CPL, or Cost per Lead is another online advertising model used by organizations which are interested in investing money for lead generated. ... CPA (Cost per Acquisition / Cot per Action) and CPL (Cost Per Lead) are generally used interchangeably, but Cost per lead advertising method is considered more specific.
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.