I saw this posted on LinkedIn[1], where the author wrote:

> I got tired of pointing at six different sources to back a single recommendation. WHATWG for HTML. WCAG for accessibility. IETF for headers. schema.org for structured data. MDN, web.dev, Google Search Central for everything else.

> There was no single, opinionated, platform-agnostic spec for "what does a modern website actually need to do?"

> So I wrote one.

[1] https://www.linkedin.com/posts/jdevalk_the-website-specifica...