| Used Operating Systems |
| 1 | 8892 | 40.18 | 94 | 3.99 | http://mj12bot.com/ |
| 2 | 6458 | 29.18 | 366 | 15.54 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 3439 | 15.54 | 1 | 0.04 | +http://megaindex.com/crawler |
| 4 | 1572 | 7.10 | 898 | 38.13 | Windows NT |
| 5 | 844 | 3.81 | 647 | 27.47 | +http://ahrefs.com/robot/ |
| 6 | 454 | 2.05 | 157 | 6.67 | +http://yandex.com/bots |
| 7 | 229 | 1.03 | 104 | 4.42 | +http://www.google.com/bot.html |
| 8 | 166 | 0.75 | 54 | 2.29 | +http://www.linkdex.com/bots/ |
| 9 | 29 | 0.13 | 13 | 0.55 | +http://www.semrush.com/bot.html |
| 10 | 24 | 0.11 | 5 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 7 | 0.03 | 2 | 0.08 | +http://www.bing.com/bingbot.htm |
| 12 | 7 | 0.03 | 6 | 0.25 | +http://www.baidu.com/search/spider.html |
| 13 | 5 | 0.02 | 5 | 0.21 | Windows 95 |
| 14 | 2 | 0.01 | 1 | 0.04 | http://filterdb.iss.net/crawler/ |
| 15 | 2 | 0.01 | 2 | 0.08 | +info@netcraft.com |
