@furnituresuppliesuk Ah, with generate critical css there are still problems with woocommerce-smallscreen.css.
What I had to do was exclude woocommerce-smallscreen.css and also install a plugin that will let you selectively unload css files page by page and unload woocommerce-smallscreen.css from pages where ccss was screwing up. I also told ccss to create a separate ccss for every page by entering “page” into the “Separate CCSS Cache Post Types”.
Really I think it might be best to turn off ccss generation and just create your own and put it in “Critical CSS Rules” in the tuning tab until litespeed updates ccss.
