| Used Operating Systems |
| 1 | 12475 | 35.45 | 211 | 2.24 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6703 | 19.05 | 3610 | 38.37 | +http://ahrefs.com/robot/ |
| 3 | 5658 | 16.08 | 6 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 4 | 2797 | 7.95 | 2482 | 26.38 | +http://www.baidu.com/search/spider.html |
| 5 | 2559 | 7.27 | 1984 | 21.09 | Windows NT |
| 6 | 1633 | 4.64 | 291 | 3.09 | +http://yandex.com/bots |
| 7 | 900 | 2.56 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 8 | 787 | 2.24 | 273 | 2.90 | +http://www.google.com/bot.html |
| 9 | 533 | 1.51 | 278 | 2.95 | +http://www.bing.com/bingbot.htm |
| 10 | 517 | 1.47 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 11 | 304 | 0.86 | 105 | 1.12 | +http://www.linkdex.com/bots/ |
| 12 | 151 | 0.43 | 68 | 0.72 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 36 | 0.10 | 30 | 0.32 | X11 |
| 14 | 32 | 0.09 | 16 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 15 | 0.04 | 7 | 0.07 | Windows 95 |
| 16 | 13 | 0.04 | 11 | 0.12 | Android 2.3.5 |
| 17 | 13 | 0.04 | 7 | 0.07 | +http://www.exabot.com/go/robot |
| 18 | 10 | 0.03 | 2 | 0.02 | +http://tryload.in |
| 19 | 8 | 0.02 | 0 | 0.00 | Windows 98 |
| 20 | 6 | 0.02 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 21 | 6 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 5 | 0.01 | 2 | 0.02 | Windows ME |
| 23 | 4 | 0.01 | 2 | 0.02 | Auto; Windows |
| 24 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 25 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 26 | 3 | 0.01 | 3 | 0.03 | Intel Mac OS X 10.4 |
| 27 | 3 | 0.01 | 1 | 0.01 | +http://downloaflare.biz |
| 28 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 29 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 30 | 2 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 31 | 2 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 32 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 34 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 35 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 36 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 37 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
