CPA is the opposite process and type of program as compared to cost-per-impressions model ([[CPM]]), while the cost-per-click ([[CPC]]) model is somehow between these types of advertising payment models. Even if the CPA programs are highly popular these days, risks are also involved because the commission are dependent on great conversion rates from the advertiser's website. There are plenty of differences between these three popular online advertising campaign models, but also some similarities such as their main goal and purpose: to attract more customers, increase customer's awareness and earn money form online businesses. <ref>[http://www.marketingterms.com/dictionary/cost_per_action/ CPA, CPM and CPC]</ref> | CPA is the opposite process and type of program as compared to cost-per-impressions model ([[CPM]]), while the cost-per-click ([[CPC]]) model is somehow between these types of advertising payment models. Even if the CPA programs are highly popular these days, risks are also involved because the commission are dependent on great conversion rates from the advertiser's website. There are plenty of differences between these three popular online advertising campaign models, but also some similarities such as their main goal and purpose: to attract more customers, increase customer's awareness and earn money form online businesses. <ref>[http://www.marketingterms.com/dictionary/cost_per_action/ CPA, CPM and CPC]</ref> |