Circling back to an ongoing issue. Your theme conflicts with WP Rocket’s ability to fully rewrite static assets, such as images to my site.
It works fine with default themes. But seems to have issues with yours.
Another strange issue … it looks like shortcode isn’t fully being parsed: https://v2uploads.zopim.io/4/4/w/44wMsYtyeggQpOCTqYps7RzJl6jqCD5X/a67b19c281709264d663f07fa5a711f8a5dbc56d.png