| Used Operating Systems |
| 1 | 20979 | 40.74 | 142 | 3.26 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11648 | 22.62 | 1315 | 30.23 | Windows NT |
| 3 | 9081 | 17.64 | 610 | 14.02 | +http://ahrefs.com/robot/ |
| 4 | 2004 | 3.89 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 5 | 1991 | 3.87 | 1643 | 37.77 | +http://www.baidu.com/search/spider.html |
| 6 | 1911 | 3.71 | 53 | 1.22 | +http://yandex.com/bots |
| 7 | 874 | 1.70 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 8 | 802 | 1.56 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 9 | 528 | 1.03 | 122 | 2.80 | +http://www.linkdex.com/bots/ |
| 10 | 495 | 0.96 | 210 | 4.83 | +http://www.google.com/bot.html |
| 11 | 470 | 0.91 | 91 | 2.09 | +http://www.bing.com/bingbot.htm |
| 12 | 145 | 0.28 | 19 | 0.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 112 | 0.22 | 0 | 0.00 | Linux 2.4.x |
| 14 | 84 | 0.16 | 0 | 0.00 | Macintosh |
| 15 | 56 | 0.11 | 41 | 0.94 | +http://www.easou.com/search/spider.html |
| 16 | 50 | 0.10 | 10 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 17 | 33 | 0.06 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 18 | 32 | 0.06 | 11 | 0.25 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 22 | 0.04 | 6 | 0.14 | Linux i686 [unknown version] |
| 20 | 22 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 21 | 16 | 0.03 | 8 | 0.18 | http://crawler.sistrix.net/ |
| 22 | 14 | 0.03 | 7 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 13 | 0.03 | 11 | 0.25 | Windows 95 |
| 24 | 13 | 0.03 | 7 | 0.16 | X11 |
| 25 | 12 | 0.02 | 0 | 0.00 | Solaris 2.4.x |
| 26 | 8 | 0.02 | 2 | 0.05 | +http://trumpetsheetmusic.org |
| 27 | 8 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 28 | 8 | 0.02 | 3 | 0.07 | Android 2.3.5 |
| 29 | 8 | 0.02 | 2 | 0.05 | +http://r4downloads.co |
| 30 | 7 | 0.01 | 7 | 0.16 | Windows ME |
| 31 | 6 | 0.01 | 2 | 0.05 | +http://overx50.com |
| 32 | 6 | 0.01 | 2 | 0.05 | +http://isdownload.biz |
| 33 | 6 | 0.01 | 5 | 0.11 | Windows 98 |
| 34 | 6 | 0.01 | 3 | 0.07 | +http://duckduckgo.com |
| 35 | 5 | 0.01 | 4 | 0.09 | Windows XP |
| 36 | 4 | 0.01 | 1 | 0.02 | +http://getdownload.ws |
| 37 | 4 | 0.01 | 1 | 0.02 | +http://t2downloads.xyz |
| 38 | 2 | 0.00 | 2 | 0.05 | Windows 3.1 |
| 39 | 2 | 0.00 | 2 | 0.05 | +http://gimme60.com |
| 40 | 2 | 0.00 | 2 | 0.05 | +info@netcraft.com |
