With the following function you can easily retrieve a list of website headers in C#. The function needs only the url of a webpage to collect the data. If the function is successfully executed, you’ll get a Dictionary, typed as <string, string>, as return value. This Dictionary<string, string> contains all the headers of the webpage, whose url you passed by at function call time.

//Don’t forget to set the using-directive ;)
using System.Net;

//…

public Dictionary getHeaders(string url)
{
//Dictionary which shall contain the header information
Dictionary header = new Dictionary();

//Create webrequest
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);

//Create response object
HttpWebResponse response = (HttpWebResponse)request.GetResponse();

//Read all headers from the response
foreach (string headerItem in response.Headers)
{
//Add header to the dictionary
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