| Used Operating Systems |
| 1 | 978 | 72.07 | 881 | 82.72 | +http://www.baidu.com/search/spider.html |
| 2 | 157 | 11.57 | 97 | 9.11 | +http://www.bing.com/bingbot.htm |
| 3 | 109 | 8.03 | 44 | 4.13 | +http://ahrefs.com/robot/ |
| 4 | 44 | 3.24 | 14 | 1.31 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 28 | 2.06 | 13 | 1.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 17 | 1.25 | 6 | 0.56 | +http://www.google.com/bot.html |
| 7 | 12 | 0.88 | 4 | 0.38 | +http://OpenLinkProfiler.org/bot |
| 8 | 8 | 0.59 | 4 | 0.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 4 | 0.29 | 2 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
