Over the last 5 years or so our income from AdSense has gone down something like 70%. A major reason seems to be a precipitous drop in CTR.
When looking at our analytics data, we noticed a year to year regionalization of our website, with more and more visitors coming from the country the content is about. Nevertheless, our content offers only English content, and is mainly intended for international visitors.
Since we think a major reason for a drop in CTR is the changed balance of the type (country) of visitors we have, more from Asia in general, and less of U.S., U.K. and European countries, possibly it is useful for us to 'deregionalize' our showing up in Google search results. We know that you can set a preferred region in Google webmaster tools, but somehow we never attempted that. Would there be any benefit to target visitors away from Asia, and are there any other ways of deregionalizing search results?
