Google is transitioning AdSense to an eCPM payment model for publishers.
Last November, Google stated it would be updating the revenue share structure for AdSense to modernize the way publishers earn money from their website content.
Ginny Marvin, the Google Ads Liaison, has confirmed this transition to eCPM payments for AdSense partners.
A Closer Look At The Updated Revenue Share
Previously, publishers received a consistent 68% of ad revenue. Now, the revenue share is split into separate rates for the buy-side (advertisers) and sell-side (publishers).