Custom fields and woocommerce - a tab with 500+ images is loaded along with the page. How to fix?

Question

CMS

Here is an example, a page with a product, under the product there is a FABRIC SELECTION tab. mebelcheap.ru/product/evroknizhka-transformer
It contains 500+ pictures. And they are loaded along with the site, and not when opening a tab (there are still sub-tabs in it).
This tab is made through custom fields. How can I make these images load when I click on the tab?

Answer 1

The easiest thing to try is to use the BJ Lazy Load plugin: https://ru.wordpress.org/plugins/bj-lazy-load/