| Used Operating Systems |
| 1 | 31914 | 52.19 | 296 | 2.19 | http://mj12bot.com/ |
| 2 | 15576 | 25.47 | 11473 | 84.93 | +http://ahrefs.com/robot/ |
| 3 | 6388 | 10.45 | 2 | 0.01 | +http://megaindex.com/crawler |
| 4 | 2062 | 3.37 | 504 | 3.73 | Windows NT |
| 5 | 1030 | 1.68 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 931 | 1.52 | 193 | 1.43 | +http://www.linkdex.com/bots/ |
| 7 | 794 | 1.30 | 106 | 0.78 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 723 | 1.18 | 560 | 4.15 | +http://www.baidu.com/search/spider.html |
| 9 | 562 | 0.92 | 174 | 1.29 | +http://www.bing.com/bingbot.htm |
| 10 | 500 | 0.82 | 2 | 0.01 | Linux [unknown version] |
| 11 | 349 | 0.57 | 112 | 0.83 | +http://www.google.com/bot.html |
| 12 | 147 | 0.24 | 35 | 0.26 | +http://yandex.com/bots |
| 13 | 125 | 0.20 | 27 | 0.20 | +http://www.semrush.com/bot.html |
| 14 | 26 | 0.04 | 10 | 0.07 | +http://www.exabot.com/go/robot |
| 15 | 8 | 0.01 | 4 | 0.03 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 16 | 8 | 0.01 | 4 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 18 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
