title: How To Enable Optimization Level in Unity 5.3.1. For WebGL?
body: <p>I am making webgl build using Unity 5.3.1 &amp; want to enable optimizations level for webgl.But i am seeing unity giving this feature for only development build mode.</p>
  
  <p>Please let me know how i can enable optimization level in Unity 5.3.1.</p>