The prices are negotiated on a cost per thousand impressions, so the advertiser isn’t paying based on uptime or even dimensions. Instead, they’re paying for the amount of times, in thousands, that their ad is seen. To have your own DSP, you don’t necessarily need to build it from scratch https://cpm-custo-por-mil20753.canariblogs.com/testes-a-b-uma-visão-geral-43898024