A novel method of application enabling of a web page at least includes: a) via a World Wide Web browser, connecting to a website targeted for application enabling; b) generating browser-compliant end-user code for the rendering of a web page on an end-user device; c) rendering a web page associated with the website; d) providing the website source code; e) via a graphical user interface (GUI), providing on a rendered web page, locations in the end-user code corresponding to sections or aspects of the rendered web page selected by the user; f) via the GUI, providing application enabling code to be inserted at the locations identified in element e) according to an action chosen by the user corresponding to a third party application to be enabled in the website; g) automatically mapping code locations selected in element e) with corresponding locations of the website code; and h) inserting the code of element f) into the corresponding website source code locations is of element g); wherein the code of element f) enables a third party software application adapted to modify the functionality of the website.