I know PCMag is pretty hard up for...everything, these days, but a modal "sign up for our newsletter" box that doesn't have a close button is the worst thing I've seen in a while.
(You can get out by hitting Escape, but that doesn't make it okay.)
(You can get out by hitting Escape, but that doesn't make it okay.)
Perhaps your ad blocker is blocking the close button.
(I make any web work I do work with or without an adblocker, because I don't own their browser.)