ad click-through rates

Submitted by brettev on Tue, 01/15/2008 - 12:53.

"The ad click-through rate is the number of times a viewer clicks on an advertisement with a link compared to the number of times that that advertisement link is shown. For example, if an advertisement is shown 1000 times and five people click on it, that advertisement has a click-through rate of 0.5%."