A method for the editing of web pages by selectively providing editing logic and data that associates portions of the page with data sources used to provide the portions. Identical pages are provided to both editors and non-editors, preferably by retrieving and viewing the page in a browser. The editor can use the editing logic to edit the displayed page. The invention uses the associating data in order to update data sources used to provide the web page in accordance with the edits. The use of associating data by the invention supports functionality that allows for updating of a wide variety of data sources with potentially complex relations to the provided web page.