| Used Operating Systems |
| 1 | 30537 | 89.57 | 270 | 21.67 | +http://www.semrush.com/bot.html |
| 2 | 1514 | 4.44 | 674 | 54.09 | Windows NT |
| 3 | 1055 | 3.09 | 39 | 3.13 | http://mj12bot.com/ |
| 4 | 421 | 1.23 | 3 | 0.24 | +http://www.google.com/bot.html |
| 5 | 280 | 0.82 | 93 | 7.46 | +http://www.linkdex.com/bots/ |
| 6 | 113 | 0.33 | 113 | 9.07 | +http://www.baidu.com/search/spider.html |
| 7 | 96 | 0.28 | 26 | 2.09 | +http://yandex.com/bots |
| 8 | 24 | 0.07 | 6 | 0.48 | +http://www.bing.com/bingbot.htm |
| 9 | 18 | 0.05 | 5 | 0.40 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 16 | 0.05 | 7 | 0.56 | +http://ahrefs.com/robot/ |
| 11 | 6 | 0.02 | 2 | 0.16 | http://crawler.007ac9.net/ |
| 12 | 4 | 0.01 | 2 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 4 | 0.01 | 2 | 0.16 | +http://www.exabot.com/go/robot |
| 14 | 2 | 0.01 | 2 | 0.16 | Windows 98 |
| 15 | 1 | 0.00 | 1 | 0.08 | Windows CE |
| 16 | 1 | 0.00 | 1 | 0.08 | Windows 95 |
