
Impression Share
Impression share is the percentage of eligible ad impressions your ads actually won out of the total available for your targeting and budget.

Impression share is the percentage of eligible ad impressions your ads actually won out of the total available for your targeting and budget.

Viewability measures whether a served ad was actually in view, based on how much of it entered the screen and for how long.

An ad impression is a single instance of an ad being served and rendered on a page or app where a user could see it.

AOV (average order value) is the average amount spent per order, calculated as total revenue divided by the number of orders.

ROAS (return on ad spend) is the revenue generated for every dollar spent on advertising, calculated as revenue divided by ad spend.

A conversion is any valuable action a user completes after seeing or clicking an ad, such as a purchase, signup, lead, or app install.

Conversion rate (CVR) is the percentage of clicks or visitors that complete a desired action, such as a purchase, signup, or lead.

CTR (click-through rate) is the percentage of ad impressions that result in a click, calculated as clicks divided by impressions times 100.

RPM (revenue per mille) is the revenue a publisher earns per one thousand ad impressions or page views, the monetization mirror of CPM.

EPC (earnings per click) is the average revenue an affiliate or media buyer earns for each click sent to an offer, calculated as earnings divided by clicks.

eCPC (effective cost per click) is the blended average cost of a click across a campaign, even when the campaign was not priced per click.

CPL (cost per lead) is the average advertising cost to capture one lead, such as a form fill, email signup, or quote request.

CPA (cost per acquisition) is the average advertising cost to win one conversion, calculated as total spend divided by conversions.

CPM (cost per mille) is the price an advertiser pays per one thousand ad impressions, regardless of whether anyone clicks.

CPC (cost per click) is the amount an advertiser pays each time a user clicks their ad, calculated as total spend divided by total clicks.