title: What happens if the origin web server sets the expires value in response header as a time which is passed relatively long ago?
body: <p>What happens if the origin web server sets the expires value in response header as a time which is passed relatively long ago.</p>
  
  <p>For instance, consider current time is Fri, 25 Jan 2013 GMT, and the expire header is set as --></p>
  
  <p>Expires: Thu, 01 Dec 1994 16:00:00 GMT</p>
  
  <p>How will the client respond for the above instance?</p>
  
  <p>Any help would be appreciated</p>