Blog
Practical guides on CPM, ad pricing models, and how to plan campaign budgets — written to complement the calculator, not replace understanding it.
CPM vs vCPM: What's the Difference and Why It Matters
CPM charges you per impression served; vCPM charges you per impression actually seen. Here's how viewable CPM is defined, how to calculate it, and why the gap between the two numbers matters.
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CPM vs CPC vs CPA: Choosing the Right Pricing Model for Your Campaign
CPM, CPC, and CPA each shift risk between advertiser and publisher differently. Here's how each model actually works, who bears the risk, and how to decide which one fits a given campaign.
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Google Ads CPM Guide: Display, YouTube & Performance Max
Google Ads prices CPM differently across the Display Network, YouTube, and Performance Max. Here's what changes between them, how to read your CPM data, and how to manage it in each.
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Meta Ads CPM Guide: Feed, Reels & Audience Network
Feed, Reels, and Audience Network price and perform differently inside Meta Ads Manager, even under the same campaign. Here's what drives the difference and how to read your placement report.
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How Publishers Set CPM Floor Prices (and Why They Matter)
A CPM floor price is the minimum rate a publisher will accept for an impression. Set it too low and you leave revenue on the table; set it too high and inventory goes unsold. Here's how to find the balance.
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eCPM Explained: How to Calculate and Improve Effective CPM
eCPM turns any pricing model — CPC, CPA, or CPM — into one comparable per-thousand-impressions number. Here's how to calculate it, why it can differ sharply from a quoted CPM, and how to improve it.
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CPM vs RPM: How Publishers Measure Revenue Per Thousand
CPM is a rate advertisers pay per impression; RPM is what a publisher actually earns per thousand of something else entirely — page views, sessions, or videos. Here's how the two relate and where they diverge.
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Header Bidding and CPM: How It Actually Raises Publisher Revenue
Header bidding lets multiple ad exchanges bid on the same impression at once instead of one at a time. Here's the mechanism behind why that tends to raise realized CPM, and where it doesn't.
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