| Used Operating Systems |
| 1 | 11323 | 43.84 | 5249 | 49.63 | Windows NT |
| 2 | 5317 | 20.58 | 156 | 1.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3155 | 12.21 | 2916 | 27.57 | +http://www.baidu.com/search/spider.html |
| 4 | 1669 | 6.46 | 302 | 2.86 | +http://yandex.com/bots |
| 5 | 888 | 3.44 | 498 | 4.71 | +http://www.google.com/bot.html |
| 6 | 606 | 2.35 | 246 | 2.33 | +http://www.bing.com/bingbot.htm |
| 7 | 340 | 1.32 | 273 | 2.58 | Windows 95 |
| 8 | 273 | 1.06 | 121 | 1.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 200 | 0.77 | 51 | 0.48 | Windows 98 |
| 10 | 195 | 0.75 | 60 | 0.57 | +http://www.linkdex.com/bots/ |
| 11 | 144 | 0.56 | 2 | 0.02 | +http://megaindex.com/crawler |
| 12 | 136 | 0.53 | 8 | 0.08 | Android 4.1.1 |
| 13 | 128 | 0.50 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 14 | 96 | 0.37 | 75 | 0.71 | +http://ahrefs.com/robot/ |
| 15 | 80 | 0.31 | 15 | 0.14 | Windows Phone OS 7.5 |
| 16 | 79 | 0.31 | 9 | 0.09 | Android 2.3.5 |
| 17 | 74 | 0.29 | 41 | 0.39 | Linux i686 [unknown version] |
| 18 | 74 | 0.29 | 1 | 0.01 | +http://www.findxbot.com |
| 19 | 71 | 0.27 | 1 | 0.01 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 20 | 67 | 0.26 | 11 | 0.10 | Windows XP |
| 21 | 66 | 0.26 | 57 | 0.54 | Windows ME |
| 22 | 62 | 0.24 | 54 | 0.51 | Windows 3.1 |
| 23 | 62 | 0.24 | 57 | 0.54 | MSIE 5.5; Windows NT 4.0 |
| 24 | 58 | 0.22 | 27 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 25 | 50 | 0.19 | 44 | 0.42 | Windows 2000 |
| 26 | 50 | 0.19 | 19 | 0.18 | X11 |
| 27 | 50 | 0.19 | 1 | 0.01 | +http://advbot.org/bot.html |
| 28 | 48 | 0.19 | 42 | 0.40 | ) - BrowseX (2.0.0 Windows |
| 29 | 47 | 0.18 | 43 | 0.41 | Windows CE |
| 30 | 46 | 0.18 | 42 | 0.40 | MSIE 5.5; Windows NT 5.0 |
| 31 | 44 | 0.17 | 18 | 0.17 | +http://help.coccoc.com/ |
| 32 | 43 | 0.17 | 40 | 0.38 | Auto; Windows |
| 33 | 33 | 0.13 | 5 | 0.05 | Android |
| 34 | 29 | 0.11 | 22 | 0.21 | Linux [unknown version] |
| 35 | 24 | 0.09 | 1 | 0.01 | Series 60 |
| 36 | 22 | 0.09 | 13 | 0.12 | +http://www.exabot.com/go/robot |
| 37 | 21 | 0.08 | 10 | 0.09 | Win32 |
| 38 | 19 | 0.07 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 39 | 18 | 0.07 | 2 | 0.02 | J2ME/MIDP |
| 40 | 18 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 41 | 17 | 0.07 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 42 | 15 | 0.06 | 9 | 0.09 | +http://www.proximic.com/info/spider.php |
| 43 | 13 | 0.05 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 44 | 13 | 0.05 | 4 | 0.04 | +http://fulltext.sblog.cz/ |
| 45 | 10 | 0.04 | 5 | 0.05 | +http://duckduckgo.com |
| 46 | 8 | 0.03 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 47 | 4 | 0.02 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 48 | 4 | 0.02 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 4 | 0.02 | 4 | 0.04 | +http://domainsigma.com/robot |
| 50 | 3 | 0.01 | 3 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 51 | 3 | 0.01 | 3 | 0.03 | Linux i586 [unknown version] |
| 52 | 2 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 53 | 2 | 0.01 | 0 | 0.00 | Windows 9. |
| 54 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 55 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 56 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 57 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
