| Used Operating Systems |
| 1 | 31371 | 57.81 | 372 | 3.81 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9681 | 17.84 | 4518 | 46.27 | Windows NT |
| 3 | 4605 | 8.49 | 1678 | 17.19 | +http://www.google.com/bot.html |
| 4 | 2537 | 4.68 | 2323 | 23.79 | +http://www.baidu.com/search/spider.html |
| 5 | 2000 | 3.69 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 764 | 1.41 | 415 | 4.25 | +http://www.bing.com/bingbot.htm |
| 7 | 742 | 1.37 | 163 | 1.67 | +http://yandex.com/bots |
| 8 | 531 | 0.98 | 136 | 1.39 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 517 | 0.95 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 10 | 431 | 0.79 | 33 | 0.34 | +http://www.exabot.com/go/robot |
| 11 | 333 | 0.61 | 1 | 0.01 | +http://www.linkpad.ru |
| 12 | 331 | 0.61 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 13 | 111 | 0.20 | 5 | 0.05 | +http://siteexplorer.info/ |
| 14 | 78 | 0.14 | 31 | 0.32 | +http://www.linkdex.com/bots/ |
| 15 | 41 | 0.08 | 20 | 0.20 | Windows 98 |
| 16 | 32 | 0.06 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 31 | 0.06 | 12 | 0.12 | X11 |
| 18 | 30 | 0.06 | 3 | 0.03 | +http://ahrefs.com/robot/ |
| 19 | 24 | 0.04 | 12 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 17 | 0.03 | 7 | 0.07 | Android 2.3.5 |
| 21 | 14 | 0.03 | 8 | 0.08 | Windows 95 |
| 22 | 7 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 23 | 5 | 0.01 | 2 | 0.02 | Windows 2000 |
| 24 | 4 | 0.01 | 0 | 0.00 | Windows XP |
| 25 | 4 | 0.01 | 4 | 0.04 | Windows 3.1 |
| 26 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 27 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 28 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 29 | 2 | 0.00 | 0 | 0.00 | +http://help.coccoc.com/ |
| 30 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 31 | 2 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
| 32 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 34 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 35 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 36 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 37 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 38 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; MyIE2; MS-RTC L... |
| 39 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 40 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
