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Indiana University

Recommended Web Accessibility Validators

Reviewers use the following web accessibility validators regularly and would recommend them for use in creating web accessible content.

CynthiaSays

Description
The Cynthia Says portal is a web content accessibility validation solution. It is designed to identify errors in your content related to Section 508 standards and/or the WCAG guidelines.
Reviewer Comments
Cynthia Says has been touted as a great web accessibility evaluator. However, the reports are very hard to read and are incomplete. Responses to accessibility checks are not clear regarding whether a page checkpoint has passed or not. Some are left blank. Confusing results do not help with accessibility validation.

Functional Accessibility Evaluator

Description
This evaluator was developed at the University of Illinois, and allows users to check the functional accessibility of any URL. Sign up for a free account to generate and save reports about your site. FAE analyzes entire web sites all at once instead of one page at a time. (FAE) -checks one page but can get a free user account to check to up to 3 levels. The Functional Accessibility Evaluator analyzes web resources for markup that is consistent with the use of DRES/CITES HTML best practices for development of functionally accessible web resources and resources that support interoperability. The HTML best practices are not a new standard, but rather a statement of techniques for implementation of the W3C Web Content Accessibility Guidelines and United States Federal Government Section 508 standards that not only improve accessibility for people with disabilities, but also the interoperability of web resources for everyone so all people benefit by having more options to access and use web resources.
Reviewer Comments
This validator works and would recommend using it alongside the W3C validator.

Truwex Online Check for Web Accessibility and Quality

Description
Truwex is another multi-purpose checker. With this tool, you'll be able to check not only for accessibility but for privacy, quality and compliance with a variety of Web standards of your choosing as well.
Reviewer Comments
Truwex online tool to check web site accessibility (WCAG 1.0 and Section 508), privacy, and quality. It features automatic color contrast validation of text elements according to W3C algorithm. It shows issues on a web page screenshot. Truwex executes JavaScript's and measures actual response and download times of every web page element in the Internet Explorer browser. It can detect things like the lack of a privacy page. An arrow on the page map shows the user where errors are. That can be really helpful when hunting for something obscure. Another nice feature is that Truwex creates a "Page Map" that highlights any issue it has found. Great for finding text with insufficient contrast. Uses W3C's validator to check the code and accessibility, but this goes into even more detail.

Web Accessibility Inspector

Description
Web Accessibility Inspector is a program that can determine whether or not your website can be easily viewed by the elderly and those with visual impairments. The criteria of Web Accessibility Inspector are based on W3C WCAG 1.0 and Fujitsu Web Accessibility Guidelines. It can evaluate not just HTML but also CSS (Cascading Style Sheets), and enables to diagnose at a high level of precision, including text size, line spacing, and the color of texts and backgrounds.
Reviewer Comments
This tools has excellent hierarchically presented information. Each error is highlighted, includes an indication of severity of error and the ability to go to the error on the web page through clickable link. The tool also provides information about what disability will be affected. It finally provides a link to the guideline that has been violated.

Web Accessibility Toolbar

Description
The Web Accessibility Toolbar has been developed to aid manual examination of web pages for a variety of aspects of accessibility. It consists of a range of functions that: identify components of a web page, facilitate the use of 3rd party online applications, simulate user experiences and provide links to references and additional resources.
Reviewer Comments
A very useful toolbar that installs and runs as toolbar tools for checking various aspects of accessibility.

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