How to upload all images to the site at once?

Question

Web development

How to load all the content at the first visit to the site, and not as needed, when the user walks through the pages. To me specifically for myself, I'm not going to torment users.

Answer 1

Load them with the given size 1x1. Cached unless prohibited by the user

Answer 2

You can create a block in which to upload these images - by standard means. Hide the block itself!

<div style="height:0px;overflow:hidden;">
  <img src="..images/introduction-bg.jpg">
  <img src="../images/about-client-bg.jpg">
  <img src="../images/contacts-bg.jpg">
...