microdata

Usage: microdata is used to provide additional information about certain elements listed in a web page. We can refer to an online vocabulary which provides more information about the details for each attribute). Information is tracked as name=value pairs. http://www.data-vocabulary.org/ is the URL of this online vocabulary. Additional information can be provided for the following (at the moment):

• Event
• Organization
• Person
• Product
• Review
• Review-aggregate
• Breadcrumb
• Offer
• Offer-Aggregate

Example page (opens in a new tab/ window – view source code):

• http://learning-html5.info/examples/Example_Microdata.html (this example page is slightly modified from the example page at Dive into HTML5 linked below).

Tools:

• Microdata development playground – http://foolip.org/microdatajs/live/
• Google Rich Snippets Testing Tool – http://www.google.com/webmasters/tools/richsnippets

References:

• http://diveintohtml5.org/extensibility.html
• http://dev.w3.org/html5/md-LC/