What is eCPM? For the uninitiated, eCPM is the result when you divide your total earnings by to total number of impressions and then multiply it to 1,000.
For experienced AdSense publishers, experimenting on their AdSense sites' performance is almost impossible without this metric. So you're itching to know what can possibly increase your AdSense earnings through increasing AdSense eCPM by 50%?
Everton Blain of Connected Internet says it's Section Targeting.
Nothing new about this tip but just to show you another proof that it does work immensely well..
...last week I realised that what had also happened was that November was also when I started experimenting with my new Eureka theme, and my Adsense Section Targeting was missing. Literally the second I added Adsense Section Targeting by eCPM started to increase and 4 days later it’s up 50%!