Interesting study from link posted by "insidetheKH" - thanks.
I suspect that the Mormon's don't really care much about JWs or waste much time copying their methods. Why would they? - it is generally speaking a pretty amateurish organisation on lots of levels. But conversely , the Society do seem to have copied a lot of Mormon ideas - "family study evening" etc.
The JW.org website looks very similar to Mormon.org. I showed a website designer who works for my company the two sites and he looked at some of the embedded code & was convinced that the WTBTS had copied some of the functionality and coding from the Mormon site. Apparently it is very common in website design & very difficult to categorically prove - all you do is change a line of coding here or there. Nothing new there of course , as the Society have pinched artwork from Christendom for years.