Thanks for this article!

The presented ideas can be taken further to cover the entire navigation of a “single page application”, as explained by Heydon in Reimagining Single-Page Applications With Progressive Enhancement

While on the topic of tabbed panels, maybe the panels and panelsets proposal is interesting in this context?

I’m not an accessibility expert, but as far as I understand screen reader users might expect a bit more keyboard support than Tab and Enter when confronted with @role=“tabpanel”@, as suggested by [ARIA Practices](http://www.w3.org/WAI/PF/aria-practices/#tabpanel).