Software that maximizes resource usage efficiency for dynamically delivered content by performing the following steps: requesting, by one or more processors on a client computer, HTML data from a server computer, the HTML data pertaining to a first webpage; receiving, by one or more processors on the client computer, the requested HTML data pertaining to the first webpage, the HTML data identifying a plurality of first webpage components associated with the first webpage; determining, by one or more processors, to combine requests for at least two of the plurality of first webpage components into a first bundled component request, where the determining is based, at least in part, on the received HTML data and a set of client computer characteristics pertaining to the client computer; and sending, by one or more processors on the client computer, the first bundled component request to the server computer over an asynchronous data connection.