Symptoms
If your site has LiteSpeed Cache enabled, but you are seeing X-LiteSpeed-Cache: miss some actions may need to be taken.
Description
If your site has LiteSpeed Cache enabled via the LiteSpeed plugin, or the WordPress Plugin, but the web browser console is showing X-LiteSpeed-Cache: miss this may mean that the cache needs to be re-added. LiteSpeed has more documentation on this here:
LiteSpeed Troubleshooting - Cache Always Misses
Workaround
In most instances of the issue, this is resolved by going to WHM's Home »Plugins »LiteSpeed Web Server Plugin, then clicking the option for "Mass Enable/Disable Cache."
Once there, disable the cache for all users. Let the process finish.
Once finished, return to this same page, and enable the cache for all users.