| Used Operating Systems |
| 1 | 13879 | 76.95 | 733 | 56.43 | Windows NT |
| 2 | 1921 | 10.65 | 69 | 5.31 | Intel Mac OS X 10.6 |
| 3 | 513 | 2.84 | 252 | 19.40 | +http://www.google.com/bot.html |
| 4 | 333 | 1.85 | 21 | 1.62 | Intel Mac OS X 10.5 |
| 5 | 264 | 1.46 | 14 | 1.08 | Intel Mac OS X 10.4 |
| 6 | 240 | 1.33 | 9 | 0.69 | Intel Mac OS X |
| 7 | 231 | 1.28 | 93 | 7.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 168 | 0.93 | 3 | 0.23 | +http://www.puritysearch.net/ |
| 9 | 128 | 0.71 | 14 | 1.08 | http://www.dotnetdotcom.org/, crawler@do... |
| 10 | 99 | 0.55 | 26 | 2.00 | http://www.search17.com/bot.php |
| 11 | 95 | 0.53 | 41 | 3.16 | +http://about.ask.com/en/docs/about/webm... |
| 12 | 93 | 0.52 | 5 | 0.38 | Linux [unknown version] |
| 13 | 36 | 0.20 | 7 | 0.54 | +http://www.seoprofiler.com/bot/ |
| 14 | 12 | 0.07 | 0 | 0.00 | http://desktop.google.com/ |
| 15 | 9 | 0.05 | 9 | 0.69 | Linux i686 [unknown version] |
| 16 | 8 | 0.04 | 2 | 0.15 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 3 | 0.02 | 1 | 0.08 | +http://www.aihit.com/ |
| 18 | 2 | 0.01 | 0 | 0.00 | Windows 98 |
| 19 | 2 | 0.01 | 0 | 0.00 | Windows XP |
