| Used Operating Systems |
| 1 | 58874 | 49.45 | 301 | 1.14 | http://mj12bot.com/ |
| 2 | 25757 | 21.63 | 21581 | 81.93 | +http://ahrefs.com/robot/ |
| 3 | 13868 | 11.65 | 927 | 3.52 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 5341 | 4.49 | 1260 | 4.78 | Windows NT |
| 5 | 4901 | 4.12 | 1 | 0.00 | +http://megaindex.com/crawler |
| 6 | 2830 | 2.38 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 2263 | 1.90 | 96 | 0.36 | +http://www.semrush.com/bot.html |
| 8 | 1207 | 1.01 | 340 | 1.29 | +http://www.linkdex.com/bots/ |
| 9 | 1003 | 0.84 | 1 | 0.00 | http://crawler.007ac9.net/ |
| 10 | 968 | 0.81 | 590 | 2.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 830 | 0.70 | 719 | 2.73 | +http://www.baidu.com/search/spider.html |
| 12 | 426 | 0.36 | 189 | 0.72 | +http://www.google.com/bot.html |
| 13 | 311 | 0.26 | 80 | 0.30 | +http://yandex.com/bots |
| 14 | 224 | 0.19 | 158 | 0.60 | +http://www.bing.com/bingbot.htm |
| 15 | 91 | 0.08 | 33 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 37 | 0.03 | 34 | 0.13 | +http://www.uptime.com/uptimebot |
| 17 | 20 | 0.02 | 10 | 0.04 | +http://www.exabot.com/go/robot |
| 18 | 17 | 0.01 | 1 | 0.00 | http://www.wise-guys.nl/ |
| 19 | 15 | 0.01 | 0 | 0.00 | X11 |
| 20 | 10 | 0.01 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 6 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 22 | 6 | 0.01 | 2 | 0.01 | Windows 98 |
| 23 | 5 | 0.00 | 0 | 0.00 | Windows CE |
| 24 | 5 | 0.00 | 3 | 0.01 | +http://sur.ly/bot.html |
| 25 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 5 | 0.00 | 1 | 0.00 | Windows 95 |
| 27 | 5 | 0.00 | 1 | 0.00 | +https://extlinks.com/Bot.html |
| 28 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 29 | 4 | 0.00 | 0 | 0.00 | Windows 3.1 |
| 30 | 2 | 0.00 | 0 | 0.00 | Conectiva (Mandriva) 7.1 |
| 31 | 2 | 0.00 | 0 | 0.00 | Android 2.0 |
| 32 | 2 | 0.00 | 1 | 0.00 | +https://deusu.de/robot.html |
| 33 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 34 | 1 | 0.00 | 0 | 0.00 | BigLinux 4.9 |
| 35 | 1 | 0.00 | 0 | 0.00 | Arch Linux 2.5 |
| 36 | 1 | 0.00 | 0 | 0.00 | BigLinux 5.8 |
| 37 | 1 | 0.00 | 0 | 0.00 | OS 10.5 5.9 |
| 38 | 1 | 0.00 | 0 | 0.00 | Android 6.3 |
| 39 | 1 | 0.00 | 1 | 0.00 | Nokia 5.1 |
| 40 | 1 | 0.00 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 41 | 1 | 0.00 | 0 | 0.00 | Ubuntu 1.8 |
| 42 | 1 | 0.00 | 0 | 0.00 | Windows 3.1 3.2 |
| 43 | 1 | 0.00 | 1 | 0.00 | Linux 2.2.x |
| 44 | 1 | 0.00 | 0 | 0.00 | Ubuntu 2.9 |
| 45 | 1 | 0.00 | 0 | 0.00 | CentOS Linux 2.0 |
| 46 | 1 | 0.00 | 0 | 0.00 | BigLinux 4.2 |
| 47 | 1 | 0.00 | 0 | 0.00 | DeLi Linux 6.2 |
| 48 | 1 | 0.00 | 0 | 0.00 | Arch Linux 3.5 |
| 49 | 1 | 0.00 | 0 | 0.00 | BlackBerry 6.2 |
| 50 | 1 | 0.00 | 0 | 0.00 | CRUX Linux 4.9 |
| 51 | 1 | 0.00 | 1 | 0.00 | Windows XP |
