70-486.reference

Concepts

ARIA

Accessible Rich Internet Applications (ARIA) is a set of attributes that define ways to make web content and web applications (especially those developed with JavaScript) more accessible to people with disabilities.

RDF

Resource Description Framework (RDF) is a standard model for data interchange on the Web. RDF has features that facilitate data merging even if the underlying schemas differ, and it specifically supports the evolution of schemas over time without requiring all the data consumers to be changed.

Semantic markup

Semantic markup is the use of a markup language such as HTML to convey information about the meaning of each element in a document through proper selection of markup elements, and to maintain complete separation between the markup and the visual presentation of the elements contained in the document.
There are two different practices that must be put into place if we are going to write semantic markup.

  1. Semantic markup requires that HTML elements be used according to their intended purpose.
  2. Semantic markup requires the separation of content and presentation.

For example, lots of divs that looked like this:

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