Beyond Keywords: Increase Your Google AdSense Revenue
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This two-part article series explains how to maximize your revenue from Google AdSense. You should have read the first part already, as it discusses the selection of keywords for AdSense success. This time, we'll go beyond analyzing keyword-related issues and suggest other ways to increase Google AdSense revenue.
AdSense banner location and CTR
The probability theory states, suppose there are "y" links in the web page, and there are "x" number of clickable banners. Then the probability of a banner being clicked is:
Probability = x/y
Of course, the only way to ensure 100% banner clicks in a web page is to replace all of the ordinary links on a web page with banners, WHICH IS NOT POSSIBLE according to Google's AdSense policies.
According to the policy, you are allowed a maximum of three AdSense ads per page. Therefore, to maximize the clicks, you need to utilize the maximum three ads per page, if possible.
However, depending on your layout, using the maximum number of allowable ads might clutter a page. So you will need to add more content (500 words minimum per post), so that content will still receive more emphasis as opposed to the ads.
The purpose of adding substantial content is to let Google AdSense provide highly related ads with respect to your content. Of course, if your post contains a smaller amount of content, Google cannot properly provide targeted ads, which can affect your click through rate.
These things happen often, and no matter how many ads you put in the page, if they do not fit the content (i.e. they are not properly targeted), visitors to your website find the ads to be unrelated, and will not be interested in clicking on them.
With respect to SEO, adding substantial content is beneficial because it decreases the percent of similarity of each post, preventing possible duplicate content issues. Of course, the page looks more trusted and authoritative if it contains a substantial amount of original/quality content in the page.
The more content your site contains, the higher the amount of indexed content. This higher amount of indexed content will increase the chances of getting long tail traffic from search engines.
Please note that there is no perfect location for banners. It depends on your website layout and content structure. However, if you use blogging software that loads the content slowly (which you can't correct), then the topmost portion will be shown to visitors first. Placing the ads in the header section can get you a higher number of clicks. This is particularly true if users lose patience in waiting for the page to completely load.
You should experiment a lot with making the AdSense color background consistent with the web page colors. Experimentation is necessary, as sometimes you can get a low number of clicks for AdSense banners consistent with background. But there are also times when the AdSense banners and web page colors match, and you can get high AdSense clicks.
It is recommended that you observe your results over a two-month period. For example, in the first month, use AdSense banners matched with your web site's background color, and in the second month, use ads that contrast with it.
You can distribute the three AdSense banners with one in the header, one in the sidebar and one in the footer. Or you can put two in the header and one in the sidebar, as shown below (encircled in blue):

As a short guide, Google shows an example of how you can place some ads in the top and footer section of your website:
https://www.google.com/adsense/static/en_US/Banner.html
Next: Blocking irrelevant Google AdSense ads >>
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