Hi, I have one account of Adsense. on how many website i can use this account? I am using it on around 4 websites and 2 blogs... but results are so slow. also The ad is displaying in one same format.... how can i change them according to website with different design on each site?
You Can use them as many as u Want to Show And create New ad For A Separate site and use channel for every site to track earning
You can use one account on as many as sites you want . I think you must go to help sectiion in your adsense account or read this website for other adsense setting tips . http://www.adsenseguide.info/
i agree with loveneverdies create channels to track your earnings. To accelerate your adsence earnings you need to get in top search results for your main keywords especially in Google, please choose the high search volume keywords so that you can get maximum visitors towards your website which will increase your CTR and your overall earnings per day.