| Used Operating Systems |
| 1 | 13501380 | 99.79 | 977 | 13.29 | Windows NT |
| 2 | 9573 | 0.07 | 1989 | 27.05 | +http://www.google.com/bot.html |
| 3 | 7511 | 0.06 | 576 | 7.83 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 2494 | 0.02 | 2113 | 28.74 | +http://www.baidu.com/search/spider.html |
| 5 | 1727 | 0.01 | 300 | 4.08 | +http://www.bing.com/bingbot.htm |
| 6 | 884 | 0.01 | 225 | 3.06 | +http://yandex.com/bots |
| 7 | 883 | 0.01 | 125 | 1.70 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 685 | 0.01 | 108 | 1.47 | Win32 |
| 9 | 621 | 0.00 | 608 | 8.27 | http://www.yodao.com/help/webmaster/spid... |
| 10 | 614 | 0.00 | 14 | 0.19 | J2ME/MIDP |
| 11 | 570 | 0.00 | 28 | 0.38 | +http://www.exabot.com/go/robot |
| 12 | 298 | 0.00 | 9 | 0.12 | +http://www.scoutjet.com/ |
| 13 | 279 | 0.00 | 8 | 0.11 | Linux [unknown version] |
| 14 | 239 | 0.00 | 6 | 0.08 | Intel Mac OS X 10.6 |
| 15 | 232 | 0.00 | 4 | 0.05 | +http://www.sitebot.org/robot/ |
| 16 | 214 | 0.00 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 17 | 205 | 0.00 | 31 | 0.42 | http://help.naver.com/customer_webtxt_02... |
| 18 | 197 | 0.00 | 33 | 0.45 | Linux i686 [unknown version] |
| 19 | 148 | 0.00 | 3 | 0.04 | Windows Phone OS 7.0 |
| 20 | 133 | 0.00 | 3 | 0.04 | Intel Mac OS X 10.5 |
| 21 | 130 | 0.00 | 4 | 0.05 | Windows 95 |
| 22 | 126 | 0.00 | 19 | 0.26 | ezooms.bot@gmail.com |
| 23 | 113 | 0.00 | 24 | 0.33 | Win32; Trident/4.0 |
| 24 | 106 | 0.00 | 2 | 0.03 | +http://www.puritysearch.net/ |
| 25 | 98 | 0.00 | 26 | 0.35 | Windows 98 |
| 26 | 84 | 0.00 | 6 | 0.08 | http://www.dotnetdotcom.org/, crawler@do... |
| 27 | 82 | 0.00 | 2 | 0.03 | Series 60 |
| 28 | 66 | 0.00 | 6 | 0.08 | http://www.search17.com/bot.php |
| 29 | 64 | 0.00 | 2 | 0.03 | Solaris 9.x |
| 30 | 56 | 0.00 | 15 | 0.20 | Solaris 7.x |
| 31 | 55 | 0.00 | 5 | 0.07 | http://www.youdao.com/help/webmaster/spi... |
| 32 | 34 | 0.00 | 8 | 0.11 | http://desktop.google.com/ |
| 33 | 32 | 0.00 | 2 | 0.03 | America Online Browser 1.1; rev1.1; Wind... |
| 34 | 30 | 0.00 | 20 | 0.27 | http://misc.yahoo.com.cn/help.html |
| 35 | 28 | 0.00 | 1 | 0.01 | +http://discoveryengine.com/discobot.htm... |
| 36 | 28 | 0.00 | 4 | 0.05 | +http://about.ask.com/en/docs/about/webm... |
| 37 | 27 | 0.00 | 3 | 0.04 | MirrorDetector; +http://yandex.com/bots |
| 38 | 12 | 0.00 | 8 | 0.11 | +info@netcraft.com |
| 39 | 8 | 0.00 | 2 | 0.03 | http://www.google.com/bot.html |
| 40 | 7 | 0.00 | 7 | 0.10 | WinHttp.WinHttpRequest.5 |
| 41 | 4 | 0.00 | 4 | 0.05 | Windows CE |
| 42 | 3 | 0.00 | 3 | 0.04 | Windows NT 5.1 |
| 43 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 44 | 2 | 0.00 | 2 | 0.03 | +http://www.muammar-gaddafi.info |
| 45 | 2 | 0.00 | 2 | 0.03 | Windows ME |
| 46 | 2 | 0.00 | 2 | 0.03 | PPC Mac OS X Mach-O |
| 47 | 2 | 0.00 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 48 | 2 | 0.00 | 2 | 0.03 | MSIE 8.0.6001.18702 |
| 49 | 2 | 0.00 | 2 | 0.03 | FreeBSD 4.x |
| 50 | 2 | 0.00 | 2 | 0.03 | Linux i586 [unknown version] |
| 51 | 1 | 0.00 | 1 | 0.01 | Unknown |
| 52 | 1 | 0.00 | 1 | 0.01 | X11 |
