| Used Operating Systems |
| 1 | 81604 | 71.19 | 8752 | 60.96 | Windows NT |
| 2 | 7119 | 6.21 | 219 | 1.53 | help@moz.com |
| 3 | 6549 | 5.71 | 3205 | 22.32 | +http://www.baidu.com/search/spider.html |
| 4 | 6029 | 5.26 | 117 | 0.81 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 3529 | 3.08 | 226 | 1.57 | +http://www.bing.com/bingbot.htm |
| 6 | 2393 | 2.09 | 405 | 2.82 | +http://www.google.com/bot.html |
| 7 | 1098 | 0.96 | 117 | 0.81 | +http://yandex.com/bots |
| 8 | 1068 | 0.93 | 36 | 0.25 | ezooms.bot@gmail.com |
| 9 | 595 | 0.52 | 389 | 2.71 | Windows 95 |
| 10 | 569 | 0.50 | 73 | 0.51 | ) - BrowseX (2.0.0 Windows |
| 11 | 427 | 0.37 | 8 | 0.06 | Linux i686 [unknown version] |
| 12 | 410 | 0.36 | 64 | 0.45 | Windows 98 |
| 13 | 316 | 0.28 | 9 | 0.06 | Macintosh |
| 14 | 288 | 0.25 | 2 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 15 | 279 | 0.24 | 0 | 0.00 | J2ME/MIDP |
| 16 | 187 | 0.16 | 58 | 0.40 | +http://www.linkdex.com/about/bots/ |
| 17 | 121 | 0.11 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 18 | 118 | 0.10 | 87 | 0.61 | MSIE 5.5; Windows NT 5.0 |
| 19 | 114 | 0.10 | 6 | 0.04 | +http://www.semrush.com/bot.html |
| 20 | 112 | 0.10 | 88 | 0.61 | MSIE 5.5; Windows NT 4.0 |
| 21 | 109 | 0.10 | 31 | 0.22 | X11 |
| 22 | 106 | 0.09 | 88 | 0.61 | Auto; Windows |
| 23 | 97 | 0.08 | 81 | 0.56 | Windows CE |
| 24 | 94 | 0.08 | 4 | 0.03 | +http://www.exabot.com/go/robot |
| 25 | 90 | 0.08 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 26 | 88 | 0.08 | 61 | 0.42 | Windows 3.1 |
| 27 | 88 | 0.08 | 1 | 0.01 | AOL 9.5; AOLBuild 4337.185; Windows NT 6... |
| 28 | 87 | 0.08 | 22 | 0.15 | +http://www.easou.com/search/spider.html |
| 29 | 87 | 0.08 | 8 | 0.06 | Windows XP |
| 30 | 84 | 0.07 | 70 | 0.49 | Windows 2000 |
| 31 | 84 | 0.07 | 1 | 0.01 | AOL 9.6; AOLBuild 4340.168; Windows NT 6... |
| 32 | 81 | 0.07 | 3 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 33 | 78 | 0.07 | 59 | 0.41 | Windows ME |
| 34 | 75 | 0.07 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 35 | 70 | 0.06 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 36 | 59 | 0.05 | 23 | 0.16 | +http://www.career-x.de/bot.html |
| 37 | 54 | 0.05 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 38 | 53 | 0.05 | 12 | 0.08 | Android 2.3.5 |
| 39 | 48 | 0.04 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 40 | 44 | 0.04 | 2 | 0.01 | +http://siteexplorer.info/ |
| 41 | 34 | 0.03 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 42 | 9 | 0.01 | 6 | 0.04 | Intel Mac OS X 10.6 |
| 43 | 8 | 0.01 | 0 | 0.00 | +http://www.seoprofiler.com/bot |
| 44 | 8 | 0.01 | 2 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 45 | 7 | 0.01 | 0 | 0.00 | Win32 |
| 46 | 6 | 0.01 | 3 | 0.02 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 47 | 6 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 48 | 4 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 49 | 4 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 4 | 0.00 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 51 | 4 | 0.00 | 1 | 0.01 | +http://spider.socialbm.net |
| 52 | 4 | 0.00 | 2 | 0.01 | Trident 4.0; Windows NT 6.1;GB; MSN Opti... |
| 53 | 4 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 54 | 4 | 0.00 | 0 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 55 | 3 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 56 | 3 | 0.00 | 1 | 0.01 | crawler@unister.de |
| 57 | 3 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
| 58 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 59 | 2 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 60 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 61 | 2 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 62 | 2 | 0.00 | 0 | 0.00 | Socialradarbot/2.0; en-US; bot@infegy.co... |
| 63 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 64 | 1 | 0.00 | 0 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 65 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 66 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 67 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 68 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
