Impressions: The number of times an advertisement appears on your site,
The total number of times an advertisement appears.
Unique Impressions: The number of unique visitors that are shown an
Clicks: Also referred to as a click-through. This is action a
consumer takes when they select a link or advertisement that takes them to a merchant’s site.
The total number of times an advertisement is clicked.
Unique Clicks: The number of unique users that click an advertisement.
A click through rate (CTR) is the percentage of clicks verses the number of times an ad is displayed.
CTR can be calculated based on total impression or unique impressions.
For example, when based on unique impressions, if you have a 1% CTR that means one out of a hundred
visitors clicked that ad to view the merchants website.