Unfortunately Facebook, Twitter, slack, and others can not ... Yet?

Maybe that's not directly SEO but it is indirectly. Good open graph data makes links, at least on Facebook, arguably more compelling which makes them more likely to be clicked and/or shared which may lead to better SEO

I don't think any "physical web" scanners do right now unfortunately, for example https://github.com/dermike/physical-web-scan (or search for mobile apps called "physical web"). This completely banjaxed my attempt to make an all front end internet beacon recently.