In short order, other browsers adopted this feature and all was well with the world.until it resurfaced, largely via new windows or tabs, and we were all back to Square One.īut what's been happening of late with these uninvited guests at our browsing parties is a little different. With a simple check box, you could rid yourself this nuisance. Then, the very first iteration of Safari included a unique feature: Block Pop-Up Windows. Annoyed users would have to close these pop-up windows over and over again in an on-going game of whack-a-mole. In the early days of web browsing, windows containing ads would often pop up randomly and without notice, blocking content on the screen.