Contextual advertising
Online Advertising
Contextual advertising
Contextual advertising is the term applied to
advertisements appearing on websites which ads are served by
automated systems based on the content of the page.
Google AdSense was
the first major contextual advertising program. It worked by providing
webmasters with JavaScript code
that, when inserted into web pages, called up relevant advertisements from the
Google inventory of advertisers. The relevance was calculated by a separate
Google bot that indexed the content of the page.
Since the advent of AdSense, the Yahoo Publisher Network,
MSN
adCenter and others have been gearing up to make similar offering.
Contextual advertising has made a major impact on earnings of many websites.
As the ads are more targeted they are more likely to get clicked, thus
generating revenue for the owner of the website (and the server of the
advertisement). A large part of Google's earnings are from their share of the
contextual ads served on the millions of webpages running the Adsense program.
External links
Home | Up | Central ad server | Contextual advertising
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