| Used Operating Systems |
| 1 | 72540 | 59.59 | 6413 | 46.83 | Windows NT |
| 2 | 18495 | 15.19 | 320 | 2.34 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 9280 | 7.62 | 117 | 0.85 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 8298 | 6.82 | 5333 | 38.95 | +http://www.baidu.com/search/spider.html |
| 5 | 5404 | 4.44 | 371 | 2.71 | +http://www.bing.com/bingbot.htm |
| 6 | 1923 | 1.58 | 290 | 2.12 | +http://www.google.com/bot.html |
| 7 | 1000 | 0.82 | 115 | 0.84 | Windows 98 |
| 8 | 507 | 0.42 | 16 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 381 | 0.31 | 66 | 0.48 | +http://yandex.com/bots |
| 10 | 348 | 0.29 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 11 | 334 | 0.27 | 96 | 0.70 | +http://www.linkdex.com/bots/ |
| 12 | 312 | 0.26 | 2 | 0.01 | +http://ahrefs.com/robot/ |
| 13 | 258 | 0.21 | 143 | 1.04 | Windows 95 |
| 14 | 249 | 0.20 | 62 | 0.45 | Linux i686 [unknown version] |
| 15 | 182 | 0.15 | 4 | 0.03 | Windows 92 |
| 16 | 175 | 0.14 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 17 | 153 | 0.13 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 150 | 0.12 | 3 | 0.02 | +http://www.easou.com/search/spider.html |
| 19 | 136 | 0.11 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 20 | 114 | 0.09 | 16 | 0.12 | +http://www.exabot.com/go/robot |
| 21 | 96 | 0.08 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 22 | 92 | 0.08 | 23 | 0.17 | +http://www.profound.net/urlappendbot.ht... |
| 23 | 92 | 0.08 | 13 | 0.09 | Macintosh |
| 24 | 86 | 0.07 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 25 | 84 | 0.07 | 1 | 0.01 | Windows Mobile |
| 26 | 82 | 0.07 | 1 | 0.01 | Windows Phone OS 7.5 |
| 27 | 71 | 0.06 | 16 | 0.12 | Windows XP |
| 28 | 66 | 0.05 | 24 | 0.18 | Linux [unknown version] |
| 29 | 66 | 0.05 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 30 | 61 | 0.05 | 5 | 0.04 | X11 |
| 31 | 55 | 0.05 | 22 | 0.16 | +http://www.career-x.de/bot.html |
| 32 | 53 | 0.04 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 33 | 51 | 0.04 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 34 | 49 | 0.04 | 0 | 0.00 | Windows 90 |
| 35 | 48 | 0.04 | 32 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 36 | 44 | 0.04 | 26 | 0.19 | Windows 2000 |
| 37 | 41 | 0.03 | 30 | 0.22 | Windows CE |
| 38 | 37 | 0.03 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 39 | 36 | 0.03 | 21 | 0.15 | Windows ME |
| 40 | 36 | 0.03 | 26 | 0.19 | Windows 3.1 |
| 41 | 31 | 0.03 | 24 | 0.18 | MSIE 5.5; Windows NT 4.0 |
| 42 | 24 | 0.02 | 4 | 0.03 | Android 2.3.5 |
| 43 | 23 | 0.02 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 44 | 23 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 45 | 20 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 46 | 18 | 0.01 | 8 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 47 | 14 | 0.01 | 5 | 0.04 | Auto; Windows |
| 48 | 8 | 0.01 | 3 | 0.02 | +http://www.proximic.com/info/spider.php |
| 49 | 8 | 0.01 | 2 | 0.01 | Archive-It; +http://archive-it.org/files... |
| 50 | 7 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 51 | 6 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 52 | 6 | 0.00 | 6 | 0.04 | +http://wmaid.com/explore/ |
| 53 | 5 | 0.00 | 2 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 54 | 5 | 0.00 | 3 | 0.02 | +info@netcraft.com |
| 55 | 5 | 0.00 | 1 | 0.01 | +http://freedlf.com/ |
| 56 | 5 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 57 | 4 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 58 | 3 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 59 | 3 | 0.00 | 1 | 0.01 | +http://getdownload.ws |
| 60 | 3 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 61 | 3 | 0.00 | 2 | 0.01 | +http://tweetmeme.com/ |
| 62 | 2 | 0.00 | 1 | 0.01 | http://linkfluence.net/; bot@linkfluence... |
| 63 | 2 | 0.00 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 64 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; ZangoToolbar 1.... |
| 65 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 66 | 2 | 0.00 | 2 | 0.01 | +http://www.loadtime.net/bot.html |
| 67 | 2 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 68 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 6.1; Maxthon; Ma... |
| 69 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 70 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 71 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.8 |
| 72 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
