| Used Operating Systems |
| 1 | 11341 | 40.93 | 8738 | 63.30 | +http://www.baidu.com/search/spider.html |
| 2 | 5507 | 19.88 | 1845 | 13.36 | Windows NT |
| 3 | 2216 | 8.00 | 818 | 5.93 | +http://www.bing.com/bingbot.htm |
| 4 | 1320 | 4.76 | 383 | 2.77 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1054 | 3.80 | 339 | 2.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 1017 | 3.67 | 483 | 3.50 | +http://www.google.com/bot.html |
| 7 | 758 | 2.74 | 110 | 0.80 | help@moz.com |
| 8 | 714 | 2.58 | 373 | 2.70 | +http://www.easou.com/search/spider.html |
| 9 | 562 | 2.03 | 201 | 1.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 528 | 1.91 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 11 | 521 | 1.88 | 139 | 1.01 | +http://yandex.com/bots |
| 12 | 500 | 1.80 | 98 | 0.71 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 410 | 1.48 | 6 | 0.04 | +http://webmeup-crawler.com/ |
| 14 | 326 | 1.18 | 29 | 0.21 | +http://fulltext.sblog.cz/ |
| 15 | 167 | 0.60 | 71 | 0.51 | +http://www.exabot.com/go/robot |
| 16 | 108 | 0.39 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 17 | 73 | 0.26 | 17 | 0.12 | +http://www.yunyun.com/spider.html |
| 18 | 64 | 0.23 | 28 | 0.20 | +http://www.career-x.de/bot.html |
| 19 | 45 | 0.16 | 3 | 0.02 | http://www.lipperhey.com/ |
| 20 | 45 | 0.16 | 13 | 0.09 | Windows 98 |
| 21 | 40 | 0.14 | 4 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 22 | 40 | 0.14 | 2 | 0.01 | Windows Phone OS 7.5 |
| 23 | 40 | 0.14 | 2 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 24 | 26 | 0.09 | 2 | 0.01 | PPC Mac OS X 10.4 |
| 25 | 24 | 0.09 | 10 | 0.07 | +http://help.coccoc.com/ |
| 26 | 22 | 0.08 | 2 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 27 | 18 | 0.06 | 5 | 0.04 | Windows XP |
| 28 | 16 | 0.06 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 29 | 15 | 0.05 | 5 | 0.04 | Windows 95 |
| 30 | 14 | 0.05 | 5 | 0.04 | +http://ahrefs.com/robot/ |
| 31 | 12 | 0.04 | 0 | 0.00 | Windows 9. |
| 32 | 12 | 0.04 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 33 | 12 | 0.04 | 4 | 0.03 | +http://www.linkdex.com/about/bots/ |
| 34 | 10 | 0.04 | 9 | 0.07 | Linux i686 [unknown version] |
| 35 | 10 | 0.04 | 10 | 0.07 | +http://www.loadtime.net/bot.html |
| 36 | 9 | 0.03 | 3 | 0.02 | Windows 3.1 |
| 37 | 8 | 0.03 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 38 | 8 | 0.03 | 4 | 0.03 | http://crawler.sistrix.net/ |
| 39 | 8 | 0.03 | 2 | 0.01 | +http://spider.socialbm.net |
| 40 | 8 | 0.03 | 4 | 0.03 | +http://botw.org |
| 41 | 6 | 0.02 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 42 | 6 | 0.02 | 2 | 0.01 | Windows ME |
| 43 | 6 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 44 | 6 | 0.02 | 1 | 0.01 | Trident/6.0; Windows NT 5.2; Zune 2.9.52... |
| 45 | 6 | 0.02 | 3 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 46 | 5 | 0.02 | 0 | 0.00 | Macintosh |
| 47 | 4 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 48 | 4 | 0.01 | 2 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 49 | 4 | 0.01 | 2 | 0.01 | +http://SiteExplorer.Info/ |
| 50 | 3 | 0.01 | 1 | 0.01 | J2ME/MIDP |
| 51 | 3 | 0.01 | 1 | 0.01 | Auto; Windows |
| 52 | 3 | 0.01 | 3 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 53 | 3 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 54 | 3 | 0.01 | 2 | 0.01 | http://www.google.com/bot.html |
| 55 | 2 | 0.01 | 0 | 0.00 | Series 60 |
| 56 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 57 | 2 | 0.01 | 2 | 0.01 | Linux [unknown version] |
| 58 | 2 | 0.01 | 2 | 0.01 | +http://www.linkdex.com/bots/ |
| 59 | 2 | 0.01 | 2 | 0.01 | WinHttp.WinHttpRequest.5 |
| 60 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 61 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 62 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 63 | 1 | 0.00 | 0 | 0.00 | Android |
| 64 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 65 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 66 | 1 | 0.00 | 1 | 0.01 | X11 |
