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DHS Section 508 Compliance Testing Tools for TTv3 and TTv4

This guide provides a list of the testing tools used in the DHS Section 508 Compliance Test Process for Applications.  It explains the installation steps in detail, and important information to help you download the necessary components from the host websites.

For more details about using the tools, please refer to the DHS Section 508 Compliance Test Process for Applications.

Please download and review the software installation and setup instructions first.

For questions regarding the use of these tools, please contact the DHS Accessibility Help Desk via email at or via phone at 202-447-0440 (voice) Monday through Friday 9 am to 5 p.m., U.S. Eastern Standard Time.

Testing Tools


Inspect reveals the Name, Role, State and Value of Windows software elements. Download Inspect for the Operating System version being used. Developed by Microsoft Corporation.

Web Accessibility Toolbar (WAT)

Web Accessibility Toolbar (WAT) adds a toolbar to Internet Explorer to aid manual inspection of accessibility related elements on web pages. Developed by the Web Accessibility Tools Consortium.

Java Ferret

Java Ferret reveals the Name, Role, State and Value of Java software elements. Developed by Oracle Corporation.

Web Accessibility Favelets (WAF)

Favelets is a set of bookmarks with JavaScript test functions activated from your web browser. Another word used to call this is bookmarklets. The respective zip file includes bookmarks with favelets built-in along with descriptions of their source and use in the included README.txt.

WAF Version 2.0, June 2017

NOTE: It is highly recommended to use WAF server-side to receive latest releases. Client-side is available for agencies or organizations in a closed environment with no internet access. If you opt for the client-side version, please check back frequently for future updates.

Color Contrast Analyzer (CCA)

The Color Contrast Analyzer (CCA) helps you determine the legibility of text and the contrast of visual elements, such as graphical controls and visual indicators.

NOTE: CCA is available in WAT 2012 and WAT 2015.  Use the stand-alone CCA (download link above) if you are unable to run WAT within your environment.

Last Published Date: October 2, 2018

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