| Used Operating Systems |
| 1 | 34811 | 55.04 | 391 | 6.96 | http://mj12bot.com/ |
| 2 | 17410 | 27.53 | 229 | 4.08 | +http://www.semrush.com/bot.html |
| 3 | 5828 | 9.22 | 4427 | 78.84 | +http://ahrefs.com/robot/ |
| 4 | 1892 | 2.99 | 180 | 3.21 | Windows NT |
| 5 | 985 | 1.56 | 170 | 3.03 | +http://www.linkdex.com/bots/ |
| 6 | 815 | 1.29 | 2 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 643 | 1.02 | 68 | 1.21 | +http://www.bing.com/bingbot.htm |
| 8 | 343 | 0.54 | 72 | 1.28 | +http://yandex.com/bots |
| 9 | 250 | 0.40 | 1 | 0.02 | Linux i586 [unknown version] |
| 10 | 187 | 0.30 | 60 | 1.07 | +http://www.google.com/bot.html |
| 11 | 50 | 0.08 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 12 | 7 | 0.01 | 7 | 0.12 | +http://alphaseobot.com/bot.html |
| 13 | 6 | 0.01 | 3 | 0.05 | +http://duckduckgo.com |
| 14 | 4 | 0.01 | 0 | 0.00 | Android |
| 15 | 4 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 2 | 0.00 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 2 | 0.00 | 2 | 0.04 | +info@netcraft.com |
| 18 | 2 | 0.00 | 2 | 0.04 | X11 |
| 19 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |