Top "Semantic-markup" questions

For questions related to separation of content and presentation of semantic tags, embedding structured metadata into HTML markup using [rdfa], [json], [microdata] or [microformats]. There are four categories of the most common and important semantic elements: document structure, textual meaning, media type and correlation tags.

Multiple h1 tags?

Is it really that bad to use multiple h1 tags per page? If using hgroup,article,header,footer,section tags …

html semantic-markup web-frontend
HGROUP element removed from the HTML5 Specification. What alternative technique can be used instead?

As some of you would of heard the hgroup element is being removed from the HTML5 Specification. (For more info, …

html w3c semantic-markup web-standards