| Used Operating Systems |
| 1 | 12572 | 47.10 | 4098 | 43.68 | Windows NT |
| 2 | 4838 | 18.12 | 1495 | 15.93 | +http://www.google.com/bot.html |
| 3 | 1935 | 7.25 | 1415 | 15.08 | +http://www.baidu.com/search/spider.html |
| 4 | 1512 | 5.66 | 757 | 8.07 | +http://www.bing.com/bingbot.htm |
| 5 | 1206 | 4.52 | 238 | 2.54 | +http://www.easou.com/search/spider.html |
| 6 | 799 | 2.99 | 219 | 2.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 598 | 2.24 | 82 | 0.87 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 491 | 1.84 | 153 | 1.63 | +http://yandex.com/bots |
| 9 | 375 | 1.40 | 163 | 1.74 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 373 | 1.40 | 3 | 0.03 | +http://www.warebay.com/bot.html |
| 11 | 317 | 1.19 | 231 | 2.46 | +http://ahrefs.com/robot/ |
| 12 | 274 | 1.03 | 170 | 1.81 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 176 | 0.66 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 14 | 172 | 0.64 | 129 | 1.37 | Windows 98 |
| 15 | 131 | 0.49 | 14 | 0.15 | Android |
| 16 | 129 | 0.48 | 5 | 0.05 | Intel Mac OS X 10.4 |
| 17 | 104 | 0.39 | 33 | 0.35 | Windows 95 |
| 18 | 103 | 0.39 | 12 | 0.13 | +http://www.linkdex.com/bots/ |
| 19 | 82 | 0.31 | 10 | 0.11 | J2ME/MIDP |
| 20 | 65 | 0.24 | 22 | 0.23 | +http://help.coccoc.com/ |
| 21 | 59 | 0.22 | 16 | 0.17 | +http://fulltext.sblog.cz/ |
| 22 | 42 | 0.16 | 15 | 0.16 | +http://www.exabot.com/go/robot |
| 23 | 30 | 0.11 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 27 | 0.10 | 9 | 0.10 | Auto; Windows |
| 25 | 24 | 0.09 | 8 | 0.09 | Windows 2000 |
| 26 | 21 | 0.08 | 7 | 0.07 | Linux [unknown version] |
| 27 | 18 | 0.07 | 6 | 0.06 | Windows 3.1 |
| 28 | 12 | 0.04 | 3 | 0.03 | +http://www.proximic.com/info/spider.php |
| 29 | 12 | 0.04 | 5 | 0.05 | http://crawler.sistrix.net/ |
| 30 | 12 | 0.04 | 2 | 0.02 | +http://downloaflare.biz |
| 31 | 11 | 0.04 | 6 | 0.06 | Linux i686 [unknown version] |
| 32 | 10 | 0.04 | 2 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 10 | 0.04 | 1 | 0.01 | Windows 92 |
| 34 | 10 | 0.04 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 10 | 0.04 | 10 | 0.11 | +http://flipboard.com/browserproxy |
| 36 | 9 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 37 | 9 | 0.03 | 2 | 0.02 | +info@netcraft.com |
| 38 | 9 | 0.03 | 3 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 39 | 7 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 7 | 0.03 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 41 | 6 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 42 | 6 | 0.02 | 1 | 0.01 | +http://getdownload.ws |
| 43 | 6 | 0.02 | 2 | 0.02 | Windows ME |
| 44 | 6 | 0.02 | 5 | 0.05 | +http://www.xovibot.net/ |
| 45 | 6 | 0.02 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 46 | 6 | 0.02 | 1 | 0.01 | +http://overx50.com/ |
| 47 | 5 | 0.02 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 48 | 5 | 0.02 | 1 | 0.01 | Trident/6.0; Windows 98; Alexa Toolbar; ... |
| 49 | 5 | 0.02 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 50 | 4 | 0.01 | 1 | 0.01 | Trident/6.0; Windows NT 4.1; Alexa Toolb... |
| 51 | 4 | 0.01 | 1 | 0.01 | Trident/5.0; Windows NT 4.1; Crazy Brows... |
| 52 | 4 | 0.01 | 1 | 0.01 | Windows XP |
| 53 | 4 | 0.01 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 54 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 55 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 56 | 3 | 0.01 | 3 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 57 | 2 | 0.01 | 1 | 0.01 | Win32 |
| 58 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 59 | 2 | 0.01 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 60 | 2 | 0.01 | 1 | 0.01 | +http://www.infohelfer.de/crawler.php |
| 61 | 2 | 0.01 | 1 | 0.01 | +http://gimme60.com |
| 62 | 2 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 63 | 1 | 0.00 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 64 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 65 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 66 | 1 | 0.00 | 0 | 0.00 | +http://tweetmeme.com/ |
