| Used Operating Systems |
| 1 | 10673 | 65.94 | 491 | 42.47 | Windows NT |
| 2 | 3025 | 18.69 | 158 | 13.67 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 1161 | 7.17 | 363 | 31.40 | +http://www.google.com/bot.html |
| 4 | 766 | 4.73 | 38 | 3.29 | http://www.dotnetdotcom.org/, crawler@do... |
| 5 | 200 | 1.24 | 1 | 0.09 | +http://www.puritysearch.net/ |
| 6 | 143 | 0.88 | 21 | 1.82 | +http://www.seoprofiler.com/bot/ |
| 7 | 64 | 0.40 | 34 | 2.94 | Windows 98 |
| 8 | 39 | 0.24 | 11 | 0.95 | Linux i686 [unknown version] |
| 9 | 34 | 0.21 | 16 | 1.38 | +http://about.ask.com/en/docs/about/webm... |
| 10 | 16 | 0.10 | 12 | 1.04 | PPC Mac OS X Mach-O |
| 11 | 14 | 0.09 | 0 | 0.00 | http://www.search17.com/bot.php |
| 12 | 12 | 0.07 | 2 | 0.17 | Windows NT 5.2 |
| 13 | 10 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 14 | 10 | 0.06 | 0 | 0.00 | Windows 90 |
| 15 | 6 | 0.04 | 4 | 0.35 | Intel Mac OS X |
| 16 | 6 | 0.04 | 1 | 0.09 | +http://www.aihit.com/ |
| 17 | 4 | 0.02 | 2 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 18 | 2 | 0.01 | 2 | 0.17 | +info@netcraft.com |
| 19 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
