Pop-up blocker did not block pop-under window.
Recently, when closing Fitefox, which has pop-up blocker set, I found a pop-under window, an advert, on the screen. I thought pop-unders were treated the same way as pop-ups?
Recently, when closing Fitefox, which has pop-up blocker set, I found a pop-under window, an advert, on the screen. I thought pop-unders were treated the same way as pop-ups?