In an interview with Gary Illyes of Google, Illyes revealed that Google's manual action team has the ability to look at your links and read their "labels."
The code looks ok, everything is set up correctly - but still, these users are getting blank ad units. That costs people money and creates a poor user experience.
Here's a topic that comes up every now and then - are products like Google Analytics and Chrome really useful, or are they just sabotaging you from the inside?
In an effort to provide easier access for mobile users to webpage content, Google announced it will start lowering the rankings of websites with "intrusive interstitials" starting on January 10, 20