| Used Operating Systems |
| 1 | 24766 | 63.43 | 253 | 4.60 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8341 | 21.36 | 2288 | 41.61 | Windows NT |
| 3 | 2569 | 6.58 | 1949 | 35.44 | +http://www.baidu.com/search/spider.html |
| 4 | 1012 | 2.59 | 254 | 4.62 | +http://www.bing.com/bingbot.htm |
| 5 | 533 | 1.37 | 5 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 6 | 467 | 1.20 | 183 | 3.33 | +http://www.google.com/bot.html |
| 7 | 306 | 0.78 | 69 | 1.25 | +http://yandex.com/bots |
| 8 | 155 | 0.40 | 48 | 0.87 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 126 | 0.32 | 104 | 1.89 | Windows 95 |
| 10 | 95 | 0.24 | 35 | 0.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 93 | 0.24 | 2 | 0.04 | Linux [unknown version] |
| 12 | 93 | 0.24 | 39 | 0.71 | Windows 98 |
| 13 | 84 | 0.22 | 44 | 0.80 | +http://ahrefs.com/robot/ |
| 14 | 68 | 0.17 | 11 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 57 | 0.15 | 19 | 0.35 | +http://www.linkdex.com/bots/ |
| 16 | 28 | 0.07 | 8 | 0.15 | X11 |
| 17 | 27 | 0.07 | 19 | 0.35 | Windows CE |
| 18 | 24 | 0.06 | 24 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 19 | 24 | 0.06 | 24 | 0.44 | MSIE 5.5; Windows NT 4.0 |
| 20 | 22 | 0.06 | 21 | 0.38 | Windows 2000 |
| 21 | 18 | 0.05 | 17 | 0.31 | Auto; Windows |
| 22 | 18 | 0.05 | 17 | 0.31 | Windows 3.1 |
| 23 | 18 | 0.05 | 17 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 24 | 17 | 0.04 | 5 | 0.09 | Windows XP |
| 25 | 17 | 0.04 | 13 | 0.24 | Windows ME |
| 26 | 10 | 0.03 | 0 | 0.00 | Android 2.3.5 |
| 27 | 10 | 0.03 | 10 | 0.18 | actually this is http://ismyblogworking.... |
| 28 | 9 | 0.02 | 0 | 0.00 | http://drive.google.com |
| 29 | 8 | 0.02 | 4 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 6 | 0.02 | 6 | 0.11 | +http://domainsigma.com/robot |
| 31 | 5 | 0.01 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 32 | 4 | 0.01 | 4 | 0.07 | Linux i586 [unknown version] |
| 33 | 3 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 34 | 3 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 35 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 37 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 38 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
