Chitika is another PPC adnetwork which pays you well like AdSense. But problem is they accept only sites which get traffic mainly from USA and Canada. Also they pay for only organic traffic. So if your site gets loads of search engine traffic from USA and Canada, Chitika is a great way to earn money online. Chitika PPC very good while CTR is known to be low. Also Chitika won't work for all sites since they take traffic only from USA and Canada and even that has to be from search engines. Still if you have Organic traffic from USA and Canda better sign up and try to earn money online using Chitika.

Difference between Chitika and AdSense is, AdSense puts everything into displaying content relevant ads while Chitika scasn the search strings which were used to enter the website. So user see ads about what they searched in search engines. Even Google now experimenting this method. Referring publishers who use any of the PPC programs will earn you 10% of the cost per click revenue that your referrals earn for 15 months.