Cost per mille: differenze tra le versioni

=== Pro<ref name=":0">{{Cita web|url=https://www.ezanga.com/blog/how-to-pay-for-digital-advertising-the-pros-and-cons-infographic|titolo=How to Pay for Digital Advertising: The Pros and Cons [Infographic] - eZanga Blog - eZanga.com|sito=www.ezanga.com|accesso=2021-02-14}}</ref><ref name=":1">{{Cita web|url=https://pingler.com/blog/pay-per-click-or-pay-for-impressions-which-is-best/|titolo=Pay Per Click or Pay For Impressions - Which is Best?|sito=Pingler Blog|data=2012-11-25|lingua=en-US|accesso=2021-02-14}}</ref>: ===