Abstract: Methods, systems, and computer programs are presented for improving search mechanisms for guest users or unidentified members of an online service. One method includes operations for detecting a first search query for a guest user and for initializing a session for the guest user in response to the first search query. Further, the method includes operations for logging activities of the guest user during the session and detecting a second search query on the online service for the guest user while the session is active. Results are obtained in response to the second search query, and the results are prioritized based on the second search query and the activities logged of the guest user. Further, the plurality of results is presented on a computing device of the guest user.