title: Resource interpreted as Image but transferred with MIME type application/octet-stream
body: <p>When loading my page I get this warning: </p>
  
  <pre><code>Resource interpreted as Image but transferred with MIME type application/octet-stream
  </code></pre>
  
  <p>My page is loading jpeg images. The server writes the images bytes to an output stream ans sends it to the client. </p>
  
  <p>What do I have to do to prevent this warning?</p>