Now you can target your AdSense ads better using the new feature from Google AdSense. It’s called Section Targeting, which described below (source):
Section targeting allows you to suggest sections of your text and HTML content that you’d like us to emphasize or downplay when matching ads to your site’s content. By providing us with your suggestions, you can assist us in improving your ad targeting. We recommend that only those familiar with HTML attempt to implement section targeting.
To implement section targeting, you’ll need to add a set of special HTML comment tags to your code. These tags will mark the beginning and end of whichever section(s) you’d like to emphasize or de-emphasize for ad targeting.
The HTML tags to emphasize a page section take the following format:
You can also designate sections you’d like to have ignored by adding a (weight=ignore) to the starting tag:
With these tags added to your HTML code, your final code may look like the following:
This is the text of your web page. Most of your content resides here.