| Used Operating Systems |
| 1 | 8610 | 81.47 | 3304 | 77.61 | Windows NT |
| 2 | 461 | 4.36 | 174 | 4.09 | +http://www.bing.com/bingbot.htm |
| 3 | 265 | 2.51 | 132 | 3.10 | +http://www.google.com/bot.html |
| 4 | 214 | 2.02 | 170 | 3.99 | +http://www.baidu.com/search/spider.html |
| 5 | 119 | 1.13 | 106 | 2.49 | Windows 95 |
| 6 | 93 | 0.88 | 21 | 0.49 | +http://yandex.com/bots |
| 7 | 84 | 0.79 | 39 | 0.92 | Windows 98 |
| 8 | 82 | 0.78 | 11 | 0.26 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 80 | 0.76 | 16 | 0.38 | +http://www.semrush.com/bot.html |
| 10 | 77 | 0.73 | 36 | 0.85 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 52 | 0.49 | 21 | 0.49 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 40 | 0.38 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 13 | 38 | 0.36 | 11 | 0.26 | X11 |
| 14 | 31 | 0.29 | 27 | 0.63 | MSIE 5.5; Windows NT 4.0 |
| 15 | 24 | 0.23 | 23 | 0.54 | Windows 2000 |
| 16 | 24 | 0.23 | 11 | 0.26 | +http://duckduckgo.com |
| 17 | 22 | 0.21 | 20 | 0.47 | MSIE 5.5; Windows NT 5.0 |
| 18 | 20 | 0.19 | 17 | 0.40 | Windows CE |
| 19 | 19 | 0.18 | 17 | 0.40 | Windows 3.1 |
| 20 | 18 | 0.17 | 7 | 0.16 | +http://help.coccoc.com/ |
| 21 | 18 | 0.17 | 16 | 0.38 | Windows ME |
| 22 | 18 | 0.17 | 9 | 0.21 | +http://www.exabot.com/go/robot |
| 23 | 17 | 0.16 | 17 | 0.40 | Auto; Windows |
| 24 | 17 | 0.16 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 25 | 16 | 0.15 | 4 | 0.09 | Windows XP |
| 26 | 15 | 0.14 | 0 | 0.00 | Android 2.3.5 |
| 27 | 14 | 0.13 | 13 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 28 | 13 | 0.12 | 4 | 0.09 | +http://ahrefs.com/robot/ |
| 29 | 10 | 0.09 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 9 | 0.09 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 31 | 8 | 0.08 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 32 | 8 | 0.08 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 6 | 0.06 | 6 | 0.14 | +http://domainsigma.com/robot |
| 34 | 4 | 0.04 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 35 | 4 | 0.04 | 3 | 0.07 | Intel Mac OS X 10.6 |
| 36 | 3 | 0.03 | 1 | 0.02 | +http://www.linkdex.com/bots/ |
| 37 | 3 | 0.03 | 2 | 0.05 | Linux i586 [unknown version] |
| 38 | 2 | 0.02 | 0 | 0.00 | BlackBerry |
| 39 | 2 | 0.02 | 2 | 0.05 | Linux i686 [unknown version] |
| 40 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.02 | 2 | 0.05 | +http://www.xovibot.net/ |
| 42 | 1 | 0.01 | 0 | 0.00 | Nintendo DSi |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 44 | 1 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 45 | 1 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
