| Used Operating Systems |
| 1 | 12351 | 40.78 | 3589 | 54.05 | Windows NT |
| 2 | 5012 | 16.55 | 4 | 0.06 | +http://webmeup-crawler.com/ |
| 3 | 2028 | 6.70 | 3 | 0.05 | +http://www.seoprofiler.com/bot |
| 4 | 1987 | 6.56 | 94 | 1.42 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1903 | 6.28 | 1782 | 26.84 | +http://www.baidu.com/search/spider.html |
| 6 | 1891 | 6.24 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 7 | 1317 | 4.35 | 107 | 1.61 | +http://yandex.com/bots |
| 8 | 1282 | 4.23 | 392 | 5.90 | +http://www.google.com/bot.html |
| 9 | 976 | 3.22 | 14 | 0.21 | Windows 98 |
| 10 | 475 | 1.57 | 230 | 3.46 | +http://www.bing.com/bingbot.htm |
| 11 | 398 | 1.31 | 106 | 1.60 | +http://www.linkdex.com/about/bots/ |
| 12 | 314 | 1.04 | 170 | 2.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 95 | 0.31 | 52 | 0.78 | +http://www.exabot.com/go/robot |
| 14 | 93 | 0.31 | 21 | 0.32 | X11 |
| 15 | 46 | 0.15 | 8 | 0.12 | Android 2.3.5 |
| 16 | 28 | 0.09 | 13 | 0.20 | help@moz.com |
| 17 | 17 | 0.06 | 15 | 0.23 | Windows 95 |
| 18 | 14 | 0.05 | 11 | 0.17 | MSIE 5.5; Windows 95 |
| 19 | 12 | 0.04 | 1 | 0.02 | +http://www.linkpad.ru |
| 20 | 8 | 0.03 | 1 | 0.02 | Android |
| 21 | 8 | 0.03 | 4 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 4 | 0.01 | 0 | 0.00 | Win32 |
| 23 | 3 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 24 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 25 | 3 | 0.01 | 3 | 0.05 | Windows 3.1 |
| 26 | 3 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 27 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 28 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 29 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 30 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 32 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 33 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 1 | 0.00 | 1 | 0.02 | Windows ME |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.easou.com/search/spider.html |
| 36 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 37 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
