Try viewing meta.discourse.org without Javascript on then look under the hood - it's a pretty easy problem to solve with some <noscript> tags. Other approaches use PhantomJS to create a "rendered" copy that is accessible to primitive clients/scrapers.

> Other approaches use PhantomJS to create a "rendered" copy that is accessible to primitive clients/scrapers.

Then your site does not require client-side JS support.

The point is not about what technologies you use to produce documents, the point is what data you [can] serve.

It wasn't mentioned because that particular fallacy has already been beat to death.

Take a look at Discourse or Bustle. They're pure Javascript apps that are still SEO-friendly.

No one said it can't be done, but it's far from trivial, hence my surprise in its omission.

And the Phantom.js approach mentioned below seems more like a workaround to me than a solution