Some users experience a delayed or stalled loading of the galleries (more so on the front page) that can sometimes be resolved by refreshing the page. Usually the boxes show when you hover your mouse over them, but none of the images load.
This is usually caused by conflicting lazyload scripts designed to delay the load of a component of the page so make the page load faster.
The Foursixty gallery embed code includes a built-in lazyload function that can cause unexpected results when you have another lazyload script installed in your website, so the easiest way to resolve the issue is to turn our lazyload off.
To do this, add the following element to your existing embed code in the SCRIPT section. We normally recommend placing it right after the data-feed-id="youraccount" as that is an easy place to find in the script.
data-defer-image-loading="false" 
Once you've added this to your code, your site's lazyload script will be controlling how the gallery loads and should not give you any additional issues.
If this does resolve your issues, please feel free to reach out to us here and we'd be happy to help!