The invention relates to a method and apparatus for regenerating portions of the page that have changed and transmitting only those portions to the client for display. In one aspect, the invention relates to a method for partial page regeneration of a transmitted page by a server. The method includes receiving page generation code that generates a page, transmitting the page to a client for display, associating a portion of the transmitted page with a fragment of the page generation code, and executing the associated fragment of the code to regenerate the portion of the transmitted page. In one embodiment, the method includes transmitting the regenerated page portion to the client for incorporation into the transmitted page.