Product

The main body that defines Web standards is the W3C: World Wide Web Consortium.
Official website of the W3C: www.example.org
Official website of the W3C in Spanish: www.w3c.es

Some advantages of accessibility:

• Universal access
• Improvements in ease of use (usability)
• Improvements in search engines
• Technical improvements. Web quality
• Device independence
• Multimodality

Multimodality allow multiple modes of interaction: GUI, touch interfaces, voice, vision, pencils, gestures, etc.
An accessible web can be very nice and accessibility is not incompatible with good creative design. You can use scripts and flash, but following rules which pursue achieving described advantages.

The W3C created the WAI (Web Accessibility Initiative) working group to define the strategy and rules to follow to make a website accessible. There are 3 levels of compliance, identified by one, two or three AES (Advanced Encryption Standard).
Priority 1: WAI-A
Priority 2: WAI-AA
Priority 3: WAI-AAA
Official website of the WAI: http://www.w3.org/WAI/

Highlights:

• WCAG: Development (templates, static, services, Portlets)
• ATAG: Accessibility of the author (for construction of portals and content management) tools.
  Content
  SORT
  It meets all the requirements of the ATAG
• UAAG: Accessibility of web devices (browsers, players, technologies, etc.)