| Used Operating Systems |
| 1 | 10830 | 56.18 | 5026 | 71.03 | Windows NT |
| 2 | 4467 | 23.17 | 91 | 1.29 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1410 | 7.31 | 1320 | 18.65 | +http://www.baidu.com/search/spider.html |
| 4 | 582 | 3.02 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 5 | 355 | 1.84 | 185 | 2.61 | +http://www.bing.com/bingbot.htm |
| 6 | 327 | 1.70 | 54 | 0.76 | +http://yandex.com/bots |
| 7 | 322 | 1.67 | 101 | 1.43 | +http://www.linkdex.com/bots/ |
| 8 | 313 | 1.62 | 24 | 0.34 | Windows 98 |
| 9 | 153 | 0.79 | 43 | 0.61 | +http://www.google.com/bot.html |
| 10 | 100 | 0.52 | 31 | 0.44 | +http://www.linkdex.com/about/bots/ |
| 11 | 48 | 0.25 | 21 | 0.30 | X11 |
| 12 | 47 | 0.24 | 17 | 0.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 47 | 0.24 | 18 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 35 | 0.18 | 15 | 0.21 | +http://www.exabot.com/go/robot |
| 15 | 29 | 0.15 | 11 | 0.16 | help@moz.com |
| 16 | 27 | 0.14 | 14 | 0.20 | Linux i686 [unknown version] |
| 17 | 24 | 0.12 | 8 | 0.11 | Android 2.3.5 |
| 18 | 19 | 0.10 | 19 | 0.27 | Windows 95 |
| 19 | 16 | 0.08 | 5 | 0.07 | Linux [unknown version] |
| 20 | 15 | 0.08 | 11 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 21 | 10 | 0.05 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 10 | 0.05 | 9 | 0.13 | Windows XP |
| 23 | 8 | 0.04 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 24 | 6 | 0.03 | 4 | 0.06 | Auto; Windows |
| 25 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 6 | 0.03 | 2 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 27 | 5 | 0.03 | 5 | 0.07 | Windows CE |
| 28 | 5 | 0.03 | 5 | 0.07 | Windows ME |
| 29 | 5 | 0.03 | 3 | 0.04 | Windows 3.1 |
| 30 | 4 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 31 | 3 | 0.02 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 32 | 3 | 0.02 | 3 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 33 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 34 | 2 | 0.01 | 2 | 0.03 | +http://www.openindex.io/en/webmasters/s... |
| 35 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 36 | 2 | 0.01 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 39 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 41 | 2 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 42 | 1 | 0.01 | 0 | 0.00 | netbox; Linux 2.2 |
| 43 | 1 | 0.01 | 1 | 0.01 | http://www.entireweb.com/about/search_te... |
| 44 | 1 | 0.01 | 1 | 0.01 | http://www.lipperhey.com/ |
| 45 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 46 | 1 | 0.01 | 1 | 0.01 | +http://www.ellerdale.com/crawler.html |
| 47 | 1 | 0.01 | 0 | 0.00 | BeOS |
| 48 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 49 | 1 | 0.01 | 1 | 0.01 | +http://www.infohelfer.de/crawler.php |
| 50 | 1 | 0.01 | 0 | 0.00 | +http://sp.ask.com/docs/about/tech_crawl... |
| 51 | 1 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 52 | 1 | 0.01 | 1 | 0.01 | +http://www.cloudservermarket.com/spider... |
| 53 | 1 | 0.01 | 0 | 0.00 | +http://www.aport.ru/help |
| 54 | 1 | 0.01 | 1 | 0.01 | +http://www.dotsemantic.org |
| 55 | 1 | 0.01 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 56 | 1 | 0.01 | 0 | 0.00 | +http://about.ask.com/en/docs/about/webm... |
| 57 | 1 | 0.01 | 0 | 0.00 | +http://ego.ms.mff.cuni.cz/ |
| 58 | 1 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.7 |
| 59 | 1 | 0.01 | 1 | 0.01 | +http://begun.ru/begun/technology/indexe... |
| 60 | 1 | 0.01 | 1 | 0.01 | +http://monoid.nic.ru/ |
| 61 | 1 | 0.01 | 1 | 0.01 | +http://www.alexa.com/help/webmasters; s... |
| 62 | 1 | 0.01 | 0 | 0.00 | Windows Phone OS 7.5 |
