User influenced asynchronous module definition loader

Embodiments relate to prioritizing the loading of a portion of a web page based on a user designation. An aspect includes providing a user interface for controlling page loading. A user selection of a portion of a web page is received at a server for priority loading. Accordingly, the loading of the portion of the web page is then prioritized based on the user selection. Embodiments further disclose measuring page loading analytics for a plurality of users. The loading of a portion of a web page may be prioritized based on the measured page loading analytics for the plurality of users. Responsive to subsequent page accesses from one of the plurality of users, the prioritized portion of the page is loaded.