These are some ways which will help you to increase CPC of Adsense:
1. Choose Higher Paying Niche: Choosing a right niche for your blog is really very important. CPC directly depends on the topic of your blog you are writing about. These are some high paying niches that can give you a big return.
Blogs on Internet Domains Like Yahoo, Go Daddy, Hostgator etc. It pays highest CPC.
Tech Gadgets like Apple, Android, Blackberry products
Google Products and services
Banking
Automobile
2. Improve quality of content: Content is also equally important. As we know that Google scans the website and then show the ads depends on the content of your blog. So try to optimize your blog with better keywords which pays high. You can also use Google Adwords tool to find high paying keywords.
3. Page Rank: Many people thinks that Google Page Rank do not affect Google Adsense earnings. But there is a fact that high ranking website gets better CPC than the lower ranking website. If you have page rank higher that 3-4, you will see better CPC. your CPC will automatically increase from 10 cents to 40+ cents. So always try to improve the page rank of your blogs as CPC directly depends on higher Page Rank.
4. Country wise targeting: This is also the most important fact which directly affect the CPC. For example a click on an ad from USA can pay you up to $2 to $3 and click on same ad from India can end up paying only 20 to 30 cents. So you should try to target the blogs for the readers from English speaking countries.
5. Proper ads placement and format: Never ignore this when adding adsense units to your blogs. Actually some place are best for text/images ads but some places are only best for images only ads. So you should do some experiment on your adsense earnings by chaining the ads placement and ads format in your blogs. And see which ad format at which place is performing best. Then use ads according to the best result obtained by the experiment.
