CPM stands for cost per mille. It's an acronym in digital marketing that stands for cost per thousand; "mille" is Latin for thousands. Advertisers pay for every 1,000 times their ad appears. Unlike bidding for clicks or conversions, CPM bidding aims for brand visibility. Advertisers set a maximum bid amount per 1,000 impressions. Google then shows the ad to maximize reach within that budget. CPM can be effective for boosting brand awareness without needing immediate clicks or conversions.

Monitoring CPM metrics lets advertisers assess cost-effectiveness in reaching their target audience. It's about visibility and brand recognition. CPM bidding is different from other strategies focused on actions like clicks or purchases. Advertisers state the highest amount they'll pay per 1,000 times their ad is displayed. Then Google's system decides when and where to show the ad to get maximum impressions within that budget limit. For campaigns wanting more brand exposure without requiring instant engagement, CPM bidding can work well. Analysing CPM data helps advertisers judge if their campaigns are cost-effectively reaching the intended audience.

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