/, crawler@do... |
| 5 | 396 | 2.22 | 41 | 3.34 | +http://www.seoprofiler.com/bot/ |
| 6 | 250 | 1.40 | 1 | 0.08 | +http://www.puritysearch.net/ |
| 7 | 113 | 0.63 | 7 | 0.57 | Linux i686 [unknown version] |
| 8 | 64 | 0.36 | 2 | 0.16 | Intel Mac OS X 10.4 |
| 9 | 38 | 0.21 | 17 | 1.38 | Windows 98 |
| 10 | 36 | 0.20 | 18 | 1.47 | +http://about.ask.com/en/docs/about/webm... |
| 11 | 12 | 0.07 | 2 | 0.16 | Windows NT 5.2 |
| 12 | 4 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 13 | 4 | 0.02 | 4 | 0.33 | Windows 95 |
| 14 | 4 | 0.02 | 3 | 0.24 | PPC Mac OS X Mach-O |
| 15 | 2 | 0.01 | 2 | 0.16 | Auto; Windows |
| 16 | 2 | 0.01 | 1 | 0.08 | +http://www.scoutjet.com/ |
| 17 | 1 | 0.01 | 1 | 0.08 | Intel Mac OS X |
| 18 | 1 | 0.01 | 1 | 0.08 | BluDarter |
| 19 | 1 | 0.01 | 1 | 0.08 | Windows 2000 |
| 20 | 1 | 0.01 | 1 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 21 | 1 | 0.01 | 1 | 0.08 | +info@netcraft.com |
| 22 | 1 | 0.01 | 1 | 0.08 | Windows XP |
