Microdata (HTML): Difference between revisions

Revision as of 23:08, 2 November 2017

Revision as of 21:28, 10 December 2017

Line 6:

== Vocabularies ==

Microdata vocabularies does not provide the [[semantics]], or meaning of an Item.<ref>{{Cite web | title = HTML Standard | url = https://html.spec.whatwg.org/multipage/microdata.html | website = Web Hypertext Application Technology Working Group | accessdate = 30 December 2016}}</ref> Web developers can design a custom vocabulary or use vocabularies available on the web. A collection of commonly used markup vocabularies are provided by [[Schema.org]] schemas which include: ''Person'', "''Place''", ''Event'', ''Organization'', ''Product'', ''Review'', ''Review-aggregate'', ''Breadcrumb'', ''Offer'', ''Offer-aggregate''. MajorThe website schema.org was established by search engine operators like [[Google]], [[Microsoft]] and, [[Yahoo!]], relyand on[[Yandex]], thiswhich use microdata markup to improve search results.<ref>{{cite book|title=HTML5: The missing manual|last=MacDonald|first=Matthew|edition=2nd|publisher=[[O'Reilly and Associates]]|date=2014|isbn=978-1-4493-6326-0}}</ref>{{rp|85}}

For some purposes, an ad-hoc vocabulary is adequate. For others, a vocabulary will need to be designed. Where possible, authors are encouraged to re-use existing vocabularies, as this makes content re-use easier.<ref name="WHATWG"/>