i think he try to ask that how many websites we use 1 adsense code plz correct if i m wrong answer is you can use 1 adsense ads code as many website as you want
Ahh! I see. Yes you can use the same code on as many sites as you want, provided that they all comply with the TOS and the adsense website quality guidelines. It's why you only ever need one adsense account, and why I've no time for people that post they have half a dozen - why????? They only ever need one, having two is an automatic ban...
Ok fine, If I have hosted adsense account and I want to upgrade for the website means in hosted account ads does not show in .com domain except blogger. So what I should do for the upgradation?