Dear Sirs hi.
I am using WP Rocket as a caching plugin.
I have followed your guide as per settings for the wprocket i.e. https://xtemos.com/wordpress-performance-optimization-the-ultimate-guide-in-2021/
In that guide and in
Wprocket > Settings > File Optimization > CSS Files > Optimize CSS delivery > REMOVE UNUSED CSS, we have not ticked the Optimize CSS delivery as per your above instructions.
However if we activate this (> Optimize CSS delivery > REMOVE UNUSED CSS) a great deal of problems in PageSpeed Insights are being taken care of, not to mention the score and speed of the page is much better. Having activated this feature, the page works fine APPART from the part in the single product page the image MAIN TO CLICK ACTION – PHOTOSWIPE POPUP is not working and is giving us a black page with no image.
I can understand that some kind of exclusion is needed in the unused css field.
Can you assist us ?
Georgios