Contextual Advertising:
Contextual
Advertising is a form of PPC
advertising mainly
on websites where an
automated system serves ads which are relevant to the
page’s content
. Therefore it is also called Targeted
Advertising.
The best known and
first of this kind was Google
AdSense followed by
Yahoo! Publisher Network and Microsoft adCenter. In recent
times even different types of Contextual Ad systems came up
like Kontera and also eBay
developed it’s Context Ad system.
To be able to display
Contextual Ads on a website a webmaster has to sign up with one
of the ad networks and then put a piece of code within the
source code of his site. The website content and
keyword
s
are then evaluated by
the ad supplier (i.e. Google, Yahoo!, Kontera or with
whatever company the webmaster cooperates) and text ads
relevant to this content are automatically displayed on the
site. If a website visitor clicks on an ad the advertiser
has to pay the ad network and the webmaster receives a share
of the money.

Example for Contextual
Advertising. Google AdSense ads on www.hdtvplace.com.
You can find another example with context ads from another
ad network under ContentLink™
.
Another and widely used form of Contextual Advertising are the
sponsored ads on the search result pages of search engines like
Google, Yahoo!, MSN and others, which are relevant to the
search term the user had typed in. For an example see
under Google
AdWords.
[Context comes from Latin
contexere, contextus = to join together;
texere = to weave;
Advertising goes back to Latin
advertere = to pay attention to]
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