| Used Operating Systems |
| 1 | 91195 | 84.37 | 1659 | 51.30 | Windows NT |
| 2 | 4545 | 4.21 | 523 | 16.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 3472 | 3.21 | 663 | 20.50 | +http://www.google.com/bot.html |
| 4 | 2069 | 1.91 | 119 | 3.68 | http://www.dotnetdotcom.org/, crawler@do... |
| 5 | 1877 | 1.74 | 26 | 0.80 | Intel Mac OS X 10.5 |
| 6 | 1184 | 1.10 | 30 | 0.93 | Intel Mac OS X 10.6 |
| 7 | 837 | 0.77 | 28 | 0.87 | Linux i686 [unknown version] |
| 8 | 775 | 0.72 | 13 | 0.40 | Intel Mac OS X 10.4 |
| 9 | 321 | 0.30 | 5 | 0.15 | PPC Mac OS X 10.4 |
| 10 | 318 | 0.29 | 6 | 0.19 | PPC Mac OS X Mach-O |
| 11 | 276 | 0.26 | 1 | 0.03 | +http://WebDataCentre.com/ |
| 12 | 256 | 0.24 | 6 | 0.19 | Intel Mac OS X |
| 13 | 222 | 0.21 | 5 | 0.15 | Linux [unknown version] |
| 14 | 169 | 0.16 | 73 | 2.26 | +http://www.exabot.com/go/robot |
| 15 | 140 | 0.13 | 4 | 0.12 | Windows CE |
| 16 | 96 | 0.09 | 2 | 0.06 | SunOS sun4u |
| 17 | 64 | 0.06 | 10 | 0.31 | +http://www.seoprofiler.com/bot/ |
| 18 | 52 | 0.05 | 24 | 0.74 | +http://about.ask.com/en/docs/about/webm... |
| 19 | 40 | 0.04 | 2 | 0.06 | +http://www.aihit.com/ |
| 20 | 29 | 0.03 | 13 | 0.40 | Windows NT 5.2 |
| 21 | 27 | 0.02 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6001.18000 |
| 22 | 27 | 0.02 | 12 | 0.37 | Windows 98 |
| 23 | 24 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 24 | 20 | 0.02 | 2 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 25 | 16 | 0.01 | 4 | 0.12 | +info@netcraft.com |
| 26 | 11 | 0.01 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
| 27 | 10 | 0.01 | 2 | 0.06 | AOL 9.0; Windows NT 6.0; Trident/4.0; Fu... |
| 28 | 7 | 0.01 | 0 | 0.00 | Windows 90 |
| 29 | 4 | 0.00 | 2 | 0.06 | Windows XP |
