| Used Operating Systems |
| 1 | 116790 | 77.05 | 8775 | 61.96 | Windows NT |
| 2 | 10690 | 7.05 | 157 | 1.11 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 7048 | 4.65 | 4079 | 28.80 | +http://www.baidu.com/search/spider.html |
| 4 | 6695 | 4.42 | 238 | 1.68 | help@moz.com |
| 5 | 2746 | 1.81 | 128 | 0.90 | +http://www.bing.com/bingbot.htm |
| 6 | 1241 | 0.82 | 45 | 0.32 | Windows 98 |
| 7 | 1237 | 0.82 | 141 | 1.00 | +http://www.google.com/bot.html |
| 8 | 1182 | 0.78 | 169 | 1.19 | +http://yandex.com/bots |
| 9 | 511 | 0.34 | 27 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 407 | 0.27 | 2 | 0.01 | X11 |
| 11 | 253 | 0.17 | 81 | 0.57 | +http://www.linkdex.com/about/bots/ |
| 12 | 230 | 0.15 | 2 | 0.01 | Android 2.3.5 |
| 13 | 209 | 0.14 | 14 | 0.10 | Windows 92 |
| 14 | 178 | 0.12 | 6 | 0.04 | +http://www.easou.com/search/spider.html |
| 15 | 176 | 0.12 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 16 | 173 | 0.11 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 17 | 168 | 0.11 | 81 | 0.57 | Windows 95 |
| 18 | 154 | 0.10 | 1 | 0.01 | Windows Phone OS 7.5 |
| 19 | 152 | 0.10 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 20 | 140 | 0.09 | 11 | 0.08 | +http://www.exabot.com/go/robot |
| 21 | 113 | 0.07 | 2 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 111 | 0.07 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 23 | 84 | 0.06 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 24 | 76 | 0.05 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 25 | 75 | 0.05 | 12 | 0.08 | Linux i686 [unknown version] |
| 26 | 66 | 0.04 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 27 | 56 | 0.04 | 1 | 0.01 | http://www.lipperhey.com/ |
| 28 | 53 | 0.03 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 29 | 50 | 0.03 | 20 | 0.14 | +http://www.career-x.de/bot.html |
| 30 | 49 | 0.03 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 31 | 47 | 0.03 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 32 | 47 | 0.03 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 33 | 41 | 0.03 | 24 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 34 | 37 | 0.02 | 20 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 35 | 35 | 0.02 | 20 | 0.14 | Windows CE |
| 36 | 31 | 0.02 | 20 | 0.14 | Windows ME |
| 37 | 29 | 0.02 | 20 | 0.14 | Windows 2000 |
| 38 | 29 | 0.02 | 5 | 0.04 | Windows XP |
| 39 | 25 | 0.02 | 19 | 0.13 | Windows 3.1 |
| 40 | 21 | 0.01 | 4 | 0.03 | Intel Mac OS X 10.6 |
| 41 | 16 | 0.01 | 4 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 42 | 16 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 43 | 13 | 0.01 | 2 | 0.01 | WinHttp.WinHttpRequest.5 |
| 44 | 11 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 45 | 9 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 46 | 7 | 0.00 | 6 | 0.04 | Linux [unknown version] |
| 47 | 6 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 48 | 6 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 49 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 5 | 0.00 | 3 | 0.02 | +info@netcraft.com |
| 51 | 4 | 0.00 | 3 | 0.02 | +http://tweetmeme.com/ |
| 52 | 4 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 53 | 3 | 0.00 | 0 | 0.00 | Win32 |
| 54 | 3 | 0.00 | 1 | 0.01 | Auto; Windows |
| 55 | 3 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
| 56 | 2 | 0.00 | 1 | 0.01 | http://linkfluence.net/; bot@linkfluence... |
| 57 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 4.1; MSN Optimiz... |
| 58 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; Maxthon; SV1 |
| 59 | 2 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 60 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 61 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 62 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 63 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 64 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 65 | 1 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 66 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
