To know if someone is truly your friend, you must have the courage to trust. Those who betray your trust were never your friends to begin with; they were imposters waiting to reveal their true nature.
Someone please, please build an automated unused CSS/JS tool for windows that can scan an entire site, using multiple viewports, rendering each page with it's javascript and reporting back with a cleaned, optimized CSS file and/or removal list.
@yoast How many of your users do you think are comfortable with editing their php files? I would bet 99.9% of users would expect you to have this feature in the interface.
Warning - do not update to Yoast 11.0 if you have custom structured data markup. Yoast SEO 11.0 generates Markup even if you do not have anything selected in the drop down option. It will generate errors in that situation on blog pages.