I wouldn't say SEO is a major hurdle, there is prerender.io (http://prerender.io/getting-started#ruby http://prerender.io/getting-started#ruby) and countless ot

I wouldn't say SEO is a major hurdle, there is prerender.io (http://prerender.io/getting-started#ruby http://prerender.io/getting-started#ruby) and countless other services which help (I made one).