when HttpWebRequest object talk to HTTP Servers. project is hang for 4-5 second until server give response how to came out from this problem

VBcode Code:
  1. Try
  2.             Dim URL As String = "http://www.vbforums.com/"
  3.             Dim request As HttpWebRequest = WebRequest.Create(URL)
  4.             Dim response As HttpWebResponse = request.GetResponse()
  5.             Dim reader As StreamReader = New StreamReader(response.GetResponseStream())
  6.         Catch e1 As Exception
  7.             responseData = "An error occurred: " & e1.Message
  8.         End Try