| Used Operating Systems |
| 1 | 327423 | 71.22 | 1598 | 8.22 | +http://www.bing.com/bingbot.htm |
| 2 | 37829 | 8.23 | 339 | 1.74 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 18520 | 4.03 | 623 | 3.20 | +http://yandex.com/bots |
| 4 | 17550 | 3.82 | 3270 | 16.81 | +http://www.google.com/bot.html |
| 5 | 10801 | 2.35 | 3538 | 18.19 | Windows NT |
| 6 | 8995 | 1.96 | 28 | 0.14 | +http://ahrefs.com/robot/ |
| 7 | 7756 | 1.69 | 7302 | 37.54 | +http://www.baidu.com/search/spider.html |
| 8 | 7671 | 1.67 | 211 | 1.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 7051 | 1.53 | 26 | 0.13 | +http://fulltext.sblog.cz/ |
| 10 | 5238 | 1.14 | 333 | 1.71 | +http://www.semrush.com/bot.html |
| 11 | 3014 | 0.66 | 636 | 3.27 | +http://www.linkdex.com/bots/ |
| 12 | 2002 | 0.44 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 13 | 1198 | 0.26 | 3 | 0.02 | +http://webmeup-crawler.com/ |
| 14 | 756 | 0.16 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 15 | 750 | 0.16 | 158 | 0.81 | +http://fulltext.sblog.cz/screenshot/ |
| 16 | 651 | 0.14 | 328 | 1.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 302 | 0.07 | 119 | 0.61 | +http://duckduckgo.com |
| 18 | 300 | 0.07 | 148 | 0.76 | support.orangebot@orange.com |
| 19 | 255 | 0.06 | 199 | 1.02 | Windows 95 |
| 20 | 253 | 0.06 | 4 | 0.02 | Linux i586 [unknown version] |
| 21 | 227 | 0.05 | 27 | 0.14 | Windows 98 |
| 22 | 136 | 0.03 | 76 | 0.39 | Linux i686 [unknown version] |
| 23 | 100 | 0.02 | 45 | 0.23 | +http://help.coccoc.com/ |
| 24 | 94 | 0.02 | 1 | 0.01 | +http://www.similartech.com/smtbot |
| 25 | 74 | 0.02 | 20 | 0.10 | +http://www.exabot.com/go/robot |
| 26 | 70 | 0.02 | 8 | 0.04 | +http://www.findxbot.com |
| 27 | 55 | 0.01 | 40 | 0.21 | Windows 3.1 |
| 28 | 54 | 0.01 | 44 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 29 | 47 | 0.01 | 5 | 0.03 | Windows XP |
| 30 | 42 | 0.01 | 34 | 0.17 | Windows ME |
| 31 | 39 | 0.01 | 35 | 0.18 | Windows CE |
| 32 | 39 | 0.01 | 37 | 0.19 | Windows 2000 |
| 33 | 39 | 0.01 | 35 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 34 | 38 | 0.01 | 33 | 0.17 | Auto; Windows |
| 35 | 37 | 0.01 | 18 | 0.09 | AOL 9.5; AOLBuild 4337.5401; Windows NT ... |
| 36 | 37 | 0.01 | 31 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 37 | 28 | 0.01 | 4 | 0.02 | PPC Mac OS X Mach-O |
| 38 | 25 | 0.01 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 39 | 24 | 0.01 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 40 | 24 | 0.01 | 8 | 0.04 | +http://www.profound.net/domainappender |
| 41 | 22 | 0.00 | 2 | 0.01 | Macintosh |
| 42 | 18 | 0.00 | 7 | 0.04 | +https://www.mojeek.com/bot.html |
| 43 | 14 | 0.00 | 5 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 44 | 14 | 0.00 | 2 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 45 | 10 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 46 | 9 | 0.00 | 8 | 0.04 | +info@netcraft.com |
| 47 | 8 | 0.00 | 4 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 48 | 7 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 49 | 7 | 0.00 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 50 | 6 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 51 | 6 | 0.00 | 6 | 0.03 | Linux [unknown version] |
| 52 | 6 | 0.00 | 6 | 0.03 | +http://domainsigma.com/robot |
| 53 | 4 | 0.00 | 4 | 0.02 | Macintosh PPC |
| 54 | 4 | 0.00 | 2 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 55 | 4 | 0.00 | 2 | 0.01 | OSF1 V5.1 alpha |
| 56 | 4 | 0.00 | 1 | 0.01 | AOL 9.6; AOLBuild 4340.168; Windows NT 6... |
| 57 | 4 | 0.00 | 2 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 58 | 4 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 59 | 3 | 0.00 | 1 | 0.01 | +http://gimmeusa-update.com/crawler |
| 60 | 3 | 0.00 | 2 | 0.01 | Linux 2.4.x |
| 61 | 3 | 0.00 | 3 | 0.02 | Linux 2.0.x |
| 62 | 3 | 0.00 | 2 | 0.01 | FreeBSD 4.x |
| 63 | 3 | 0.00 | 2 | 0.01 | X11 |
| 64 | 3 | 0.00 | 2 | 0.01 | AmigaOS/MC680x0 |
| 65 | 2 | 0.00 | 2 | 0.01 | Win32 |
| 66 | 2 | 0.00 | 1 | 0.01 | RISC OS 4.02 |
| 67 | 2 | 0.00 | 2 | 0.01 | +http://www.seograph.net/bot.html |
| 68 | 2 | 0.00 | 0 | 0.00 | Windows 9. |
| 69 | 2 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
| 70 | 2 | 0.00 | 1 | 0.01 | IRIX 6.x |
| 71 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 72 | 1 | 0.00 | 1 | 0.01 | Solaris 2.6.x |
| 73 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 74 | 1 | 0.00 | 1 | 0.01 | MSIE 5.0; Windows 98; SiteCoach 1.0 |
| 75 | 1 | 0.00 | 1 | 0.01 | OS/2 |
| 76 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 77 | 1 | 0.00 | 1 | 0.01 | Linux 2.2.x |
| 78 | 1 | 0.00 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 79 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 80 | 1 | 0.00 | 0 | 0.00 | SunOS 4.1.x |
| 81 | 1 | 0.00 | 1 | 0.01 | Win16 |
