Site object

Last updated on April 18, 2017

If the available impressionA single display of an ad on a web page, mobile app, or other delivery medium. For deals, impression is a metric to relay the total number of ads that have served. See also billable impression, forecasted impressions. is on a website, Ad Exchange may include a SiteAn OpenX component that represents top-level domains or subdomains and is used to organize ad units. Sites enable you to target and report on inventory performance. object to describe the website.

A BidRequest can only contain a single Site or App object, not both.

A Site object can reference the Publisher object and the Content object.

Site object

Field name Data type Description Sent?
cat array (string)

The list of IAB content categories that apply to the site

For details, see the IAB's OpenRTB 2.5 specification.

domain string

The site domain (e.g.,, which maps to the domain of the bid requestWhen OpenX Ad Exchange receives an ad request, it sends a communication containing details about the impression to selected real-time bidders to solicit bids for it. URL

ext Extensions object

An object containing properties that describe custom fields related to this site

id string

The ID for the site associated with this inventoryAd space available on a website or app. The basic unit of inventory for OpenX is an ad unit. purchase




Indicates whether the site has been programmed to optimize layout when viewed on mobile devices

  • 0 = False

  • 1 = True (The site uses responsive web design.)

page string

The URL of the webpage where the impression will display

publisher Publisher object

An object containing properties that describe the publisherAn account type that represents a business with ad space to sell. of the Site or App for this impression opportunity

ref string

The referrer URL that navigated the end-user to the current page


Additional publisher enrichment fields

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