A client computing architecture is provided that utilized minimal download and simulated page navigation features. A client computer may receive a payload comprising delta data in response to a navigation request for an electronic page. The client computer may further parse the delta data for the electronic page, update page contents for the electronic page based on the received delta data, determine whether one or more errors are associated with a page load process for the electronic page, manage a fragment identifier portion of a uniform resource locator (URL) to track a current location in a navigation of the electronic page, and intercept one or more navigation click events to ensure a minimal download strategy navigation.