In additional to putting restrictions on any individual ad, you can put restrictions on any zone or campaign. The evaluation process follows these steps for an example of ad A linked to zone Y,Z and Campaign C,D:
- Restrictions for ad A are evaluated first
- If this is in a zone serving code (choose ads from zone Y), the restrictions for zone Y will be evaluated next
- If this is the direct serving code only for ad A, no zone restriction will be considered
- Last, the system will evaluate all parent campaigns for ad A, meaning restrictions for campaign C and D will be evaluated
- At any step the evaluation fails, the system will skip this ad and look at another ad in the rotation
Some examples for zone/campaigns restrictions:
- Campaign D has a maximum limit of 10,000 impressions per month for several asssigned ads
- Zone MacSection targets visitors running operating system MacOS, you don't need to put restriction on each ad linked to this zone.
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