你是否想知道某个网站是运行在什么服务器，用什么web服务器，甚至是网站在哪个机房。下面是通过http://uptime.netcraft.com/up/网站查询到的一些著名网站的信息。
www.baidu.com
http://www.baidu.com was running BWS on unknown when last queried at 9-Apr-2011 05:07:23 GMT
www.qq.com
http://www.qq.com was running nginx on Linux when last queried at 5-Apr-2011 09:43:02 GMT
www.sina.com.cn
http://www.sina.com.cn was running Apache on Linux when last queried at 6-Apr-2011 09:09:20 GMT
www.taobao.com
http://www.taobao.com was running nginx on Linux when last queried at 6-Apr-2011 16:22:06 GMT
www.163.com
http://www.163.com was running nginx on Linux when last queried at 6-Apr-2011 09:01:31 GMT
www.sohu.com
http://www.sohu.com was running Apache on Linux when last queried at 8-Apr-2011 07:36:07 GMT
www.soso.com
http://www.soso.com was running nginx on Linux when last queried at 7-Apr-2011 08:49:25 GMT
www.ifeng.com
http://www.ifeng.com was running PWS on Linux when last queried at 8-Apr-2011 09:18:23 GMT
www.hao123.com
http://www.hao123.com was running lighttpd on unknown when last queried at 8-Apr-2011 08:00:52 GMT
看来大站用nginx服务器的也不少。