Single-page web apps are awesome, but lack a native implementation for analytics engines. With a little work, Ember can give you the analytics you want.
The "not set," "not provided," and "content targeting" meta keywords in Google Analytics are often confusing, but they indicate very specific situations.
There is often confusion about sitemaps, how they are implemented, and how they can be best leveraged with search engine tools for search engine optimization (SEO).