| Used Operating Systems |
| 1 | 38324 | 84.70 | 298 | 25.65 | +http://www.semrush.com/bot.html |
| 2 | 4651 | 10.28 | 154 | 13.25 | http://mj12bot.com/ |
| 3 | 929 | 2.05 | 8 | 0.69 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 540 | 1.19 | 278 | 23.92 | Windows NT |
| 5 | 358 | 0.79 | 115 | 9.90 | +http://www.linkdex.com/bots/ |
| 6 | 280 | 0.62 | 265 | 22.81 | +http://www.baidu.com/search/spider.html |
| 7 | 96 | 0.21 | 21 | 1.81 | +http://yandex.com/bots |
| 8 | 38 | 0.08 | 6 | 0.52 | +http://www.google.com/bot.html |
| 9 | 10 | 0.02 | 5 | 0.43 | +http://www.bing.com/bingbot.htm |
| 10 | 9 | 0.02 | 5 | 0.43 | +http://ahrefs.com/robot/ |
| 11 | 4 | 0.01 | 2 | 0.17 | +http://www.exabot.com/go/robot |
| 12 | 2 | 0.00 | 1 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 2 | 0.00 | 2 | 0.17 | Linux i586 [unknown version] |
| 14 | 2 | 0.00 | 2 | 0.17 | +info@netcraft.com |
