Up until recently, Firefox has been my preference for printing webpage articles published by Kiplinger. In he past, Firefox's Reader View has done a good job suppressing ads without losing content. Now when I go to Reader View, most of the content is lost.
Try this webpage for example:
You should be able to see that most of the content in the article is lost in Reader View, while Immersive Reader in MS Edge preserves content while stripping away ads.
Sample print to PDF from Firefox and MS Edge are attached.