1. A method comprising: accessing a first electronic content, the first electronic content including a first actuatable element specification including first executable instructions; accessing a second electronic content, the second electronic content including a second actuatable element specification including second executable instructions; and determining whether a correspondence exists between the first actuatable element specification and the second actuatable element specification, the determining of whether the correspondence exists including: determining whether the first executable instructions are substantially equivalent to the second executable instructions, the determination comprising: determining whether a first normalized representation of the first executable instructions is substantially equivalent to a second normalized representation of the second executable instructions; and storing a verified correspondence in a correspondence data structure when a correspondence between the first actuatable element specification and the second actuatable element specification is affirmed.