How to Read site, app, and imp

Purpose

This document explains how to interpret the site, app, and imp objects when first reading OpenRTB requests.

Key Takeaways

imp represents the actual ad opportunity.
site represents web context, while app represents app or CTV app context.
In general, a request uses either site or app, not both together.

Data Structure View

Draft Structure

1. `imp`

represents the ad slot or opportunity
connects to banner, video, native, or other format definitions
this imp is a request-side object and is different from the runtime impression event

2. `site`

represents website or mobile web context
connects to domain, page, and publisher information

3. `app`

represents app or CTV app context
connects to bundle, store URL, and app publisher information

Prerequisite Concept

What Is OpenRTB