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3:7 Ensure that Scripts Allow Accessibility

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3:7 Ensure that Scripts Allow Accessibility

Relative Importance:

Relative Importance rating of 3 out of 5

Strength of Evidence:

Strength of Evidence rating of 2 out of 5

Document Type: Guideline




When designing for accessibility, ensure that the information provided on pages that utilize scripting languages to display content or to create interface elements can be read by assistive technology.


Whenever a script changes the content of a page, the change must be indicated in a way that can be detected and read by a screen reader. Also, if mouseovers are used, ensure that they can be activated using a keyboard.


  • United States Government, Rehabilitation Act of 1973 (amended in 1998), Section 508. Retrieved November 2005, from

Related Resources:

  • Title: Section 508
    Description: Section 508 requires that Federal agencies' electronic and information technology is accessible to people with disabilities. IT Accessibility & Workforce Division, in the U.S. General Services Administration's Office of Governmentwide Policy, has been charged with the task of educating Federal employees and building the infrastructure necessary to support Section 508 implementation. Using this web site, Federal employees and the public can access resources for understanding and implementing the requirements of Section 508.
  • Title: Web Accessibility Initiative
    Description: Guidelines widely regarded as the international standard for Web accessibility
  • Title: WebAIM Section 508 Checklist
    Description: Provides a checklist of 508 items for HTML.