Understanding the definitions of words coming from the advertising industry can be confusing. This guide will give you the basics of what you need to know. By understanding the meaning of these words, you can better understand how advertising works and how to use it to your advantage. So let's get started!
Internet user visiting a site and considered as unique in the audience data of the site during a period. Indeed, if the same Internet user visits a website 10 times during the reference period, the audience data count 10 visits and 1 unique visitor during the period.
The portion of advertising inventory that could not be sold over a given period.