| Used Operating Systems by Visits |
| 1 | 15338 | 13.94 | 11194 | 82.01 | +http://ahrefs.com/robot/ |
| 2 | 13030 | 11.85 | 813 | 5.96 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 587 | 0.53 | 424 | 3.11 | +http://www.baidu.com/search/spider.html |
| 4 | 66911 | 60.83 | 404 | 2.96 | http://mj12bot.com/ |
| 5 | 6661 | 6.06 | 248 | 1.82 | Windows NT |
| 6 | 425 | 0.39 | 163 | 1.19 | +http://www.bing.com/bingbot.htm |
| 7 | 1508 | 1.37 | 125 | 0.92 | +http://yandex.com/bots |
| 8 | 480 | 0.44 | 115 | 0.84 | +http://www.linkdex.com/bots/ |
| 9 | 305 | 0.28 | 104 | 0.76 | +http://www.google.com/bot.html |
| 10 | 51 | 0.05 | 22 | 0.16 | +http://www.semrush.com/bot.html |
| 11 | 60 | 0.05 | 9 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 1031 | 0.94 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 13 | 12 | 0.01 | 4 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 4 | 0.00 | 4 | 0.03 | +info@netcraft.com |
| 15 | 8 | 0.01 | 4 | 0.03 | +http://www.exabot.com/go/robot |
| 16 | 6 | 0.01 | 3 | 0.02 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 17 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 18 | 2 | 0.00 | 2 | 0.01 | +http://megogoserial.ru |
| 19 | 4 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 20 | 3316 | 3.01 | 1 | 0.01 | +http://megaindex.com/crawler |
| 21 | 250 | 0.23 | 1 | 0.01 | Linux i686 [unknown version] |
