| Used Operating Systems |
| 1 | 1914 | 53.27 | 348 | 44.85 | Windows NT |
| 2 | 665 | 18.51 | 225 | 28.99 | +http://www.google.com/bot.html |
| 3 | 189 | 5.26 | 46 | 5.93 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 188 | 5.23 | 26 | 3.35 | Intel Mac OS X 10.6 |
| 5 | 173 | 4.81 | 13 | 1.68 | +http://www.bing.com/bingbot.htm |
| 6 | 136 | 3.79 | 35 | 4.51 | +http://yandex.com/bots |
| 7 | 126 | 3.51 | 21 | 2.71 | MirrorDetector; +http://yandex.com/bots |
| 8 | 46 | 1.28 | 15 | 1.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 36 | 1.00 | 6 | 0.77 | +http://www.puritysearch.net/ |
| 10 | 28 | 0.78 | 4 | 0.52 | Intel Mac OS X 10.5 |
| 11 | 26 | 0.72 | 11 | 1.42 | Linux i686 [unknown version] |
| 12 | 21 | 0.58 | 4 | 0.52 | http://www.dotnetdotcom.org/, crawler@do... |
| 13 | 14 | 0.39 | 2 | 0.26 | Linux [unknown version] |
| 14 | 12 | 0.33 | 6 | 0.77 | ezooms.bot@gmail.com |
| 15 | 7 | 0.19 | 7 | 0.90 | Windows 98 |
| 16 | 4 | 0.11 | 2 | 0.26 | +http://www.scoutjet.com/ |
| 17 | 2 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 18 | 2 | 0.06 | 2 | 0.26 | Windows 3.1 |
| 19 | 2 | 0.06 | 2 | 0.26 | Windows NT 5.2 |
| 20 | 1 | 0.03 | 1 | 0.13 | +http://eripp.com |
| 21 | 1 | 0.03 | 0 | 0.00 | +info@netcraft.com |
