I noticed when I was new here (about four months ago) I get CPMs of around $12. Now, for the past 7 days, I didn't get a CPM above $5. I also noticed that when my page impressions are up, my CPM is down. Coincidence? So what does affect CPM?
sort by best latest
You can help the HubPages community highlight top quality content by ranking this answer up or down.
Is it the same for everybody?