title: How to parallelize downloads across hostnames on WordPress?
body: <p>I'm getting this message "Parallelize downloads across hostnames" when checking my WordPress site on GTmetrix > <a href="https://gtmetrix.com" rel="nofollow">https://gtmetrix.com</a></p>
  
  <p>Here are the details > <a href="https://gtmetrix.com/parallelize-downloads-across-hostnames.html" rel="nofollow">https://gtmetrix.com/parallelize-downloads-across-hostnames.html</a></p>
  
  <p>How do I fix that ?</p>