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CPM in the tank now

something change so quickly?

     
2:12 am on Nov 14, 2006 (gmt 0)

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had a couple of near record days, and now my cpm is as low as its ever been, two days in a row.

I'm going to make 1/3 of the money today, that I made say, 3 days ago, and I've had 20% more traffic.

8:33 am on Nov 14, 2006 (gmt 0)

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Yoda would say: "Stability of Adsense a feature is not!"

I would say to just look at 7 day moving average values for short term trends, in conjunction with 31 day moving averages for long term trends. This will give you a pretty good indication about the normalized value of your traffic. A day-by-day comparison is often not useful.

For my sites, I find that even the 7 day average is pretty volatile. The values can dramatically change from week to week. On the 31 day average I am seeing some stability or better: trends, even if the trend seems to be pointing down recently. :-(

3:55 pm on Nov 14, 2006 (gmt 0)

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I had only 4 good days of a decent eCPM out of the last 20 days. It was November 10-13. Today the 14th, the eCPM is running about half of what it was doing during those 4 days.

I cannot figure out why it fluctuates so much. I didn't make any changes to my sites, and my traffic is about the same each day.

4:03 pm on Nov 14, 2006 (gmt 0)

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Is it possible that this is a slow time of year for your topic? On my own site (in the travel sector), the first nine months of the year are usually a lot stronger than the last three. A site that sells widgets to Christmas shoppers might have the opposite pattern.

hunderdown

4:17 pm on Nov 14, 2006 (gmt 0)

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Google changed the way AdWords works by introducing Quality Score to the content network. That's us. And if it drives advertisers away, or saves them money, we earn less.

And there was a "maintenance" on Saturday, possibly meaning a change to the system.

Two big changes in the past two weeks. May be a while before things settle down.

8:58 pm on Nov 14, 2006 (gmt 0)

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I once had my traffic increase tremendously. at the same time my CTR, CPM, and $ went down the toilet. As it turns out I was getting the traffic from one of those urban legend sites. The visitors were reading an article on that site, following the link to a very specific content page on my site and then going right back to finish reading the article.

I pondered whether to get rid of my page but decided instead to tough it out for the long run. After a week or so CTR, CPM & $ went back to normal.

9:10 pm on Nov 14, 2006 (gmt 0)

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The end of last month and the beginning of November was pretty good. But since Google made the new QS crap changes this weekend my eCPM is 20-25% down.
10:15 pm on Nov 14, 2006 (gmt 0)

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It seems that every now and then google tries new ads on the site to see if they perform better than the present ones. And of course adwords campaigns start and stop continuously with different budgets and with or without budget optimization. The number of variables are endless. As mentioned, look at averages over longer periods, but even those are subject to what campaigns are currently active.

edited: spelling

[edited by: DoingItWell at 10:16 pm (utc) on Nov. 14, 2006]

 

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