What can popups be used for?
Pop-ups are used primarily by marketers to promote offers and generate leads, but can also alert users of other things like cookie use. On websites, pop-ups often appear soon after the page loads the first time the visitor accesses the page.
How do you use pop-up in a sentence?
Examples from Collins dictionaries
She was startled when Lisa popped up at the door all smiles. You solved one problem and another would immediately pop up. There's a pop-up gallery where the café used to be. Temporary or pop-up stores are an increasingly popular marketing vehicle for generating publicity.