title: How to troubleshoot IE9 slow response?
body: <p>I’m dealing with client’s problem that is evident in extremely slow response time only on IE browser (what’s new). Chrome and FF browser works fine.
  This slow response is intermittent and is temporarily solved by cleaning cache (client reported that including ssl 2 in internet options -> advanced helps as well).</p>
  
  <p><img src="https://i.stack.imgur.com/o9r1e.png" alt="enter image description here">
  Where to start ?!</p>