| Used Operating Systems |
| 1 | 22454 | 59.68 | 200 | 3.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7704 | 20.48 | 3664 | 61.16 | Windows NT |
| 3 | 1364 | 3.63 | 256 | 4.27 | +http://www.bing.com/bingbot.htm |
| 4 | 1211 | 3.22 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 5 | 888 | 2.36 | 132 | 2.20 | +http://yandex.com/bots |
| 6 | 805 | 2.14 | 327 | 5.46 | +http://www.google.com/bot.html |
| 7 | 748 | 1.99 | 83 | 1.39 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 397 | 1.06 | 219 | 3.66 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 291 | 0.77 | 226 | 3.77 | +http://www.baidu.com/search/spider.html |
| 10 | 274 | 0.73 | 140 | 2.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 241 | 0.64 | 187 | 3.12 | Windows 95 |
| 12 | 174 | 0.46 | 13 | 0.22 | +http://fulltext.sblog.cz/ |
| 13 | 171 | 0.45 | 50 | 0.83 | +http://www.linkdex.com/bots/ |
| 14 | 125 | 0.33 | 76 | 1.27 | +http://ahrefs.com/robot/ |
| 15 | 119 | 0.32 | 38 | 0.63 | Windows 98 |
| 16 | 75 | 0.20 | 4 | 0.07 | Linux [unknown version] |
| 17 | 54 | 0.14 | 38 | 0.63 | MSIE 5.5; Windows NT 4.0 |
| 18 | 53 | 0.14 | 8 | 0.13 | Windows XP |
| 19 | 52 | 0.14 | 37 | 0.62 | Windows 3.1 |
| 20 | 48 | 0.13 | 8 | 0.13 | +http://www.xovibot.net/ |
| 21 | 34 | 0.09 | 34 | 0.57 | Windows CE |
| 22 | 34 | 0.09 | 34 | 0.57 | Auto; Windows |
| 23 | 34 | 0.09 | 30 | 0.50 | MSIE 5.5; Windows NT 5.0 |
| 24 | 32 | 0.09 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 25 | 31 | 0.08 | 28 | 0.47 | Windows 2000 |
| 26 | 27 | 0.07 | 21 | 0.35 | X11 |
| 27 | 26 | 0.07 | 24 | 0.40 | ) - BrowseX (2.0.0 Windows |
| 28 | 26 | 0.07 | 13 | 0.22 | +http://duckduckgo.com |
| 29 | 24 | 0.06 | 22 | 0.37 | Windows ME |
| 30 | 23 | 0.06 | 14 | 0.23 | +http://www.semrush.com/bot.html |
| 31 | 18 | 0.05 | 8 | 0.13 | +http://www.exabot.com/go/robot |
| 32 | 14 | 0.04 | 14 | 0.23 | Linux i686 [unknown version] |
| 33 | 13 | 0.03 | 13 | 0.22 | Intel Mac OS X 10.5 |
| 34 | 8 | 0.02 | 6 | 0.10 | Android 2.3.5 |
| 35 | 6 | 0.02 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 6 | 0.02 | 6 | 0.10 | +http://domainsigma.com/robot |
| 37 | 4 | 0.01 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 38 | 3 | 0.01 | 1 | 0.02 | +http://gimmeusa-update.com/crawler |
| 39 | 3 | 0.01 | 3 | 0.05 | PPC Mac OS X Mach-O |
| 40 | 2 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 41 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 42 | 1 | 0.00 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 43 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 46 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
