Navigation system on the infinite scroll

Systems and methods for providing efficient navigation tools for an infinite scroll user interface are provided. One example method includes providing at least a portion of a set of content items, the set of content items including a plurality of previously displayed content items that have previously been displayed and one or more currently displayed content items. The method includes storing user engagement data for each content item. The method includes displaying a navigational tool that enables the user to access the plurality of previously displayed content items. The method includes automatically selecting previously displayed content items based on the user engagement data. The method includes presenting one or more content markers associated with the automatically selected one or more previously displayed content items.