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Google AdSense,
commonly just AdSense, is an ad serving program
run by Google. Website owners can enroll in this program
to enable text, image and, more recently, video
advertisements on their sites. These ads are
administered by Google and generate revenue on either a
per-click or per-thousand-impressions basis. Google is
also currently beta-testing a cost-per-action based
service. |
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AdSense |
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| Developer |
Google |
| OS |
Cross-platform
(web-based application) |
| Genre |
Online advertising |
| Website |
google.com/adsense |
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Overview
Google uses its search technology to
serve ads based on website content, the user's geographical
location, and other factors. Those wanting to advertise with
Google's targeted ad system may sign up through AdWords. AdSense
has become a popular method of placing advertising on a website
because the ads are less intrusive than most banners, and the
content of the ads is often relevant to the website.
Currently, AdSense uses JavaScript code
to incorporate the advertisements into a participating site. If
it is included on a site which has not yet been crawled by the
Mediabot, it will temporarily display advertisements for
charitable causes known as public service announcements (PSAs).
(The Mediabot is a separate crawler from the Googlebot that
maintains Google's search index.)
Many sites use AdSense to monetize their
content. AdSense has been particularly important for delivering
advertising revenue to small sites that do not have the
resources for developing advertising sales programs and
salespeople. To fill a site with ads that are relevant to the
topics discussed, webmasters implement a brief script on the
sites' pages. Sites that are content rich have been very
successful with this advertising program, as noted in a number
of publisher case studies on the AdSense site.
Some webmasters work hard to maximize
their own AdSense income. They do this in three ways:
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They use a wide range of traffic
generating techniques including but not limited to online
advertising.
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They build valuable content on their
sites which attracts AdSense ads which pay out the most when
they get clicked.
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They use copy on their websites that
encourage clicks on ads. Note that Google prohibits people
from using phrases like "Click on my AdSense ads" to
increase click rates. Phrases accepted are "Sponsored Links"
and "Advertisements".
The source of all AdSense income is the
AdWords program which in turn has a complex pricing model based
on a Vickrey second price auction, in that it commands an
advertiser to submit a sealed bid (not observable by
competitors). Additionally, for any given click received,
advertisers only pay one bid increment above the second-highest
bid.
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