Rajiv Sud from the AdSense Publisher support has a blog post explaining why referral 2.0 ads are reluctant to appear on publishers’ pages. Here are summaries about what might be happening:

Not referral ads are available in all sizes. Select categories or products for your referrals before selecting a size.
The particular referral ad you’ve chosen is […]

Early this month Chitika had released what claimed to be the first step to estimate the revenue in the blogosphere. In the Blog Dollar Study, they estimated that $500 million has been generated within the top 50k blogs in 2006.
Obviously there are a lot of questions regarding Google AdSense check arrives regularly at Google. They […]

I noticed this morning when logging in my Google AdSense account today that I was immediately prompted to update my AdSense login to a Google Account.

Soon, they will require all AdSense publishers to update their logins to a Google Account. Just follow the wizard to convert your account. An email to confirm the changes […]

As an AdSense publisher, it is wise to constantly test your ad units to see which one performs best. Optimization can be done through testing, which in turn will get the most revenue out of your existing content and traffic.
At the risk of sounding like a broken record, I am going to say it again. […]

Click-through rate (CTR) is an interesting topic to bring up on discussion boards, blogs and on industrial events where web publishers gather together to talk about website publishing revenue.
As you might have read, CTR depends upon too many factors it may be acceptable for one site, great for others and lousy for other half.
There […]