Reply To: WP-Rocket 3.0.4 is showng too many errors

It is not related to WP Rocket, but it may help you to get 100/100 with free w3tc and autoptimize.
If it does not work for you and you to not want to buy WPRocket, try
https://dev.daanvandenbergh.com/how-to/pagespeed-pingdom-w3tc-autoptimize/