title: Expires vs max-age, which one takes priority if both are declared in a HTTP response?
body: <p>If a HTTP response that returns both Expires and max-age indications which one is used?</p>
  
  <pre><code>Cache-Control: max-age=3600
  Expires: Tue, 15 May 2008 07:19:00 GMT
  </code></pre>
  
  <p>Considering that each one refers to a different point in time.</p>