| Used Operating Systems |
| 1 | 20059 | 81.59 | 236 | 12.77 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1764 | 7.18 | 457 | 24.73 | Windows NT |
| 3 | 1648 | 6.70 | 864 | 46.75 | +http://www.baidu.com/search/spider.html |
| 4 | 191 | 0.78 | 65 | 3.52 | +http://www.bing.com/bingbot.htm |
| 5 | 176 | 0.72 | 33 | 1.79 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 134 | 0.55 | 35 | 1.89 | +http://ahrefs.com/robot/ |
| 7 | 126 | 0.51 | 19 | 1.03 | +http://www.google.com/bot.html |
| 8 | 126 | 0.51 | 37 | 2.00 | +http://yandex.com/bots |
| 9 | 105 | 0.43 | 20 | 1.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 78 | 0.32 | 26 | 1.41 | +http://www.exabot.com/go/robot |
| 11 | 72 | 0.29 | 30 | 1.62 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 28 | 0.11 | 2 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 13 | 24 | 0.10 | 8 | 0.43 | +http://OpenLinkProfiler.org/bot |
| 14 | 24 | 0.10 | 2 | 0.11 | +https://www.lipperhey.com/en/about/ |
| 15 | 16 | 0.07 | 8 | 0.43 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 4 | 0.02 | 2 | 0.11 | +http://www.seograph.net/bot.html |
| 17 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 18 | 2 | 0.01 | 2 | 0.11 | Linux [unknown version] |
| 19 | 2 | 0.01 | 2 | 0.11 | +info@netcraft.com |
| 20 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
