| Used Operating Systems |
| 1 | 57983 | 61.31 | 392 | 10.84 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 22670 | 23.97 | 20 | 0.55 | +http://ahrefs.com/robot/ |
| 3 | 4069 | 4.30 | 866 | 23.95 | Windows NT |
| 4 | 2831 | 2.99 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 5 | 1796 | 1.90 | 627 | 17.34 | +http://www.google.com/bot.html |
| 6 | 1231 | 1.30 | 802 | 22.18 | +http://www.baidu.com/search/spider.html |
| 7 | 976 | 1.03 | 172 | 4.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 897 | 0.95 | 53 | 1.47 | +http://yandex.com/bots |
| 9 | 568 | 0.60 | 123 | 3.40 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 491 | 0.52 | 86 | 2.38 | +http://www.linkdex.com/bots/ |
| 11 | 447 | 0.47 | 222 | 6.14 | +http://www.bing.com/bingbot.htm |
| 12 | 317 | 0.34 | 93 | 2.57 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 51 | 0.05 | 19 | 0.53 | +http://fulltext.sblog.cz/ |
| 14 | 50 | 0.05 | 39 | 1.08 | Windows 95 |
| 15 | 32 | 0.03 | 15 | 0.41 | Windows 98 |
| 16 | 30 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 17 | 24 | 0.03 | 2 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 18 | 16 | 0.02 | 15 | 0.41 | Windows 2000 |
| 19 | 16 | 0.02 | 15 | 0.41 | Windows 3.1 |
| 20 | 14 | 0.01 | 12 | 0.33 | Windows ME |
| 21 | 14 | 0.01 | 5 | 0.14 | +http://www.exabot.com/go/robot |
| 22 | 8 | 0.01 | 4 | 0.11 | Windows XP |
| 23 | 8 | 0.01 | 4 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 7 | 0.01 | 7 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 25 | 6 | 0.01 | 5 | 0.14 | Windows CE |
| 26 | 6 | 0.01 | 6 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 27 | 4 | 0.00 | 3 | 0.08 | Auto; Windows |
| 28 | 4 | 0.00 | 4 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 29 | 3 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 30 | 2 | 0.00 | 0 | 0.00 | Linux 2.0.x |
| 31 | 2 | 0.00 | 2 | 0.06 | +info@netcraft.com |
| 32 | 1 | 0.00 | 0 | 0.00 | X11 |
| 33 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
