| Used Operating Systems |
| 1 | 473 | 66.15 | 15 | 6.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 156 | 21.82 | 156 | 71.56 | +http://www.baidu.com/search/spider.html |
| 3 | 22 | 3.08 | 11 | 5.05 | +http://www.google.com/bot.html |
| 4 | 18 | 2.52 | 6 | 2.75 | +http://ahrefs.com/robot/ |
| 5 | 10 | 1.40 | 10 | 4.59 | Windows NT |
| 6 | 10 | 1.40 | 5 | 2.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 8 | 1.12 | 4 | 1.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 6 | 0.84 | 3 | 1.38 | +http://yandex.com/bots |
| 9 | 6 | 0.84 | 4 | 1.83 | +http://www.bing.com/bingbot.htm |
| 10 | 4 | 0.56 | 2 | 0.92 | +http://OpenLinkProfiler.org/bot |
| 11 | 2 | 0.28 | 2 | 0.92 | +info@netcraft.com |
