Adsense CPM

Discussion in 'Google' started by sarahturned, Jan 28, 2010.

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  1. #1
    Why does CPM fluctuate so much?

    I usually am shy of $10 CPM and on days, drop to under $5 CPM whereas yesterday, a whopping $20+ CPM?

    Same blog, no site changes, just CPM changing. I'd like to keep the $20+ CPM :)
     
    sarahturned, Jan 28, 2010 IP
  2. crisT

    crisT Peon

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    #2
    depends on ctr and cpc
     
    crisT, Jan 28, 2010 IP
  3. sarahturned

    sarahturned Peon

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    #3
    Are you saying a higher CTR results in higher CPM? What would be the best CTR for the max CPM, does anyone know?
     
    sarahturned, Jan 28, 2010 IP
  4. freespace

    freespace Well-Known Member

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    #4
    its based on impressions and the advertisers
    If you suddenly get more traffic one day but the amount advertisers are spending doesn't change then the CPM will go down.

    Opposite can be said. You get more advertisers competing drive the cost up. CPM will be higher.
     
    freespace, Jan 28, 2010 IP
  5. Bohra

    Bohra Prominent Member

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    #5
    Depends on traffic visiting you that day
     
    Bohra, Jan 28, 2010 IP
  6. Lex350

    Lex350 Notable Member

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    #6
    Its just an equation? It's calculated by dividing your estimated earnings by the number of page impressions so it would chage depending on number of visitors.
     
    Lex350, Jan 28, 2010 IP
  7. happpy

    happpy Well-Known Member

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    #7
    on adsense it is not CPM itself, it is eCPM.

    "estimated CPM",
    its a calculation of your Click-Earnings - to -Bannerviews Ratio

    10$ earning with 10000 views calculates to $1 per 1000 views cpm
     
    happpy, Feb 4, 2010 IP