This happens because each Site has different type of contents.

When our Staff proceed with your Site approval, a set of categories taken from the Interactive Advertising Bureau (
IAB Quality Assurance Guidelines) guidelines is associated with each of your Sites.
The content categories represent a parameter to pair your site Audience with the available campaigns. Indeed Sites with different contents show different campaigns.

This is how Viralize guarantee to show only campaigns relevant to your target audience as requested by our Premium Buyers Network and maximize revenues.