| Used Operating Systems |
| 1 | 10706 | 54.22 | 2960 | 58.88 | Windows NT |
| 2 | 2952 | 14.95 | 113 | 2.25 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1991 | 10.08 | 1384 | 27.53 | +http://www.baidu.com/search/spider.html |
| 4 | 637 | 3.23 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 5 | 598 | 3.03 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 6 | 555 | 2.81 | 81 | 1.61 | +http://yandex.com/bots |
| 7 | 498 | 2.52 | 112 | 2.23 | +http://www.google.com/bot.html |
| 8 | 431 | 2.18 | 121 | 2.41 | +http://www.bing.com/bingbot.htm |
| 9 | 353 | 1.79 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 10 | 172 | 0.87 | 27 | 0.54 | help@moz.com |
| 11 | 161 | 0.82 | 7 | 0.14 | Windows 98 |
| 12 | 124 | 0.63 | 29 | 0.58 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 103 | 0.52 | 37 | 0.74 | +http://www.linkdex.com/about/bots/ |
| 14 | 101 | 0.51 | 28 | 0.56 | +http://www.easou.com/search/spider.html |
| 15 | 86 | 0.44 | 35 | 0.70 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 78 | 0.40 | 28 | 0.56 | +http://www.exabot.com/go/robot |
| 17 | 55 | 0.28 | 10 | 0.20 | X11 |
| 18 | 38 | 0.19 | 9 | 0.18 | Android 2.3.5 |
| 19 | 24 | 0.12 | 1 | 0.02 | SpreadTrum |
| 20 | 14 | 0.07 | 7 | 0.14 | +http://www.career-x.de/bot.html |
| 21 | 13 | 0.07 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 22 | 7 | 0.04 | 7 | 0.14 | Windows 95 |
| 23 | 6 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 4 | 0.02 | 4 | 0.08 | Linux [unknown version] |
| 25 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 26 | 4 | 0.02 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 27 | 3 | 0.02 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 28 | 3 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 29 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 30 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 31 | 2 | 0.01 | 2 | 0.04 | Windows ME |
| 32 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 33 | 2 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 34 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.01 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 36 | 2 | 0.01 | 2 | 0.04 | http://www.youdao.com/help/webmaster/spi... |
| 37 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 40 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 41 | 1 | 0.01 | 1 | 0.02 | +http://www.linkpad.ru |
| 42 | 1 | 0.01 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 43 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.6 |
