Sites are a way of grouping ad units for targeting and reporting and are not inventoryAd space available on a website or app. The basic unit of inventory for OpenX is an ad unit. themselves. Sites live under publisherIn OpenX, an account type that represents a business with ad space to sell. accounts, and you can define as many sites as you want; however, creating more than 500 sites can affect the performance of the OpenX product you are using. See how sites relate to other OpenX objects in the diagram below; they are under Publisher Account.
If you're an OpenX Ad ServerA complete digital advertising platform where publishers sell, manage, and deliver their advertising inventory across all digital formats. user and you'd like to see an overview of how sites relate to OpenX Ad Server as a whole click here or the image below.
Sites contain ad units. For OpenX, a siteAn OpenX component that represents top-level domains or sub-domains and is used to organize ad units. Sites enable you to target and report on inventory performance. is a way to organize your ad units. Grouping your ad units by site makes it easier to find them, target ads, and report on your inventory performance. Sites can only be created under publisher accounts.
Note: Some ad tech platforms group their ad units using a hierarchy of ad units rather than sites.
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