| Used Operating Systems |
| 1 | 3958 | 66.51 | 2761 | 78.66 | +http://ahrefs.com/robot/ |
| 2 | 774 | 13.01 | 33 | 0.94 | http://mj12bot.com/ |
| 3 | 562 | 9.44 | 417 | 11.88 | +http://www.baidu.com/search/spider.html |
| 4 | 304 | 5.11 | 130 | 3.70 | +http://www.google.com/bot.html |
| 5 | 134 | 2.25 | 74 | 2.11 | +http://www.bing.com/bingbot.htm |
| 6 | 102 | 1.71 | 52 | 1.48 | Windows NT |
| 7 | 37 | 0.62 | 11 | 0.31 | +http://yandex.com/bots |
| 8 | 31 | 0.52 | 15 | 0.43 | +http://www.semrush.com/bot.html |
| 9 | 15 | 0.25 | 7 | 0.20 | +http://www.linkdex.com/bots/ |
| 10 | 12 | 0.20 | 3 | 0.09 | X11 |
| 11 | 3 | 0.05 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 12 | 2 | 0.03 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 13 | 2 | 0.03 | 1 | 0.03 | +https://deusu.de/robot.html |
| 14 | 2 | 0.03 | 1 | 0.03 | Linux i686 [unknown version] |
| 15 | 2 | 0.03 | 0 | 0.00 | Windows 95 |
| 16 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 17 | 2 | 0.03 | 2 | 0.06 | +http://alphaseobot.com/bot.html |
| 18 | 2 | 0.03 | 0 | 0.00 | Windows 98 |
| 19 | 2 | 0.03 | 1 | 0.03 | +http://napoveda.seznam.cz/en/seznambot-... |
| 20 | 1 | 0.02 | 0 | 0.00 | Windows CE |
| 21 | 1 | 0.02 | 0 | 0.00 | Windows CE; Trident/4.1 |
| 22 | 1 | 0.02 | 1 | 0.03 | +http://www.uptime.com/uptimebot |
