I am trying to rank my site higher in google to increase my traffic and adsense revenue. I have a site that is now almost two years old it has a PR 5 and gets only average traffic, it is indexed and I am trying to increase not only the traffic but the CTR, the content is good and unique it has regular updates with fresh content, it has lots of back links and is optimized, How can I increase the traffic and adsense revenue and the index ranking in google without too much alteration to the site. It has on occasion hit the first page in google but then bounces back down to page 2,3 or 4.
You can add site to social bookmark sites. You can come up with some new keywords that your site will be on first page in search results. No way to give any specific advice we do not know site or keywords so hard to tell you what to do.
CTR may be highered by ad placement and colors.. do you have a link to your site that you'd like to share?