Google Has Added Confirmed Click To Some Of Your Ads: What You Need To Know
The confirmed click penalty, which is also known as 2 click penalty, and “visit site overlay” is no longer shadow penalty and is being officially warned about by Google.
This technical gimmick that lets Alphabet protect its advertisers from paying for bad clicks, has been around for quite some time. Still, it was never really acknowledged officially by Google, even though it might have quite an impact on the revenue coming from Google AdX.