CPA (KOSTEN PRO AKTION) OPTIONEN

CPA (Kosten pro Aktion) Optionen

A good rule of thumb for programmatic ad cost: the more niche your audience, the higher CPM you will pay.Www servers, serving dynamic content, waiting for slow responses coming from back-end computer(s) (e.g. databases), maybe because of too many queries mixed with too many inserts or updates of DB data; hinein these cases web servers have to wait

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