<article>
From the HTML Living Spec:
The article element represents a complete, or self-contained, composition in a document, page, application, or site and that is, in principle, independently distributable or reusable, e.g. in syndication.
Does your usage of the <article> element stand up to this test? Let’s find out…
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Test <article> usage
Examples:
<article> is a nice prompt to get people thinking about making their content reusable and standalone, but very few tools actually use it. To really empower your content to be used anywhere and retain its quality and structure, you should mark it up with microformats2 like h-card.