| Used Operating Systems |
| 1 | 176 | 52.85 | 174 | 78.73 | +http://www.baidu.com/search/spider.html |
| 2 | 48 | 14.41 | 4 | 1.81 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 30 | 9.01 | 8 | 3.62 | +http://www.google.com/bot.html |
| 4 | 15 | 4.50 | 7 | 3.17 | Windows NT |
| 5 | 14 | 4.20 | 7 | 3.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 12 | 3.60 | 4 | 1.81 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 12 | 3.60 | 5 | 2.26 | +http://yandex.com/bots |
| 8 | 8 | 2.40 | 4 | 1.81 | +http://OpenLinkProfiler.org/bot |
| 9 | 8 | 2.40 | 2 | 0.90 | +http://ahrefs.com/robot/ |
| 10 | 4 | 1.20 | 2 | 0.90 | +http://www.exabot.com/go/robot |
| 11 | 4 | 1.20 | 2 | 0.90 | +http://www.bing.com/bingbot.htm |
| 12 | 2 | 0.60 | 2 | 0.90 | +info@netcraft.com |
