930_3bdcc5f9_139445_{yoursubpublisherid}

You might see that your campaign is profitable overall, but without sub-ID tracking, you won't know that 80% of your profit is coming from just one specific placement.

Below is a draft for a technical blog post explaining how to use such identifiers effectively. 930_3bdcc5f9_139445_{yourSubPublisherId}

But what does this string actually do, and why should you care about the {yourSubPublisherId} placeholder? What is a Sub-Publisher ID? You might see that your campaign is profitable