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I see my pageviews+visitors increasing over 30% in the past months. I see my CTR and total clickthrough increase. But earnings drop.
So I went and searched. Finally I found out that targeting type = "Site" went from 75% of the income to about 35%.
So I started investigating and found out that with Adsense's new look they removed the "Advertise on this site" link that was with most ad formats.
This seems to me to be the most logical explanation. Has anyone else seen a drop in Site based revenue with this change?