Solution:
I get the content but not the images when i turn off Javascript.
I notice in the body tag there’s a class of “layzr-loading-on” – so looked that up and found this: http://callmecavs.com/layzr.js/
I notice that the images in the demo on that site don’t load when javascript is turned off either so i assume they haven’t got a fallback to display images when javascript is turned off.
This library could be loaded manually by a plugin, or might be part of your theme or might be part of a cacheing plugin.
(added the following into the answer for anyone else who has the issue) Because your theme adds an html class of “no-js” when js is turned off, you could try a style like:
.no-js .full-width-wrap {opacity: 1;}
That will probably sort you out as a fallback.