Advertising Settlement Models and Key Performance Indicators (KPIs) in PPC Campaigns

In online advertising campaigns, especially within paid systems like Google Ads or Meta Ads, various acronyms are used to describe settlement models and Key Performance Indicators (KPIs).

Below is a comprehensive summary of the most important terms:

1. Settlement Models: "You Pay For":

AcronymFull NameExplanation
CPA Cost Per Action / Acquisition You pay only when a user performs a specific, desired action (conversion) – e.g., fills out a form, places an order, or downloads a file.
CPL Cost Per Lead You pay for acquiring a potential customer (lead) who has left their contact details. This is a variant of CPA.
CPM Cost Per Mille You pay a set amount for every 1,000 impressions of your ad, regardless of clicks. Used mainly for brand awareness.
CPV Cost Per View You pay for each view of your video ad (e.g., on YouTube), usually after reaching a certain threshold (e.g., 30 seconds).
CPS Cost Per Sale You pay only when the ad directly leads to a finalized sale. Common in affiliate marketing and e-commerce.
CPI Cost Per Install You pay when a user installs a mobile application after clicking the ad.
CPO Cost Per Order You pay for each order placed, regardless of whether it has been paid yet. A variant of CPA.

 

2. Key Performance Indicators (KPIs) and Other Acronyms:

AcronymFull NameExplanation
CTR Click-Through Rate The percentage ratio of ad clicks to the total number of impressions.
CR / CVR Conversion Rate The percentage ratio of users who performed a desired action to the total number of users (or clicks).
ROI Return On Investment A profitability ratio: measures the overall profit or loss generated by an investment relative to its cost.
ROAS Return On Ad Spend Measures the revenue generated directly from an ad campaign relative to the amount spent on it.
QS Quality Score In Google Ads: An estimate of the quality and relevance of your keywords, ads, and landing pages. It affects your CPC and ad position.