I am a novice Hub score not the greatest but Ad sense in traffic have been increasing. I have been adding introduction to my Hubs, checking spelling and grammar to the best of my limit ability adding more content limiting self to topics that I know or desire to know more about the results are good traffic is up monthly income is up not great yet but seeing a difference. The intros have really got the moderators off my back.Picture reducing size helps. I was about to leave decided to work harder getting positive results hope this helps someone. Bought a camera using my own photos more.