The invention permits assembly of Web pages for display, to include text elements received from discrete network locations, and permits independent update of individual text elements of a Web page without reassembling the entire Web page, and permits independent update of all types of page elements without a client side agent other than a browser. In one aspect of the invention, a browser at a client device updates the display of a Web page containing at least one first element by transmitting a request to a server for a second element that is related to the first element, receiving the second element, and then displaying the second element with the Web page, without reassembling the Web page. In another aspect of the invention, the transmitting, receiving, and displaying are accomplished without a client side agent other than the browser.