| Used Operating Systems |
| 1 | 5978 | 37.08 | 83 | 1.30 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3397 | 21.07 | 1824 | 28.58 | Windows NT |
| 3 | 3174 | 19.69 | 2819 | 44.17 | +http://www.baidu.com/search/spider.html |
| 4 | 1624 | 10.07 | 1049 | 16.44 | +http://www.easou.com/search/spider.html |
| 5 | 659 | 4.09 | 124 | 1.94 | +http://www.bing.com/bingbot.htm |
| 6 | 336 | 2.08 | 128 | 2.01 | +http://www.google.com/bot.html |
| 7 | 251 | 1.56 | 87 | 1.36 | +http://www.linkdex.com/bots/ |
| 8 | 182 | 1.13 | 83 | 1.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 149 | 0.92 | 104 | 1.63 | +http://ahrefs.com/robot/ |
| 10 | 102 | 0.63 | 15 | 0.24 | +http://yandex.com/bots |
| 11 | 99 | 0.61 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 44 | 0.27 | 21 | 0.33 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 39 | 0.24 | 20 | 0.31 | +http://www.exabot.com/go/robot |
| 14 | 11 | 0.07 | 0 | 0.00 | Linux [unknown version] |
| 15 | 11 | 0.07 | 1 | 0.02 | +http://www.linkpad.ru |
| 16 | 10 | 0.06 | 8 | 0.13 | +http://wmaid.com/explore/ |
| 17 | 9 | 0.06 | 3 | 0.05 | X11 |
| 18 | 7 | 0.04 | 2 | 0.03 | Windows 98 |
| 19 | 6 | 0.04 | 1 | 0.02 | crawler@mixrank.com |
| 20 | 6 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 21 | 5 | 0.03 | 1 | 0.02 | +http://a14download.com |
| 22 | 4 | 0.02 | 1 | 0.02 | +http://uni5download.com |
| 23 | 3 | 0.02 | 1 | 0.02 | +http://onlythegames.com |
| 24 | 3 | 0.02 | 1 | 0.02 | +http://dl2engine.net |
| 25 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 26 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 27 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 28 | 1 | 0.01 | 1 | 0.02 | http://www.lipperhey.com/ |
| 29 | 1 | 0.01 | 0 | 0.00 | Windows ME |
| 30 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 31 | 1 | 0.01 | 0 | 0.00 | Windows XP |
| 32 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
