| Used Operating Systems |
| 1 | 26720 | 76.50 | 183 | 5.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3007 | 8.61 | 2174 | 60.64 | +http://www.baidu.com/search/spider.html |
| 3 | 1548 | 4.43 | 407 | 11.35 | +http://www.bing.com/bingbot.htm |
| 4 | 1033 | 2.96 | 8 | 0.22 | +http://www.warebay.com/bot.html |
| 5 | 1010 | 2.89 | 503 | 14.03 | Windows NT |
| 6 | 786 | 2.25 | 8 | 0.22 | +http://OpenLinkProfiler.org/bot |
| 7 | 544 | 1.56 | 222 | 6.19 | +http://www.google.com/bot.html |
| 8 | 74 | 0.21 | 29 | 0.81 | +http://yandex.com/bots |
| 9 | 37 | 0.11 | 11 | 0.31 | Windows 95 |
| 10 | 34 | 0.10 | 8 | 0.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 34 | 0.10 | 2 | 0.06 | Linux i686 [unknown version] |
| 12 | 24 | 0.07 | 7 | 0.20 | Windows 98 |
| 13 | 17 | 0.05 | 2 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 9 | 0.03 | 2 | 0.06 | Windows XP |
| 15 | 8 | 0.02 | 3 | 0.08 | Auto; Windows |
| 16 | 8 | 0.02 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 17 | 8 | 0.02 | 4 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 5 | 0.01 | 2 | 0.06 | Windows 2000 |
| 19 | 4 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 20 | 4 | 0.01 | 3 | 0.08 | +info@netcraft.com |
| 21 | 3 | 0.01 | 1 | 0.03 | Windows ME |
| 22 | 3 | 0.01 | 1 | 0.03 | Windows 3.1 |
| 23 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 24 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 25 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 1 | 0.00 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 27 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 1 | 0.00 | 1 | 0.03 | X11 |
