Using YITH WooCommerce Zoom Magnifier with WP Rocket
Disable LazyLoad for variable products
If the Zoom magnifier does not seem to work correctly for variable product images when LazyLoad is enabled on the Media tab in WP Rocket, disable LazyLoad on those specific pages only.
Programatically disable LazyLoad for product pages
If it fits your use case, you can also programatically disable LazyLoad for product pages with the following Helper Plugin:
📥 Download (.zip): WP Rocket | No LazyLoad for WooCommerce Product Images
Developers: You can find the code for this plugin on GitHub.