zlacker

>>Jeanne+(OP)
Your HTML already has semantic meta elements like author and description you should be populating with info like that: https://developer.mozilla.org/en-US/docs/Learn/HTML/Introduc...

>>qbasic+Ol
and also opengraph meta tags https://ogp.me/

>>techaq+7v
And also schema.org: https://schema.org/

>>doodle+Hy
Thing > CreativeWork > WebSite https://schema.org/WebSite ... scroll down to "Examples" and click the "JSON-LD" and/or "RDFa" tabs. (And if there isn't an example then go to the schema.org/ URL of a superClassOf (rdfs:subClassOf) of the rdfs:Class or rdfs:Property; there are many markup examples for CreativeWork and subtypes).

httpS://schema.org/license

Also: https://news.ycombinator.com/item?id=35891631

extruct is one way to parse linked data from HTML pages: https://github.com/scrapinghub/extruct