| Used Operating Systems |
| 1 | 15176 | 37.73 | 4997 | 56.43 | Windows NT |
| 2 | 11995 | 29.82 | 190 | 2.15 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3497 | 8.69 | 73 | 0.82 | Windows 98 |
| 4 | 1558 | 3.87 | 592 | 6.69 | +http://ahrefs.com/robot/ |
| 5 | 1440 | 3.58 | 126 | 1.42 | +http://yandex.com/bots |
| 6 | 1404 | 3.49 | 6 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 7 | 923 | 2.29 | 487 | 5.50 | +http://www.google.com/bot.html |
| 8 | 877 | 2.18 | 273 | 3.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 867 | 2.16 | 550 | 6.21 | +http://www.baidu.com/search/spider.html |
| 10 | 570 | 1.42 | 394 | 4.45 | Windows 95 |
| 11 | 487 | 1.21 | 308 | 3.48 | +http://www.bing.com/bingbot.htm |
| 12 | 211 | 0.52 | 92 | 1.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 175 | 0.44 | 61 | 0.69 | +http://www.linkdex.com/bots/ |
| 14 | 112 | 0.28 | 90 | 1.02 | Auto; Windows |
| 15 | 105 | 0.26 | 69 | 0.78 | Windows ME |
| 16 | 103 | 0.26 | 90 | 1.02 | ) - BrowseX (2.0.0 Windows |
| 17 | 91 | 0.23 | 83 | 0.94 | MSIE 5.5; Windows NT 4.0 |
| 18 | 87 | 0.22 | 68 | 0.77 | Windows 3.1 |
| 19 | 87 | 0.22 | 76 | 0.86 | MSIE 5.5; Windows NT 5.0 |
| 20 | 76 | 0.19 | 67 | 0.76 | Windows CE |
| 21 | 75 | 0.19 | 67 | 0.76 | Windows 2000 |
| 22 | 74 | 0.18 | 6 | 0.07 | Windows XP |
| 23 | 39 | 0.10 | 21 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 28 | 0.07 | 7 | 0.08 | +http://www.warebay.com/bot.html |
| 25 | 24 | 0.06 | 12 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 22 | 0.05 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 27 | 14 | 0.03 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 28 | 13 | 0.03 | 5 | 0.06 | Linux i686 [unknown version] |
| 29 | 12 | 0.03 | 8 | 0.09 | X11 |
| 30 | 9 | 0.02 | 4 | 0.05 | +http://www.exabot.com/go/robot |
| 31 | 8 | 0.02 | 7 | 0.08 | +info@netcraft.com |
| 32 | 6 | 0.01 | 1 | 0.01 | Series 60 |
| 33 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 34 | 5 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 35 | 5 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 36 | 5 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 37 | 5 | 0.01 | 5 | 0.06 | +http://www.easou.com/search/spider.html |
| 38 | 5 | 0.01 | 1 | 0.01 | SpreadTrum |
| 39 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 3 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 41 | 3 | 0.01 | 1 | 0.01 | +http://downloaflare.biz |
| 42 | 3 | 0.01 | 1 | 0.01 | +http://mydownloadengine.com |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 45 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 46 | 2 | 0.00 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 47 | 2 | 0.00 | 2 | 0.02 | Android 2.3.5 |
| 48 | 2 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
| 49 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 50 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 51 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 52 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 53 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
