Run On Site (ROS) is a ad targeting criteria that allows to target ad impression only for given sites. The ad is targeted at specific domains/publishers in the ad network.
The Run-on-Network targeting criteria can be seen as the opposite of Run-on-Site allowing an ad to run on the entire ad network
Pro / Cons
- You generally cannot choose the exact pages but you can tell that an ad can show up only on a site.
- A Run-of-Site targeting is more expensive than a Run-of-Network