From time to time the mobile version of the site crashes (loads without css) Can I fix it?

Question

LiteSpeed ​​Web Server

Hello!
I use on my site:
Autoptimize (it's definitely not the problem, I tried to delete it, the problem persists)
LiteSpeed ​​Cache

The situation is as follows:
Everything is fine on the PC!
On the phone, everything is also cool, but from time to time it starts to load a stupid page without css.

This is what the mobile version looks like sometimes:

(photo not mine)

Answer 1

Perhaps links to css and js without https:// mobile browsers if the site with ssl completely refuses to process such links. And inside the css, you also need to see if all url() with https/