Ask HN: How do you keep track of web standards and best practices?

I was working on setting up my own personal website (nothing terribly complicated, just GH Pages - no DNS stuff, no JS) and, since I read HN pretty regularly, thought it'd be a nice way to apply some of the stuff I've seen crop up about best practices and new standards and so on.

The thing that I realized though, is that I have no idea what best practices and standards are and I have no idea where to even go to figure that stuff out.

Yes, places like MDN and CSS-Tricks are godsends, but I'm talking about stuff like favicons[0], service workers[1], meta tags for Google/FB/Twitter, and more stuff that I don't know about (or know about and forgot already).

I recognize that HTML5, CSS3, JS5/ECMA2016 are only the latest standards and that this stuff is always in flux, but surely there's got to be some better way to find this than Googling and hoping for an article or blog post in the past few months (or years, in which case hopefully the state of <blank> is still sort of the same[2]).

Hence the question: how do you keep track of what the latest standards and best practices are?

[0] From 2014: https://css-tricks.com/favicon-quiz/ [1] https://developers.google.com/web/fundamentals/getting-started/primers/service-workers [2] And then what if it's out of date? Like kangax's article on named function expressions?