There is a very large presence over at Mastodon when it comes to people well versed in web standards. The public discussions are often very lively (in a good way).
https://mastodon.social/@firefoxwebdevs
https://front-end.social/@piccalilli
https://mastodon.social/@davatron5000
https://indieweb.social/@addyosmani
https://front-end.social/@jensimmons
https://mastodon.social/@adactio
https://zachleat.com/@zachleat
https://front-end.social/@chriscoyier
https://front-end.social/@AmeliaBR
https://front-end.social/@rachelandrew
But happy to follow those accounts.