impression
Definition
A single instance of an online advertisement being displayed.*
Information
* This definition may be an over-simplification, as there is no standard
way to count impressions. All of the differences can add up to very
large discrepancies, yet people make purchases based on impression every day.
So... what is the definition?
Currently, whatever a buyer and seller agree on.
Synonyms
ad impression
Related Terms
CPM, page view
Sites
n/a
Articles
Why Can't Johnny Count Ad Impressions?
ClickZ (September 16, 2002)
Why We Can't Kill the Impression Just Yet
ClickZ (November 29, 2001)
The Impression Must Be Destroyed! (Part 2)
ClickZ (November 27, 2001)
The Impression Must Be Destroyed! (Part 1)
ClickZ (November 20, 2001)
Online Ad Squabble Nears Resolution
CNET News.com (October 22, 2001)
That Sneaking Impression: Part 2
ClickZ (August 11, 2000)
That Sneaking Impression
ClickZ (August 4, 2000)
The Nuts And Bolts of Advertising Online
ClickZ (April 22, 1999)
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