| Used Operating Systems |
| 1 | 6391 | 88.43 | 874 | 81.53 | Windows NT |
| 2 | 190 | 2.63 | 30 | 2.80 | PPC Mac OS X Mach-O |
| 3 | 167 | 2.31 | 64 | 5.97 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 126 | 1.74 | 41 | 3.82 | +http://www.google.com/bot.html |
| 5 | 126 | 1.74 | 16 | 1.49 | Linux [unknown version] |
| 6 | 100 | 1.38 | 16 | 1.49 | Intel Mac OS X |
| 7 | 37 | 0.51 | 13 | 1.21 | SunOS sun4u |
| 8 | 32 | 0.44 | 4 | 0.37 | Linux i686 [unknown version] |
| 9 | 32 | 0.44 | 2 | 0.19 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 20 | 0.28 | 10 | 0.93 | +http://about.ask.com/en/docs/about/webm... |
| 11 | 4 | 0.06 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6001.18000 |
| 12 | 2 | 0.03 | 2 | 0.19 | Windows 98 |
