You can get Http header

Httpheader.ps1

$url="full name much better  eg. http://www.google.com"
#$xhttp= New-Object -ComObject msxml2.xmlhttp                                       
#$xhttp.open("get",$url,$false)                                                     
#$xhttp.send()                                                                      
#$xhttp.responseText                                                                
#$xhttp.status                                                                      
#$xhttp.getAllResponseHeaders() 

#alse you can net.webclient  
#$req =[net.httpwebrequest]::Create($url)


new-object net.webclient