I use Shortcat all the time which relies heavily on the accessibility tree. Screen readers / accessibility tools don't use the semantic web. The semantic web d

I use Shortcat all the time which relies heavily on the accessibility tree. Screen readers / accessibility tools don't use the semantic web. The semantic web doesn't exist, it refers to the Tim Berners-Lee vision of documents being XML or RDF data structures with schemas, transformed into pixels using stylesheets and XSL:T. It never happened for various reasons.