title: low performance of services when using third party resources (CDN) with GWT
body: <p>The company i work for wanted to enhance performance of the whole system by using CDN for the static resources (js - images - css), but for our own surprise it actually made the whole performance worse. (from 850ms to 1400ms avg response time).</p>
  
  <p>When we monitored the requests that took the highest avg response time we found that the services response time is now doubled (eg . login service : from 400ms without CDN to 900ms with CDN ). the resources itself was better than normal (from 200+ms to 20- ms) that means that CDN should indeed boost the performance. but due to the low performance of the services the system overall perform lower at the end. I really need to know why would that happen</p>