AdSense Revenue = Ad Impressions x Click-Through Rate x Cost Per Click x Smart Pricing Factor
Ad impressions are based on your website traffic and represent the number of times Adsense ads are displayed.
The click-through rate is the number of clicks on ads divided by the number of ad impressions, generally ranging from 0.1% to 30%, with most falling between 1% and 10% (Translator's Note: The click-through rate for Chinese ads tends to be lower, with an average of about 0.2% in mainland China).
Cost per click is the revenue generated per click, which is usually determined by the amount advertisers pay per click.
Smart pricing is Google's system for evaluating the value of advertising on your site. If the proportion of users clicking on ads on your site who then go on to make a purchase is low, you will only receive a lower income.
Applying for the Adsense program through blogger.com can result in faster account approval.
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