Every now and then I get a pop-up asking if I want to translate the page,it happened twice today, when I was doing quests, but it has popped up in other places. Anyone know why this randomly happens?

It's probably one of your browser settings, if you have it set to offer to translate pages in languages besides your default language.

IDK why it pops up randomly on Subeta though, I guess it may detect some words it doesn't recognize as English and thinks the page is in another language. But anyway, there's not really anything Subeta could do about this it's just the browser setting being weird.