| Used Operating Systems |
| 1 | 19312 | 43.48 | 241 | 3.68 | +http://www.semrush.com/bot.html |
| 2 | 13128 | 29.56 | 258 | 3.94 | http://mj12bot.com/ |
| 3 | 5454 | 12.28 | 4220 | 64.37 | +http://ahrefs.com/robot/ |
| 4 | 3835 | 8.64 | 189 | 2.88 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1796 | 4.04 | 1382 | 21.08 | +http://www.baidu.com/search/spider.html |
| 6 | 442 | 1.00 | 14 | 0.21 | +http://yandex.com/bots |
| 7 | 156 | 0.35 | 87 | 1.33 | Windows NT |
| 8 | 116 | 0.26 | 57 | 0.87 | +http://www.google.com/bot.html |
| 9 | 102 | 0.23 | 76 | 1.16 | +http://www.bing.com/bingbot.htm |
| 10 | 57 | 0.13 | 24 | 0.37 | +http://www.linkdex.com/bots/ |
| 11 | 12 | 0.03 | 6 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
