The present disclosure is directed to systems and methods for analyzing content audience by generating respective encoded links for content publishers, determining, for each content publisher, statistics related to user interactions with encoded links, and providing user-specific or aggregate information based on the statistics. The server of a content audience analysis system receives multiple interactions with encoded links generated by the content audience analysis system and linked to resources of a first content publisher. The server may identify from the multiple interactions, multiple cookies assigned to unique client devices. The server may identify second content publishers having resources that were accessed by the client devices corresponding to the multiple cookies via encoded links generated by the server. The server may provide to the first content publisher, data corresponding to the second content publishers having resources accessed by client devices that also accessed the resources of the first content publisher.