| Used Operating Systems |
| 1 | 16491 | 39.58 | 5090 | 47.57 | Windows NT |
| 2 | 11305 | 27.14 | 361 | 3.37 | +http://ahrefs.com/robot/ |
| 3 | 2402 | 5.77 | 2176 | 20.34 | +http://www.baidu.com/search/spider.html |
| 4 | 1884 | 4.52 | 969 | 9.06 | +http://www.bing.com/bingbot.htm |
| 5 | 1804 | 4.33 | 146 | 1.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 1714 | 4.11 | 126 | 1.18 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1320 | 3.17 | 832 | 7.78 | +http://www.google.com/bot.html |
| 8 | 1252 | 3.01 | 147 | 1.37 | +http://yandex.com/bots |
| 9 | 1234 | 2.96 | 300 | 2.80 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 809 | 1.94 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 11 | 304 | 0.73 | 261 | 2.44 | +http://www.easou.com/search/spider.html |
| 12 | 246 | 0.59 | 5 | 0.05 | +http://www.xovibot.net/ |
| 13 | 210 | 0.50 | 66 | 0.62 | +http://www.linkdex.com/bots/ |
| 14 | 53 | 0.13 | 21 | 0.20 | +http://www.exabot.com/go/robot |
| 15 | 52 | 0.12 | 17 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 47 | 0.11 | 2 | 0.02 | J2ME/MIDP |
| 17 | 44 | 0.11 | 26 | 0.24 | X11 |
| 18 | 43 | 0.10 | 15 | 0.14 | Windows 3.1 |
| 19 | 38 | 0.09 | 18 | 0.17 | Windows 95 |
| 20 | 33 | 0.08 | 5 | 0.05 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 21 | 30 | 0.07 | 10 | 0.09 | Android |
| 22 | 28 | 0.07 | 0 | 0.00 | Windows 9. |
| 23 | 28 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 24 | 23 | 0.06 | 10 | 0.09 | Windows 98 |
| 25 | 22 | 0.05 | 7 | 0.07 | +http://fulltext.sblog.cz/ |
| 26 | 16 | 0.04 | 3 | 0.03 | +https://www.mojeek.com/bot.html |
| 27 | 15 | 0.04 | 8 | 0.07 | Android 2.3.5 |
| 28 | 13 | 0.03 | 7 | 0.07 | Windows CE |
| 29 | 13 | 0.03 | 6 | 0.06 | +http://help.coccoc.com/ |
| 30 | 12 | 0.03 | 4 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 31 | 10 | 0.02 | 4 | 0.04 | Auto; Windows |
| 32 | 10 | 0.02 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 33 | 10 | 0.02 | 4 | 0.04 | Windows ME |
| 34 | 9 | 0.02 | 1 | 0.01 | Windows XP |
| 35 | 8 | 0.02 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 36 | 8 | 0.02 | 1 | 0.01 | +http://www.apercite.fr/robot/index.html |
| 37 | 7 | 0.02 | 3 | 0.03 | Windows 2000 |
| 38 | 7 | 0.02 | 3 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 39 | 6 | 0.01 | 1 | 0.01 | Macintosh PPC |
| 40 | 6 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 6 | 0.01 | 5 | 0.05 | Linux i686 [unknown version] |
| 42 | 5 | 0.01 | 1 | 0.01 | BREW |
| 43 | 5 | 0.01 | 1 | 0.01 | +http://tweetmeme.com/ |
| 44 | 5 | 0.01 | 2 | 0.02 | Windows Phone OS 7.5 |
| 45 | 5 | 0.01 | 1 | 0.01 | +http://tryload.in |
| 46 | 4 | 0.01 | 2 | 0.02 | info@muso.com; +http://www.muso.com |
| 47 | 4 | 0.01 | 1 | 0.01 | +http://uni5download.com |
| 48 | 4 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 49 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 50 | 4 | 0.01 | 1 | 0.01 | +http://mydownloadengine.com |
| 51 | 3 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 52 | 3 | 0.01 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 53 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 54 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 55 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 56 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 57 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 58 | 2 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 59 | 2 | 0.00 | 1 | 0.01 | +http://www.seodiver.com/bot |
| 60 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 61 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 62 | 2 | 0.00 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 63 | 2 | 0.00 | 1 | 0.01 | +http://www.idmarch.org/bot.html |
| 64 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 65 | 2 | 0.00 | 0 | 0.00 | MTK |
| 66 | 1 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 67 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; Maxthon; SpamBl... |
| 68 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 69 | 1 | 0.00 | 1 | 0.01 | Windows 93 |
| 70 | 1 | 0.00 | 1 | 0.01 | +http://www.dredger.biz/ |
| 71 | 1 | 0.00 | 1 | 0.01 | Windows 92 |
| 72 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; Crazy Browser 6... |
| 73 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 74 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 75 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 76 | 1 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 77 | 1 | 0.00 | 0 | 0.00 | Windows 99 |
| 78 | 1 | 0.00 | 0 | 0.00 | S60 |
| 79 | 1 | 0.00 | 1 | 0.01 | MirrorDetector |
| 80 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |