Step 1
Log in to PrestaShop admin panel. Under Configure section at the side menu, Select Advanced Parameters -> Performance
Step 2
Configure CCC (Combine, Compress and Cache), activate all three options ( Smart cache for CSS, Smart cache for JavaScript, and Apache Optimization) as in the picture below.
Step 3
Configure Media servers (use only with CCC), place your CDN CNAME into the Media server #1 field as in the pictures below. See How To Set Up A CDN Resource.
Step 4
Verify your assets are now serve from the CDN side.
Notes: If you use custom fonts, please enable CORS origin for them.