| Used Operating Systems |
| 1 | 131914 | 72.62 | 5793 | 42.79 | Windows NT |
| 2 | 18960 | 10.44 | 1958 | 14.46 | +http://www.bing.com/bingbot.htm |
| 3 | 7749 | 4.27 | 1395 | 10.31 | +http://www.google.com/bot.html |
| 4 | 4588 | 2.53 | 137 | 1.01 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 3925 | 2.16 | 281 | 2.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 2901 | 1.60 | 2145 | 15.85 | +http://www.baidu.com/search/spider.html |
| 7 | 2466 | 1.36 | 746 | 5.51 | +http://www.easou.com/search/spider.html |
| 8 | 2172 | 1.20 | 236 | 1.74 | +http://yandex.com/bots |
| 9 | 2001 | 1.10 | 8 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 10 | 919 | 0.51 | 64 | 0.47 | Windows 98 |
| 11 | 914 | 0.50 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 12 | 809 | 0.45 | 109 | 0.81 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 667 | 0.37 | 393 | 2.90 | +http://ahrefs.com/robot/ |
| 14 | 408 | 0.22 | 1 | 0.01 | +http://www.linkpad.ru |
| 15 | 151 | 0.08 | 28 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 118 | 0.06 | 1 | 0.01 | Intel Mac OS X 10.9 |
| 17 | 113 | 0.06 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 18 | 95 | 0.05 | 9 | 0.07 | X11 |
| 19 | 86 | 0.05 | 23 | 0.17 | +http://www.exabot.com/go/robot |
| 20 | 60 | 0.03 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 21 | 56 | 0.03 | 52 | 0.38 | Windows 95 |
| 22 | 55 | 0.03 | 7 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 23 | 52 | 0.03 | 4 | 0.03 | +http://u12files.com/ |
| 24 | 47 | 0.03 | 6 | 0.04 | +http://inload.in |
| 25 | 43 | 0.02 | 4 | 0.03 | +http://p4load.com/ |
| 26 | 42 | 0.02 | 3 | 0.02 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 27 | 35 | 0.02 | 1 | 0.01 | Windows Phone OS 7.5 |
| 28 | 29 | 0.02 | 14 | 0.10 | +http://www.proximic.com/info/spider.php |
| 29 | 20 | 0.01 | 3 | 0.02 | +http://freedlf.com/ |
| 30 | 18 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 31 | 18 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 32 | 17 | 0.01 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 33 | 15 | 0.01 | 10 | 0.07 | Windows XP |
| 34 | 14 | 0.01 | 12 | 0.09 | Windows ME |
| 35 | 14 | 0.01 | 4 | 0.03 | Linux i686 [unknown version] |
| 36 | 14 | 0.01 | 4 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 12 | 0.01 | 0 | 0.00 | Win32 |
| 38 | 12 | 0.01 | 12 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 39 | 11 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 11 | 0.01 | 11 | 0.08 | Windows CE |
| 41 | 11 | 0.01 | 11 | 0.08 | Windows 2000 |
| 42 | 11 | 0.01 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 43 | 11 | 0.01 | 3 | 0.02 | Android 2.3.5 |
| 44 | 10 | 0.01 | 9 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 45 | 9 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 46 | 9 | 0.00 | 8 | 0.06 | Windows 3.1 |
| 47 | 8 | 0.00 | 4 | 0.03 | +http://fulltext.sblog.cz/ |
| 48 | 5 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 49 | 5 | 0.00 | 2 | 0.01 | +http://gimme60.com |
| 50 | 5 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 51 | 4 | 0.00 | 0 | 0.00 | http://help.zum.com/inquiry |
| 52 | 4 | 0.00 | 4 | 0.03 | +http://tweetmeme.com/ |
| 53 | 3 | 0.00 | 3 | 0.02 | http://support.paper.li/entries/20023257... |
| 54 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 55 | 2 | 0.00 | 2 | 0.01 | +http://wmaid.com/explore/ |
| 56 | 2 | 0.00 | 2 | 0.01 | +http://www.loadtime.net/bot.html |
| 57 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 58 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 59 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 60 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 61 | 1 | 0.00 | 1 | 0.01 | +http://tweetedtimes.com |
| 62 | 1 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 63 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
