Classic ASP

HTTP HEAD Request

Sends an HTTP HEAD request and gets the response.

Note: The response to an HTTP HEAD request is always just the response header. The reponse body is always 0 length (thus the reason it's called a "HEAD" request..)

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Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set http = Server.CreateObject("Chilkat.Http")

' If the URL uses "https://", then the connection will be TLS.
' Otherwise it will be TCP.

' A failure is when we don't get any response.  It could be a timeout, an inability to connect, etc.
' For example, a "404 Not Found" response is still a response, and thus deemed success in terms of the API..

set resp = Server.CreateObject("Chilkat.HttpResponse")
success = http.HttpNoBody("HEAD","https://example-code.com/",resp)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
    Response.End
End If

' Examine the response.
Response.Write "<pre>" & Server.HTMLEncode( "Status Code = " & resp.StatusCode) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Status Line = " & resp.StatusLine) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Status Text = " & resp.StatusText) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Full Response Header:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( resp.Header) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "----") & "</pre>"
numHeaderFields = resp.NumHeaderFields
Response.Write "<pre>" & Server.HTMLEncode( "Num Header Fields: " & numHeaderFields) & "</pre>"

For i = 0 To numHeaderFields - 1
    Response.Write "<pre>" & Server.HTMLEncode( resp.GetHeaderName(i) & ": " & resp.GetHeaderValue(i)) & "</pre>"
Next

%>
</body>
</html>