More CTR (Click Thru Ratio) means more clicks on your Google Ads. But, is CTR all about position and colors of your ads? No! It's a lot more than that. CTR also depends upon the quality of traffic, relevancy of ads, and even the subject of your website. Let's get in detail:Do you own a High CTR website?Yes! CTR varies from Industry to industry too. It depends upon the keywords you are using to make your web page. It has been observed that more technical the topic is (but not necessarily) less CTR it will give you (for example Search Engine Optimization, Affiliate Network - exceptions are always there), but still works if the Ad content is well written.
However, this is only one condition; there are many undiscovered conditions that affect the CTR of keywords. At times, a particular season also has an effect on the performance of keywords. For example family of 'Turkey recipe' keyword is more active around November and December only and a quite sluggish rest of the year. It becomes really necessary to study the behavior of keywords before starting a massive website of Adsense around a topic. Your Ad Position and Color: Old, but very effectiveGoogle heat map helps improve the CTR (Clicks Thru Ratio) of your website by suggesting you the most converting areas for your Adsense Ads. You can have a glance at the Google's Survey that illustrates the ideal placements of ads on your web page.
https://www.google.com/support/adsense/bin/static.py?page