| Used Operating Systems |
| 1 | 967 | 47.15 | 30 | 5.33 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 422 | 20.58 | 117 | 20.78 | Windows NT |
| 3 | 280 | 13.65 | 262 | 46.54 | +http://www.baidu.com/search/spider.html |
| 4 | 101 | 4.92 | 62 | 11.01 | +http://www.bing.com/bingbot.htm |
| 5 | 70 | 3.41 | 30 | 5.33 | Linux i686 [unknown version] |
| 6 | 61 | 2.97 | 8 | 1.42 | +http://www.google.com/bot.html |
| 7 | 32 | 1.56 | 4 | 0.71 | +http://OpenLinkProfiler.org/bot |
| 8 | 28 | 1.37 | 11 | 1.95 | Linux [unknown version] |
| 9 | 24 | 1.17 | 9 | 1.60 | Win32 |
| 10 | 17 | 0.83 | 4 | 0.71 | +http://yandex.com/bots |
| 11 | 16 | 0.78 | 8 | 1.42 | +http://www.exabot.com/go/robot |
| 12 | 14 | 0.68 | 9 | 1.60 | +http://ahrefs.com/robot/ |
| 13 | 8 | 0.39 | 3 | 0.53 | X11 |
| 14 | 6 | 0.29 | 4 | 0.71 | +http://www.xovibot.net/ |
| 15 | 4 | 0.20 | 2 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 1 | 0.05 | 0 | 0.00 | +http://www.semrush.com/bot.html |
