Adsense is the most sought after monetization option for bloggers and forum owners. However, getting approved by Adsense is very difficult and even so is earning money with Adsense. Even though Adsense is the most preferred monetization method, most people struggle to make money with Adsense. The main reason is traffic. Even if you have traffic, sometimes your earning is very poor and the main reason for this is your site gets low paid ads and your cost per click on ads is very low. If you want to earn better you need to use high paying keywords, what are the keywords that pay high?