So as I’ve grown in this industry I’ve found it really helpful to use the Adsense Competitive Ad Filter and reduce the sites that tend to not pay so well, which drops my eCPM. For a while I was maintaining this list on my own. Until recently I happened upon this blog that maintains a nice list of sites that you should have in your Ad Filter. I’ve tried it for a while now and its helped out my sites slightly. I would suggest trying it out briefly with the list in your Ad Filter, then for a while without and see what works best for you. Every niche works a little different.

Link: Not Spam