| Used Operating Systems |
| 1 | 10835 | 35.16 | 4995 | 45.94 | Windows NT |
| 2 | 6545 | 21.24 | 219 | 2.01 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3976 | 12.90 | 3230 | 29.70 | +http://www.baidu.com/search/spider.html |
| 4 | 3197 | 10.37 | 1183 | 10.88 | +http://www.easou.com/search/spider.html |
| 5 | 1996 | 6.48 | 262 | 2.41 | +http://yandex.com/bots |
| 6 | 1369 | 4.44 | 301 | 2.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1011 | 3.28 | 56 | 0.51 | Windows 98 |
| 8 | 540 | 1.75 | 236 | 2.17 | +http://www.bing.com/bingbot.htm |
| 9 | 415 | 1.35 | 99 | 0.91 | +http://www.google.com/bot.html |
| 10 | 401 | 1.30 | 122 | 1.12 | +http://www.linkdex.com/bots/ |
| 11 | 174 | 0.56 | 3 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 48 | 0.16 | 16 | 0.15 | X11 |
| 13 | 27 | 0.09 | 7 | 0.06 | Linux [unknown version] |
| 14 | 26 | 0.08 | 13 | 0.12 | +http://www.career-x.de/bot.html |
| 15 | 26 | 0.08 | 10 | 0.09 | +http://fulltext.sblog.cz/ |
| 16 | 25 | 0.08 | 20 | 0.18 | Linux i686 [unknown version] |
| 17 | 17 | 0.06 | 6 | 0.06 | +http://www.exabot.com/go/robot |
| 18 | 16 | 0.05 | 13 | 0.12 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 19 | 14 | 0.05 | 2 | 0.02 | Android 2.3.5 |
| 20 | 12 | 0.04 | 5 | 0.05 | Windows XP |
| 21 | 10 | 0.03 | 5 | 0.05 | J2ME/MIDP |
| 22 | 10 | 0.03 | 5 | 0.05 | Android |
| 23 | 10 | 0.03 | 2 | 0.02 | +http://p4load.com/ |
| 24 | 10 | 0.03 | 3 | 0.03 | +http://ahrefs.com/robot/ |
| 25 | 8 | 0.03 | 2 | 0.02 | http://www.lipperhey.com/ |
| 26 | 8 | 0.03 | 4 | 0.04 | +http://help.coccoc.com/ |
| 27 | 8 | 0.03 | 6 | 0.06 | Windows 95 |
| 28 | 7 | 0.02 | 5 | 0.05 | Windows 3.1 |
| 29 | 5 | 0.02 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 30 | 5 | 0.02 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 31 | 5 | 0.02 | 2 | 0.02 | +http://gimme60.com |
| 32 | 4 | 0.01 | 3 | 0.03 | Windows CE |
| 33 | 4 | 0.01 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 34 | 4 | 0.01 | 3 | 0.03 | Windows ME |
| 35 | 4 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 38 | 3 | 0.01 | 1 | 0.01 | Android 4.1.1 |
| 39 | 3 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.01 | 1 | 0.01 | Series 60 |
| 41 | 2 | 0.01 | 1 | 0.01 | BlackBerry |
| 42 | 2 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 43 | 2 | 0.01 | 2 | 0.02 | +http://136.186.231.16 |
| 44 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.01 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 46 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 47 | 2 | 0.01 | 1 | 0.01 | Android 4.1.2 |
| 48 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 49 | 2 | 0.01 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 50 | 2 | 0.01 | 1 | 0.01 | +http://zemlyaozer.com/bot |
| 51 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 52 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 54 | 1 | 0.00 | 1 | 0.01 | +http://user-agent-string.info/UASlinkCh... |
| 55 | 1 | 0.00 | 1 | 0.01 | TVMate; Linux 2.2 |
| 56 | 1 | 0.00 | 1 | 0.01 | +http://www.linkpad.ru |
| 57 | 1 | 0.00 | 1 | 0.01 | +http://begun.ru/begun/technology/indexe... |
| 58 | 1 | 0.00 | 1 | 0.01 | http://www.sitecondor.com |
| 59 | 1 | 0.00 | 1 | 0.01 | http://nlp.fi.muni.cz/projects/biwec/ |
| 60 | 1 | 0.00 | 1 | 0.01 | Windows 9x |
| 61 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
