FWIW 'isomorphic javascript' was pretty much supplanted by 'universal javascript' last year per this medium post [1]. You might consider changing the copy.
Edit: At the very least Dan Abramov (Redux creator) is ok with universal [2]
[1] https://medium.com/@mjackson/universal-javascript-4761051b7a...
[2] https://github.com/gaearon/react-redux-universal-hot-example