Inside Online Advertising
By Diggers Realm

AdSense Revenue Drop Rebounds

In my last post that mentioned drops in AdSense revenue I mentioned that occasionally I see a dramatic drop in AdSense revenue for a day over at Diggers Realm. I'm going to deem these drops as "revenue hiccups" because that's what it seems to be.

Today revenue bounced back from the hiccup yesterday. The chart below is a continuation of the chart I posted in the previous article on this.


Look at that! A drop of 44% in revenue one day and a gain of 125% the next. I'm not sure what causes these dramatic swings, but I have noticed them occurring before. My traffic has remained relatively stable during this period the past 3 or 4 days.

Is Google somehow analyzing the ads and trying some different ads for a day to judge performance? Is there a serious flaw in the AdSense program? Are they testing some beta software on me here and there to see if they can squeak a little more cash out of advertisers? Or are they simply just gouging me for a day in hopes that I don't notice?

I'd really like an explanation.

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Posted on Fri May 12, 2006 at 03:58 AM | Permalink | Email This | Blogroll IOA! |


I know that Google tailors its ads to the content of the site. For example, if your page mentions dogs, especially several times, ads for pet supplies, dog magazines, and so forth, will pop up.

Perhaps your content happened to trigger less lucrative ads: either ones that (1) are clicked less often, or (2) pay less per click. The dramatic rise of the yellow line at the right hand of your chart would indicate that suddenly, ads with a higher revenue per click were appearing.

You might want to take daily snapshots of the ads that are appearing and attempt, over time, to see which ones are producing the most revenue, and what content is triggering them.

Posted by: Ed Garrison | June 1, 2006 12:37 PM

this sometimes happens but if its short lived you shouldn't bother

Posted by: farouk | February 25, 2009 07:28 AM

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