How to debug the resource path on a page in CQ5

You want to debug a page quickly but each time you have to go to templates and components or may be you have to inspect the dom elements just to know where the resource appearing on a page reside. If that is your problem then there is a quick solution for this. Just append a parameter to any page debug=layout. 

So, for example, in geomatrixx page this how the URL should look like.