| Used Operating Systems by Visits |
| 1 | 68139 | 53.01 | 6475 | 44.16 | Windows NT |
| 2 | 9983 | 7.77 | 6418 | 43.77 | +http://www.baidu.com/search/spider.html |
| 3 | 23828 | 18.54 | 325 | 2.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 764 | 0.59 | 267 | 1.82 | +http://www.easou.com/search/spider.html |
| 5 | 1577 | 1.23 | 251 | 1.71 | +http://www.google.com/bot.html |
| 6 | 14864 | 11.56 | 170 | 1.16 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 3832 | 2.98 | 160 | 1.09 | +http://www.bing.com/bingbot.htm |
| 8 | 395 | 0.31 | 122 | 0.83 | +http://www.linkdex.com/bots/ |
| 9 | 215 | 0.17 | 90 | 0.61 | Windows 95 |
| 10 | 880 | 0.68 | 82 | 0.56 | Windows 98 |
| 11 | 364 | 0.28 | 48 | 0.33 | +http://yandex.com/bots |
| 12 | 57 | 0.04 | 23 | 0.16 | +http://www.career-x.de/bot.html |
| 13 | 421 | 0.33 | 19 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 35 | 0.03 | 16 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 15 | 31 | 0.02 | 14 | 0.10 | Windows 3.1 |
| 16 | 25 | 0.02 | 13 | 0.09 | Windows CE |
| 17 | 32 | 0.02 | 13 | 0.09 | Auto; Windows |
| 18 | 22 | 0.02 | 12 | 0.08 | Windows 2000 |
| 19 | 19 | 0.01 | 11 | 0.08 | Windows ME |
| 20 | 364 | 0.28 | 10 | 0.07 | Windows 92 |
| 21 | 17 | 0.01 | 10 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 22 | 18 | 0.01 | 9 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 23 | 11 | 0.01 | 9 | 0.06 | +info@netcraft.com |
| 24 | 94 | 0.07 | 9 | 0.06 | +http://www.exabot.com/go/robot |
| 25 | 29 | 0.02 | 8 | 0.05 | Linux [unknown version] |
| 26 | 21 | 0.02 | 8 | 0.05 | Linux i686 [unknown version] |
| 27 | 51 | 0.04 | 6 | 0.04 | Windows XP |
| 28 | 38 | 0.03 | 6 | 0.04 | X11 |
| 29 | 643 | 0.50 | 5 | 0.03 | +http://ahrefs.com/robot/ |
| 30 | 306 | 0.24 | 4 | 0.03 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 31 | 4 | 0.00 | 4 | 0.03 | mailto: crawling@ubermetrics-technologie... |
| 32 | 7 | 0.01 | 4 | 0.03 | +http://wmaid.com/explore/ |
| 33 | 9 | 0.01 | 3 | 0.02 | +http://www.proximic.com/info/spider.php |
| 34 | 12 | 0.01 | 3 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 35 | 16 | 0.01 | 3 | 0.02 | Android 2.3.5 |
| 36 | 10 | 0.01 | 3 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 37 | 51 | 0.04 | 2 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 38 | 3 | 0.00 | 2 | 0.01 | +http://tweetmeme.com/ |
| 39 | 194 | 0.15 | 2 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 40 | 3 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 41 | 4 | 0.00 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 50 | 0.04 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 43 | 273 | 0.21 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 44 | 82 | 0.06 | 1 | 0.01 | BlackBerry |
| 45 | 90 | 0.07 | 1 | 0.01 | Android |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 48 | 31 | 0.02 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 49 | 26 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://www.openhose.org/bot.html |
| 51 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 52 | 2 | 0.00 | 1 | 0.01 | +http://www.ajdg.net/ |
| 53 | 3 | 0.00 | 1 | 0.01 | +http://downloaflare.biz |
| 54 | 175 | 0.14 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 55 | 1 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
| 56 | 2 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 57 | 272 | 0.21 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 58 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 59 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 60 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 61 | 7 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/ |
| 62 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 63 | 100 | 0.08 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 64 | 3 | 0.00 | 0 | 0.00 | Win32 |
| 65 | 1 | 0.00 | 0 | 0.00 | OpenBSD [unknown version] |
| 66 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 67 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.8 |
| 68 | 8 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 69 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 70 | 2 | 0.00 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 71 | 1 | 0.00 | 0 | 0.00 | http://rigor.com |
| 72 | 6 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 73 | 10 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 74 | 5 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
