A remote browsing process is directed to the generation and management of a collaborative application session between client computing devices and content providers in conjunction with a network computing provider. Each of two or more client computing devices are associated with users. The client computing devices request access to a browsing context at a network computing provider. The network computing provider provides processing results corresponding to processed representations of requested content to the client computing devices. The client computing devices may each display the representations of the requested content in a browser. The network computing provider may further provide co-interaction data to the client computing devices for display. The co-interaction data may represent interactions of one or more users with the representations of content displayed at the users' respective client computing devices.