The figure and figcaption elements.
An infographic and a table.
Advice is now provided in the HTML spec.
A list of HTML and XHTML elements, past and present.
What's required before calling it ‘the next big thing’.
“‘Validation’ is an oldthink word” says the man behind the W3C markup checker.
How HTML elements are supported by screen readers.
Prefer real HTML semantics over ARIA if possible.