CPC-Cost per click (CPC) advertising is a very popular strategy where the ads with the highest bids are placed onto a content related website. CPC is the amount paid every time someone clicks on an advertisement. CPA-Cost per action (CPA), also known as pay per action (PPA) and cost per conversion, is an online advertising pricing model where the advertiser pays for each specified action CPL-Cost per lead, often abbreviated as CPL, is an online advertising pricing model, where the advertiser pays for an explicit sign-up from a consumer interested in the advertiser’s offer. CPV-Cost Per View, or CPV, this term is mostly used for video advertising is a method of charging for video advertisements based on the number of views or interactions an ad receives and in most cases just means the amount you pay to get someone to watch your video CPM/CPI-Cost Per Impression is an Internet advertising model used on websites, in which advertisers pay for the number of times an ad is show regardless of whether it is clicked on or not