| Used Operating Systems |
| 1 | 14121 | 64.19 | 2860 | 60.93 | Windows NT |
| 2 | 4513 | 20.51 | 73 | 1.56 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1458 | 6.63 | 1318 | 28.08 | +http://www.baidu.com/search/spider.html |
| 4 | 578 | 2.63 | 222 | 4.73 | +http://www.bing.com/bingbot.htm |
| 5 | 368 | 1.67 | 14 | 0.30 | Windows 98 |
| 6 | 207 | 0.94 | 59 | 1.26 | +http://www.google.com/bot.html |
| 7 | 206 | 0.94 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 8 | 149 | 0.68 | 18 | 0.38 | +http://yandex.com/bots |
| 9 | 95 | 0.43 | 31 | 0.66 | +http://www.linkdex.com/bots/ |
| 10 | 87 | 0.40 | 1 | 0.02 | X11 |
| 11 | 40 | 0.18 | 20 | 0.43 | Linux i686 [unknown version] |
| 12 | 38 | 0.17 | 1 | 0.02 | Android 2.3.5 |
| 13 | 28 | 0.13 | 14 | 0.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 13 | 0.06 | 10 | 0.21 | Linux [unknown version] |
| 15 | 12 | 0.05 | 3 | 0.06 | +http://www.linkdex.com/about/bots/ |
| 16 | 8 | 0.04 | 3 | 0.06 | Intel Mac OS X 10.5 |
| 17 | 8 | 0.04 | 5 | 0.11 | Intel Mac OS X 10.6 |
| 18 | 7 | 0.03 | 6 | 0.13 | Windows 95 |
| 19 | 6 | 0.03 | 5 | 0.11 | FreeBSD [unknown version] |
| 20 | 5 | 0.02 | 1 | 0.02 | +http://u12files.com/ |
| 21 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 22 | 4 | 0.02 | 4 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 23 | 3 | 0.01 | 2 | 0.04 | +http://about.depspid.net |
| 24 | 3 | 0.01 | 2 | 0.04 | Windows XP |
| 25 | 2 | 0.01 | 1 | 0.02 | netbox; Linux 2.2 |
| 26 | 2 | 0.01 | 2 | 0.04 | Windows 2000 |
| 27 | 2 | 0.01 | 2 | 0.04 | Windows 3.1 |
| 28 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 29 | 2 | 0.01 | 0 | 0.00 | http://nlp.fi.muni.cz/projects/biwec/ |
| 30 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 2 | 0.01 | 2 | 0.04 | +http://ego.ms.mff.cuni.cz/ |
| 32 | 1 | 0.00 | 0 | 0.00 | http://www.searchme.com/support/ |
| 33 | 1 | 0.00 | 1 | 0.02 | http://www.yoono.com/ |
| 34 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 35 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X |
| 36 | 1 | 0.00 | 0 | 0.00 | +http://www.openindex.io/en/webmasters/s... |
| 37 | 1 | 0.00 | 1 | 0.02 | +https://kocour.ms.mff.cuni.cz/ego/ |
| 38 | 1 | 0.00 | 1 | 0.02 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 39 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 40 | 1 | 0.00 | 1 | 0.02 | RISC OS 4.02 |
| 41 | 1 | 0.00 | 0 | 0.00 | +http://www.web.nl/webmasters/spider.htm... |
| 42 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 43 | 1 | 0.00 | 1 | 0.02 | +http://www.cloudservermarket.com/spider... |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://www.infohelfer.de/crawler.php |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://www.aport.ru/help |
| 46 | 1 | 0.00 | 0 | 0.00 | +http://user-agent-string.info/UASlinkCh... |
| 47 | 1 | 0.00 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://www.ellerdale.com/crawler.html |
| 49 | 1 | 0.00 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 50 | 1 | 0.00 | 0 | 0.00 | NetBSD [unknown version] |
| 51 | 1 | 0.00 | 1 | 0.02 | Haiku BePC |
| 52 | 1 | 0.00 | 0 | 0.00 | +http://about.ask.com/en/docs/about/webm... |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://bixolabs.com/crawler/general; cr... |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://www.alexa.com/help/webmasters; s... |
| 55 | 1 | 0.00 | 1 | 0.02 | Windows ME |
