Site just keeps breaking

I visit and its good, great.
Next day I visit, its broken. go to admin, deqactivate a plugin, any plugin, then reactivate it. Check the site and its OK.
Purge cache

Deactivate every plugin apart from Tag Div. This still happens.

What would keep breaking the page like this?

Thanks

This seems to be issue with cache plugin. Which one have you installed? Also, are you using page rules by cloudfare?

I don’t use Cloudfare. My Cache Plugin? I’m a long term user of WP Rocket.

I use Wp rocket too. Try clearing generated css and cache. Then open the pages in incognito mode. Sometimes your it can be simple conflict with your browser too, retrieving cookies stored already.