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Background Information
One of the main reasons for the success of the Google AdSense
program is due to it's ability to serve up related adverts to
websites. This is possible thanks to their many crawlers that
crawl your site to determine what each individual page is about
and therefore which adverts to show.
This said it is not 100% accurate and this is where section
targeting comes in to play.
Section targeting makes use of pairs of HTML comment tags to
assist the crawler in determining what the page topic is. It can
be used to either emphasise or de-emphasise parts of your content.
When Should You Use Section Targeting?
If your site is showing irrelevant advertisements, you should
implement section targeting as it will help increase your CTR
and therefore revenue.
Implementing Section Targeting
The actual implementation of the section targeting is the same
for both emphasising and de-emphasising content, but the starting
tag is different. Please note that basic understanding of HTML is
recommended for this.
To emphasise parts of your content, the following tags are used:
<!-- google_ad_section_start -->
RELEVANT CONTENT
<!-- google_ad_section_end -->
Whereas to de-emphasise parts of your content, the followin are
used:
<!-- google_ad_section_start(weight=ignore) -->
NON RELEVANT CONTENT
<!-- google_ad_section_end -->
As you can see it is very simple to implement section targeting.
However just to clarify the correct use of section targeting,
here's an example.
<html>
<head>
<title>AdSense Optimization: Lesson 3 - Section Targeting</title>
</head>
<body>
<strong>Background Information</strong>
<!-- google_ad_section_start -->
One of the main reasons for the success of the Google AdSense program
is due to it's ability to serve up related adverts to websites. This is....
<!-- google_ad_section_end -->
<!-- google_ad_section_start(weight=ignore) -->
<p>As I side note, I'd just like to say that I love playing guitar.
I've been playing guitar for the last 5 years blah blah blah... :) </p>
<!-- google_ad_section_end -->
</body>
</html>
Make sure that a sufficient amount of content is enclosed within
the section targeting HTML comment tags as otherwise it may lead to
irrelevant ads or even public service announcement ads being shown.
Things That You Should Note About Section Targeting
- You can use as many section targeting HTML comment tags on
a page as you want - but make sure you place enough content within
each pair of tags to avoid the possibility of decreasing relevancy
of the ads shown.
- Section targeting does not insure that the relevancy of the
ads shown on your page will be improved as this depends on the
content that you have enclosed within your HTML comment tags.
However it should in most cases with the correct implamentation.
- According to Google it can take up to 2 weeks for their
crawlers to take note of any section targeting you have made.
- Section targeting should only be used to increase the relevancy
of ads displayed on your page. You should not use it to try and
display non-relevant ads (e.g. ads with higher payout) on your
webpages for your own benefit as it is against their program
policies.
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