| Used Operating Systems |
| 1 | 7934 | 81.16 | 140 | 11.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 978 | 10.00 | 852 | 68.32 | +http://www.baidu.com/search/spider.html |
| 3 | 396 | 4.05 | 166 | 13.31 | +http://www.bing.com/bingbot.htm |
| 4 | 308 | 3.15 | 39 | 3.13 | Windows NT |
| 5 | 46 | 0.47 | 21 | 1.68 | +http://www.exabot.com/go/robot |
| 6 | 39 | 0.40 | 4 | 0.32 | +http://www.google.com/bot.html |
| 7 | 26 | 0.27 | 7 | 0.56 | +http://OpenLinkProfiler.org/bot |
| 8 | 12 | 0.12 | 2 | 0.16 | Linux [unknown version] |
| 9 | 9 | 0.09 | 6 | 0.48 | +http://ahrefs.com/robot/ |
| 10 | 9 | 0.09 | 5 | 0.40 | +http://www.semrush.com/bot.html |
| 11 | 8 | 0.08 | 2 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 5 | 0.05 | 1 | 0.08 | +http://yandex.com/bots |
| 13 | 4 | 0.04 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 2 | 0.02 | 2 | 0.16 | +info@netcraft.com |
