INTELLIGENT EDITING OF WEB PAGES IN A WEB BROWSER

Computer-implemented methods for intelligently refreshing a web page edited within another web page in a web browser are provided. In one aspect, a computer-implemented method includes receiving a request to edit a web page within a web browser, and providing, for simultaneous display within an editing web page in the web browser, a rendering of the web page to be edited and editable source code of the web page to be edited. The method also includes receiving an edit to the source code of the web page to be edited within the editing web page, determining when to refresh the rendering of the web page being edited based on the edit to the source code of the web page being edited, and controlling the refresh of the rendering of the web page being edited based on the determination. Systems and machine-readable media are also provided.