I decided to perform a test to consider replacing Google ads on one of my sites with affiliate advertising. I picked an ad I considered to be close to the market. I did however replace the ad in the middle of the page and not the top ad. I did this just in case the change may damage my excellent traffic in Google. Here is what I found.

Tested changing the wording on my dictionary site from Australian Dictionary to Dictionary Australia from an SEO perspective to see the change in Google positioning. Here is the result.