You could imagine using a special filter to pass your html/css/js though that applied a special transformation that you could later on try to recognize. Perhaps

You could imagine using a special filter to pass your html/css/js though that applied a special transformation that you could later on try to recognize. Perhaps it renames all of the variables with some pattern or from some dictionary that you could later try to use to see if the code matched the pattern. This is along the ideas of stenography.