关于得到HTML 501等类似错误网页的大小和修改日期~

我想取到https://www.microsoft.com/isapi/redir.dll?prd=windows&sbp=mediaplayer&plcid=&pver=5.2&os=&over=&olcid=&clcid=&ar=Media&sba=RadioGuide&o1=&o2=&o3= 我想取到https://www.microsoft.com/isapi/redir.dll?p