I was a little puzzled by that passage - while it might be true that the content on single-page sites would be harder to crawl &#x2F; preserve, most of those apps aren&#x27;t really about content, per se. And most sites that are have some kind of SEO-friendlier slug-based routing that shouldn&#x27;t really be any harder to consume than a flat, static site, I&#x27;d have thought. Not to mention that now sites expose their sitemap.xml, JSON-LD, etc. that should make the job of putting the pieces back together easier than in the Good Old Days this article implies we have left forever...