| Used Operating Systems |
| 1 | 17760 | 30.66 | 158 | 2.66 | +http://ahrefs.com/robot/ |
| 2 | 14061 | 24.27 | 112 | 1.89 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 12713 | 21.95 | 1182 | 19.92 | Windows NT |
| 4 | 5208 | 8.99 | 1 | 0.02 | +http://megaindex.com/crawler |
| 5 | 4054 | 7.00 | 3377 | 56.90 | +http://www.baidu.com/search/spider.html |
| 6 | 1564 | 2.70 | 339 | 5.71 | +http://www.xovibot.net/ |
| 7 | 814 | 1.41 | 278 | 4.68 | +http://www.bing.com/bingbot.htm |
| 8 | 629 | 1.09 | 281 | 4.73 | +http://www.google.com/bot.html |
| 9 | 340 | 0.59 | 63 | 1.06 | +http://yandex.com/bots |
| 10 | 254 | 0.44 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 11 | 104 | 0.18 | 41 | 0.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 99 | 0.17 | 13 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 98 | 0.17 | 3 | 0.05 | Linux i586 [unknown version] |
| 14 | 46 | 0.08 | 17 | 0.29 | +http://www.linkdex.com/bots/ |
| 15 | 35 | 0.06 | 12 | 0.20 | Windows XP |
| 16 | 23 | 0.04 | 8 | 0.13 | Windows 95 |
| 17 | 15 | 0.03 | 0 | 0.00 | http://drive.google.com |
| 18 | 15 | 0.03 | 4 | 0.07 | Windows 98 |
| 19 | 9 | 0.02 | 2 | 0.03 | Auto; Windows |
| 20 | 9 | 0.02 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 21 | 8 | 0.01 | 3 | 0.05 | +http://sur.ly/bot.html |
| 22 | 8 | 0.01 | 1 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 6 | 0.01 | 6 | 0.10 | Linux i686 [unknown version] |
| 24 | 6 | 0.01 | 2 | 0.03 | +http://prlog.ru/ |
| 25 | 6 | 0.01 | 6 | 0.10 | actually this is http://ismyblogworking.... |
| 26 | 5 | 0.01 | 2 | 0.03 | Windows 2000 |
| 27 | 4 | 0.01 | 4 | 0.07 | Linux [unknown version] |
| 28 | 4 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 29 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 4 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 32 | 3 | 0.01 | 1 | 0.02 | Windows CE |
| 33 | 3 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 34 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 35 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 36 | 2 | 0.00 | 2 | 0.03 | +http://domainsigma.com/robot |
| 37 | 1 | 0.00 | 0 | 0.00 | Windows ME |
| 38 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 39 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://www.wmtips.com/tools/ |
| 41 | 1 | 0.00 | 0 | 0.00 | X11 |
| 42 | 1 | 0.00 | 1 | 0.02 | Windows 9x |
| 43 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 44 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
