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Khamis, 23 Disember 2010

Effective CPM


Effective cost-per-thousand impressions (eCPM) is a useful way to compare revenue across different channels and advertising programs. Essentially, effective CPM represents your estimated earnings for every 1000 impressions you receive.

Effective CPM doesn't represent how much you have actually earned -- rather, it's calculated by dividing your estimated earnings by the number of page impressions, then multiplying by 1000. For example, if you earned an estimated $0.15 from 25 page impressions, then your page eCPM would equal ($0.15 / 25) * 1000, or $6.00. If you earned an estimated $180 from 45,000 ad impressions, your ad eCPM would equal ($180 / 45,000) * 1000, or $4.00.

google adsense

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