| Used Operating Systems |
| 1 | 13801 | 29.11 | 7638 | 50.54 | +http://www.baidu.com/search/spider.html |
| 2 | 13330 | 28.12 | 298 | 1.97 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 7547 | 15.92 | 3222 | 21.32 | Windows NT |
| 4 | 3712 | 7.83 | 844 | 5.58 | +http://www.bing.com/bingbot.htm |
| 5 | 2607 | 5.50 | 884 | 5.85 | +http://www.google.com/bot.html |
| 6 | 2036 | 4.29 | 1053 | 6.97 | +http://www.easou.com/search/spider.html |
| 7 | 964 | 2.03 | 91 | 0.60 | +http://yandex.com/bots |
| 8 | 918 | 1.94 | 205 | 1.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 512 | 1.08 | 178 | 1.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 457 | 0.96 | 348 | 2.30 | +http://ahrefs.com/robot/ |
| 11 | 411 | 0.87 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 241 | 0.51 | 79 | 0.52 | +http://www.linkdex.com/bots/ |
| 13 | 214 | 0.45 | 124 | 0.82 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 204 | 0.43 | 12 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 15 | 50 | 0.11 | 19 | 0.13 | Windows 98 |
| 16 | 48 | 0.10 | 3 | 0.02 | Linux i686 [unknown version] |
| 17 | 46 | 0.10 | 0 | 0.00 | Solaris 2.4.x |
| 18 | 45 | 0.09 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 19 | 44 | 0.09 | 23 | 0.15 | Windows 95 |
| 20 | 39 | 0.08 | 18 | 0.12 | +http://www.exabot.com/go/robot |
| 21 | 16 | 0.03 | 8 | 0.05 | Windows 2000 |
| 22 | 16 | 0.03 | 1 | 0.01 | crawler@unister.de |
| 23 | 16 | 0.03 | 2 | 0.01 | Windows XP |
| 24 | 15 | 0.03 | 6 | 0.04 | Android |
| 25 | 15 | 0.03 | 9 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 26 | 15 | 0.03 | 5 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 27 | 10 | 0.02 | 2 | 0.01 | +http://tryload.in |
| 28 | 9 | 0.02 | 5 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 29 | 8 | 0.02 | 7 | 0.05 | +http://www.xovibot.net/ |
| 30 | 7 | 0.01 | 4 | 0.03 | Windows CE |
| 31 | 7 | 0.01 | 3 | 0.02 | Windows ME |
| 32 | 6 | 0.01 | 2 | 0.01 | Auto; Windows |
| 33 | 6 | 0.01 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 34 | 6 | 0.01 | 2 | 0.01 | +http://downloaflare.biz |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com/ |
| 37 | 2 | 0.00 | 0 | 0.00 | Windows 9. |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 39 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.00 | 2 | 0.01 | +http://wmaid.com/explore/ |
| 41 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 42 | 2 | 0.00 | 1 | 0.01 | X11 |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 44 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 45 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 47 | 1 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 48 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 49 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
