title: gtmetrix site problems: remove the query string and encode the parameters into the URL
body: <p>My gtmetrix Speed Grade is 65% ! Gtmetrix recommendation is in below image:
  <img src="https://i.stack.imgur.com/43It6.jpg" alt="enter image description here"></p>
  
  <p>First recommendation: <code>Remove query strings from static resources</code>
  How to remove the query string and encode the parameters into the URL? </p>