Systems and methods are described for providing an interface and implementing rules and metrics received from the interface regarding the selection of sponsored content networks that provide sponsored content items. This may include providing mediation code to a publisher for inclusion in publisher content provided to a user device, the mediation code associated with a table of sponsored content networks, receiving an image of a sponsored content item and a sponsored content network identifier from the user device, analyzing the image of the sponsored content item, the analysis generating extracted image data from the sponsored content item, categorizing the sponsored content item based on the extracted image data and the sponsored content network identifier, receiving an instruction to filter the sponsored content networks exceeding a metric based on a category, and updating the table of sponsored content networks to remove a particular sponsored content network.