ProQuest Government Periodical Index
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Introduction
ProQuest is committed to providing an experience that is fully accessible to everyone. We make every effort to ensure that all ProQuest pages comply with Web accessibility guidelines.
Due to the scale and complex nature of ProQuest content and services, this is an ongoing effort. Let us know how we are doing. Contact Us with your questions or feedback.
Visit Help for detailed information on using accessibility features in ProQuest.
Standards
While designing the ProQuest interface, we have aimed to comply with the following Web accessibility standards and laws:
- Section 508 of the US Rehabilitation Act. Further details about how ProQuest addresses Section 508 compliance can be found in our VPAT statement.
- The Americans with Disabilities Act (ADA)
- Level A and Level AA of the WAI Web Content Accessibility Guidelines 2.0 (WCAG 2.0).
(In a few cases we meet Level AAA standards). Full details of how ProQuest follows the Web Content Accessibility Guidelines 2.0 are available in our WCAG 2.0 Accessibility document.
In addition to the specific accessibility standards, the site has been built following broader web coding standards e.g. (x)HTML and CSS2 to ensure compatibility with as wide a range of browsers and assistive technologies as possible.
Testing
At every stage of development, ProQuest code is checked for accessibility using a range of automated and manual checks. For example, colors used throughout the interface have been tested against the World Wide Web Consortium’s (W3C) standards for luminosity contrast, color difference, and brightness difference. We also test the interface for screen reader accessibility using JAWS with Internet Explorer during implementation. Other tools used to test accessibility include:
- WAVE (web accessibility evaluation tool) provided by WebAim.
- Fangs screen reader emulator.
- Color Contrast Analyzer.
- Manual keyboard checks.
- Vischeck filters (color-deficient vision simulator).
