At least 5000 pageviews a month But one thing you need to understand with Adsense is that traffic is not the main indicator of how much you can earn from the site. I know of sites that get 1 million pageviews a month earn only $500 from Adsense but a site that gets 100,000 a month (or 1/10 the traffic of the first site) earning $20,000 a month. If the first site was using banner advertising paying through CPM, then the first site with the 1 million traffic will earn so much more. But Adsense is different. Your earnings depend on: – the topic of your site (if you have high paying keywords you stand to earn more) – responsiveness of users to ad (are visitors coming to your site with blinders in their eye or do they look at the ads as additional complementary resource) – traffic (you earn more with more traffic, even if you have low paying keywords or other metrics) – how you implement the ads on your site (some positions and colors work better than others) In addition to trying to get more traffic to your site, carefully consider the topic and how responsive are audiences to the ads.
For example, you create an MP3 review website. The traffic you will attract are those looking to buy MP3s — which means they are actively looking to spend money which is the market segment that advertisers look for. Hence, advertisers will pay more to get shown on this type of site, and the CTR is so much higher because your visitors will read your content of MP3 review but be responsive and click on the ads shown the site selling MP3 players.
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