Slider image not loading unless I refresh page

I’m having a problem with the slider component on this home page in the customer showcase section [Header: Extraordinary learning communities are powered by Disco]. There should be a full-width image above the text but it doesn’t appear unless I refresh the page. I’ve tried compressing the images to speed up load times but doesn’t seem to solve the problem.

Here is my site Read-Only:

(Webflow - Disco: Learn Live Together)