eCPM is different with the same Niche blogs, Why?

Discussion in 'AdSense' started by jeros, Feb 13, 2009.

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  1. #1
    I have two similar blogs with same Niche. But the eCPM of the 1st Blog is only 10% of the Second Blog.
    Why?
     
    jeros, Feb 13, 2009 IP
  2. Project Mobius

    Project Mobius Peon

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    #2
    err because you have more people visiting your second blog for some reason?
     
    Project Mobius, Feb 13, 2009 IP
  3. jeros

    jeros Peon

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    #3
    No, the 1st Blog is more popular than the Second Blog.
     
    jeros, Feb 13, 2009 IP
  4. Project Mobius

    Project Mobius Peon

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    #4
    by popular do you mean it has more unique visits (traffic)? having traffic is one thing but if your visitor doesn't visit other pages then your impression will not be high

    for example: Blog 1 has 50 UV, 10 for blog 2
    your readers only view one page for blog 1, so 50 impressions
    your readers read 10 pages for blog 2, that's 100 impressions

    hence you get more impression from blog 2 than blog 1
     
    Project Mobius, Feb 13, 2009 IP
  5. jeros

    jeros Peon

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    #5
    But my problem is related with the eCPM...
     
    jeros, Feb 13, 2009 IP
  6. Adpubster

    Adpubster Peon

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    #6
    eCPM is designed to normalize the impressions/clicks etc to a 1000 standard, so numbers of visitors, impressions, clicks doesn't matter.

    When you say same "niche" you obviously (I hope!) don't mean "same content" So, there are differences even if you are in the same niche. Add that to the fact that traffic may be from different sources etc and I'm not surprised at all. You say nothing, too, of the raw numbers. For eCPM to really be an effective measure, you need a statistically significant level of traffic. If the blog with the lower visitors gets very little traffic, results can be skewed in a hurry by just a couple clicks.
     
    Adpubster, Feb 13, 2009 IP