Methods described herein include prefetching information for a future visitor to a webpage or other resource. Prefetching the information can allow a provider to customize the webpage or resource with reduced latency. The methods can include notifying an experience provider associated with an advertisement prior to the user requesting the webpage or other resource. The notification can provide identification information corresponding to the client device or user. The notification also indicates that the client device or au user is about to be directed to the webpage or other resource. The notification can allow for retrieval of profile information associated with the identification information prior to the direction of the client device to the webpage or other resource.