CPC

The costs (Cost per Click) for each time a user clicks on and add. CPC can vary greatly for different ads on different sites. This is because not every click is worth the same. Targeted traffic from related sites are worth more than random visitors. Nowadays most advertising and CPC goes through advertising networks. On the bigger advertising networks like Google and YSM the system automatically selects related sites to advertise on and calculates the lowest pricing for the advertiser to win from the competition.