| Used Operating Systems |
| 1 | 9160 | 46.69 | 91 | 2.17 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5055 | 25.76 | 1987 | 47.46 | Windows NT |
| 3 | 1468 | 7.48 | 1388 | 33.15 | +http://www.baidu.com/search/spider.html |
| 4 | 1238 | 6.31 | 222 | 5.30 | +http://www.google.com/bot.html |
| 5 | 959 | 4.89 | 19 | 0.45 | Windows 98 |
| 6 | 773 | 3.94 | 219 | 5.23 | +http://www.bing.com/bingbot.htm |
| 7 | 282 | 1.44 | 54 | 1.29 | +http://yandex.com/bots |
| 8 | 70 | 0.36 | 23 | 0.55 | +http://www.easou.com/search/spider.html |
| 9 | 69 | 0.35 | 29 | 0.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 65 | 0.33 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 11 | 50 | 0.25 | 11 | 0.26 | Windows 95 |
| 12 | 48 | 0.24 | 17 | 0.41 | +http://www.linkdex.com/bots/ |
| 13 | 45 | 0.23 | 14 | 0.33 | +http://www.linkdex.com/about/bots/ |
| 14 | 36 | 0.18 | 1 | 0.02 | FreeBSD [unknown version] |
| 15 | 32 | 0.16 | 1 | 0.02 | http://www.lipperhey.com/ |
| 16 | 29 | 0.15 | 14 | 0.33 | help@moz.com |
| 17 | 23 | 0.12 | 19 | 0.45 | X11 |
| 18 | 19 | 0.10 | 8 | 0.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 19 | 0.10 | 12 | 0.29 | Linux i686 [unknown version] |
| 20 | 16 | 0.08 | 8 | 0.19 | +http://www.exabot.com/go/robot |
| 21 | 13 | 0.07 | 6 | 0.14 | http://crawler.sistrix.net/ |
| 22 | 13 | 0.07 | 8 | 0.19 | Linux [unknown version] |
| 23 | 13 | 0.07 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 24 | 11 | 0.06 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 25 | 10 | 0.05 | 1 | 0.02 | Windows CE |
| 26 | 9 | 0.05 | 0 | 0.00 | Windows ME |
| 27 | 9 | 0.05 | 7 | 0.17 | Android 2.3.5 |
| 28 | 6 | 0.03 | 0 | 0.00 | Auto; Windows |
| 29 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 6 | 0.03 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 31 | 6 | 0.03 | 2 | 0.05 | Windows XP |
| 32 | 5 | 0.03 | 3 | 0.07 | +http://ahrefs.com/robot/ |
| 33 | 5 | 0.03 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 34 | 5 | 0.03 | 1 | 0.02 | +http://u12files.com/ |
| 35 | 4 | 0.02 | 1 | 0.02 | Windows 2000 |
| 36 | 4 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 37 | 4 | 0.02 | 1 | 0.02 | Windows 3.1 |
| 38 | 4 | 0.02 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 39 | 3 | 0.02 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 40 | 3 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.02 | netbox; Linux 2.2 |
| 42 | 2 | 0.01 | 0 | 0.00 | +http://www.dotsemantic.org |
| 43 | 2 | 0.01 | 0 | 0.00 | +http://bixolabs.com/crawler/ptd/; crawl... |
| 44 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 45 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 46 | 1 | 0.01 | 1 | 0.02 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 47 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 48 | 1 | 0.01 | 1 | 0.02 | BeOS |
| 49 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 50 | 1 | 0.01 | 1 | 0.02 | Windows |
| 51 | 1 | 0.01 | 0 | 0.00 | +http://www.openindex.io/en/webmasters/s... |
| 52 | 1 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/ |
| 53 | 1 | 0.01 | 1 | 0.02 | +http://about.depspid.net |
| 54 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 55 | 1 | 0.01 | 0 | 0.00 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 56 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 57 | 1 | 0.01 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 58 | 1 | 0.01 | 1 | 0.02 | +http://about.ask.com/en/docs/about/webm... |
| 59 | 1 | 0.01 | 1 | 0.02 | +http://monoid.nic.ru/ |
| 60 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
