<b>Use the built-in experiments, stop guessing</b>

<b>Use the built-in experiments, stop guessing</b>
AdSense has an A/B experiments tool right in the dashboard and almost nobody uses it. You change auto-ad load or a placement, it splits traffic 50/50 and tells you the actual RPM delta.
Ran one on ad-load intensity.
— 'more ads' won by +6% RPM with no engagement drop, which I'd have never guessed
— data beat my gut
Quit eyeballing it. Let it split-test for you. Test it on one page first.