| Used Operating Systems |
| 1 | 47957 | 38.37 | 298 | 1.87 | http://mj12bot.com/ |
| 2 | 35955 | 28.77 | 12618 | 79.15 | +http://ahrefs.com/robot/ |
| 3 | 30777 | 24.62 | 312 | 1.96 | +http://www.semrush.com/bot.html |
| 4 | 6421 | 5.14 | 1294 | 8.12 | Windows NT |
| 5 | 1440 | 1.15 | 846 | 5.31 | +http://www.baidu.com/search/spider.html |
| 6 | 683 | 0.55 | 183 | 1.15 | +http://yandex.com/bots |
| 7 | 498 | 0.40 | 2 | 0.01 | Linux [unknown version] |
| 8 | 416 | 0.33 | 108 | 0.68 | +http://www.linkdex.com/bots/ |
| 9 | 338 | 0.27 | 154 | 0.97 | +http://www.google.com/bot.html |
| 10 | 209 | 0.17 | 67 | 0.42 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 170 | 0.14 | 21 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 46 | 0.04 | 23 | 0.14 | +http://www.bing.com/bingbot.htm |
| 13 | 31 | 0.02 | 1 | 0.01 | X11 |
| 14 | 24 | 0.02 | 9 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 16 | 0.01 | 2 | 0.01 | Android 2.3.5 |
| 16 | 2 | 0.00 | 2 | 0.01 | Windows 92 |
| 17 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |