| Used Operating Systems |
| 1 | 3751 | 47.63 | 305 | 10.98 | Windows NT |
| 2 | 2157 | 27.39 | 1941 | 69.85 | +http://www.baidu.com/search/spider.html |
| 3 | 566 | 7.19 | 230 | 8.28 | +http://www.google.com/bot.html |
| 4 | 476 | 6.04 | 127 | 4.57 | +http://yandex.com/bots |
| 5 | 388 | 4.93 | 42 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 186 | 2.36 | 67 | 2.41 | +http://www.bing.com/bingbot.htm |
| 7 | 82 | 1.04 | 6 | 0.22 | Linux i686 [unknown version] |
| 8 | 54 | 0.69 | 9 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 37 | 0.47 | 1 | 0.04 | +http://swebot.net |
| 10 | 33 | 0.42 | 15 | 0.54 | ezooms.bot@gmail.com |
| 11 | 20 | 0.25 | 1 | 0.04 | Intel Mac OS X 10.5 |
| 12 | 19 | 0.24 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 13 | 17 | 0.22 | 1 | 0.04 | +http://www.openfos.com |
| 14 | 16 | 0.20 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 15 | 14 | 0.18 | 1 | 0.04 | Windows 95 |
| 16 | 9 | 0.11 | 9 | 0.32 | PPC Mac OS X Mach-O |
| 17 | 9 | 0.11 | 3 | 0.11 | +http://www.exabot.com/go/robot |
| 18 | 6 | 0.08 | 2 | 0.07 | Windows 98 |
| 19 | 5 | 0.06 | 5 | 0.18 | Intel Mac OS X 10.4 |
| 20 | 4 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 21 | 4 | 0.05 | 0 | 0.00 | Windows 2000 |
| 22 | 4 | 0.05 | 2 | 0.07 | Windows 3.1 |
| 23 | 3 | 0.04 | 2 | 0.07 | +http://ahrefs.com/robot/ |
| 24 | 3 | 0.04 | 1 | 0.04 | ReverseGet/1.0; http://reverseget.com/; ... |
| 25 | 3 | 0.04 | 3 | 0.11 | Intel Mac OS X 10.6 |
| 26 | 2 | 0.03 | 2 | 0.07 | Intel Mac OS X |
| 27 | 2 | 0.03 | 1 | 0.04 | http://www.botje.com/plukkie.htm |
| 28 | 2 | 0.03 | 0 | 0.00 | Windows ME |
| 29 | 2 | 0.03 | 0 | 0.00 | Windows XP |
| 30 | 1 | 0.01 | 1 | 0.04 | Linux [unknown version] |
| 31 | 1 | 0.01 | 0 | 0.00 | +info@netcraft.com |
