There's still some attempt being made, for example with json-ld[1]. Ultimately any kind of microdata has the same problems that OpenGraph or ye olde meta keywo

There's still some attempt being made, for example with json-ld[1]. Ultimately any kind of microdata has the same problems that OpenGraph or ye olde meta keywords etc. tags did, GOOG and Co. need to parse the human-readable content to confirm any extra data for bots is not a trick. Which tends to encourage them to just ignore it, at best it's a slightly more structured version of what they're scraping from the page, at worst it's a lie. 1: https://json-ld.org/ https://json-ld.org/