Whether you choose to sign up on a DSP or hire a programmatic ad agency will depend on your budget and other factors. Publishers set up a waterfall in their ad server, starting with the demand source that will likely produce the highest CPMs down to the lowest. Ieder-impression buying: https://kostenperduizendcpm47665.blog-a-story.com/8131353/de-anderen-helpen-de-voordelen-van-klikfrequentie-ctr-realiseren