percentage of viewers who take a desired action, including service subscriptions,
downloads, registrations or sales. It entails any action other than
total number of requests for delivery of a file on a server. It is an
unreliable way to measure ad-generated traffic. When a user requests
a page, that Web page along with any graphic or textual elements, are
each counted as a hit.
the number of times a specific ad is downloaded, and therefore the number
of exposures. The impression count does not count a user's repeat visits
during the same session.
a record of each time a page is requested by a viewer. It is similar
to a hit, but additional elements of a page are not counted separately.
A high page view rate is good for Web sites that rely on advertising
as a major source of revenue.
the number of separate individuals who visit a site within a specific
time period, regardless of repeat visitors. This rate is usually calculated
over a 30-day span. Unique visitors are determined by the user's IP
address and cookies.