Removing Dickovers in Chrome
I can't find the article right now, but John Gruber coined the term Dickover to describe those annoying slideovers, popups, whatever that block your view of the page you want to see. He gives a bunch of good examples to block them in Safari. However, I don't use Safari; I use Vivaldi.
I found a good Chrome extension that does this. I have it set to Delicate, which takes care of 90% of them. On rare occasion, I have to turn it off or raise the level of blocking, but it makes reading the web much less annoying. I'm looking at you, NYT Cooking.
Anyway, the extension is PopUpOFF.