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Indiana University

Other Recommended Web Development Accessibility Tools

Reviewers recommend using the following web development accessibility tools but do not have as much experience using these resources.

Firefox Accessibility Extension

Description
The Mozilla/Firefox Accessibility Extension makes it easier for people with disabilities to view and navigate web content. Developers can use the extension to check their use of structural and styling markup that support functional web accessibility.
Reviewer Comments
This Firefox tool seems to encompass several other Firefox accessibility tools (ARIA and Fangs, at least). It uses the standards of the Functional Accessibility Evaluator from the University of Illinois at Urbana-Champaign to evaluate components in a web page. It is a very useful tool to check the structure of any web page for accessibility issues in real-time. The only drawback is it is only for the Firefox web browser.

Firefox Web Developer Toolbar

Description
Chances are good that if you're doing a lot of web development you already have the Firefox Web developer toolbox in your bag of tricks. But did you know that you can also use it to check Web accessibility? Follow this link for instructions on how to make your toolbars work even harder.
Reviewer Comments
This tool provides different options for testing and validating web pages through a toolbar. It uses the W3C validator for validating and contains functionality to test for WCAG1 guidelines.

Foreground/Background Color Contrast Analyzer

Description
Calculates Foreground and Background color contrast and difference per W3C algorithms. This is a web-based, platform independent tool. It requires that JavaScript is enabled in your browser.
Reviewer Comments
This tool works and would be useful if there is a question about contrast on a page. The latest version of the tool is version 1.2.

Header Ordering Checker

Description
The University of Durham Header Ordering Checker linearizes each page and checks the order of heading tags. It will give a warning for each improperly ordered header. A page's HTML should be validated before using this utility, as improperly matched headers, or headers within headers could cause problems.
Reviewer Comments
This tool works as described.

HTML Validator for Firefox and Mozilla

Description
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon in the status bar when browsing. The details of the errors are seen when looking the HTML source of the page.
Reviewer Comments
This tool attempts to give immediate feedback regarding validation in the web interface while browsing. Works OK, but there results from the W3C validator site are always more reliable.

Accessibility Tools Framework (Previously IBM Rule-based Accessibility Validation Environment)

Description
The IBM Rule-Based Accessibility Validation Environment (RAVEN) is an innovative suite of tools for inspecting Java and web rich-client graphical user interfaces (GUIs) and validating them for accessibility. Non-invasive techniques, like Aspect Oriented Programming (AOP), Introspection, and the Java Reflection API, are used to validate pre-existing GUIs at execution time rather than by examining source-code. This tool provides the ability to: Validate your static web content and some DHTML content for accessibility; Inspect and validate your Eclipse plug-in in the current Eclipse workbench; Inspect and validate your plug-in (and/or Eclipse itself) in an Eclipse workbench running in a separate JVM; Inspect and validate your Java application running in a separate JVM; Validate GUI components under development from the Java Perspective; Launch, test, and use RAVEN to validate Eclipse plug-ins from your development environment using the Runtime Workbench ; Define your own validation rules via external XML files; Persist validation reports. Now referred to as Accessibility Tools Framework (ACTF)
Reviewer Comments
This is a plug-in to be used with Eclipse development software. It only works to validate Java.

Juicy Studio: Image Analyser

Description
This service examines all images found on a web page to check for any accessibility issues. The width, height, alt, and longdesc attributes are examined for appropriate values.
Reviewer Comments
Minimally useful to point out that specified width and height on images will keep content from jumping around as page is loading and if alt attributes are empty. This tool has a very narrow focus.

Juicy Studio: Readability Test

Description
Gunning Fog, Flesch Reading Ease, and Flesch-Kincaid are reading level algorithms that can be helpful in determining the readability of written content. Reading level algorithms only provide a rough guide, as they tend to reward short sentences made up of short words. Although they're rough guides, they can give a useful indication of whether content is targeted at the correct level for an intended audience. The Juicy Studio Readability Test automatically calculates a readability score for a Web page just by entering its URL.
Reviewer Comments
This readability test tool generate a report that indicates the reading level of the chosen web page. This tool is useful if you want your content to be understood by everyone no matter their reading level. The drawback is that the tests used by the tool only give a rough guide about readability.

Juicy Studio: Table Inspector Firefox Extension

Description
Table Inspector is a Mozilla - Firefox extension to reveal the hidden accessibility features of data tables, such as summary, headers, axis, scope, and abbr.
Reviewer Comments
This tool reveals table markup that is usually hidden from plain view. It is a good way to check that your table is coded correctly. The problem with the tool is that is the tags don't exist is the code no information will be given. So the usefulness of this tool is limited.

Opera

Description
A free, fast, highly standards-compliant Web browser that allows you to toggle images, style sheets, scripting, and tables on and off with a single mouse click. These features allow designers to check alt-text, see how tables linearize, and ensure that pages work with style sheets turned off.
Reviewer Comments
This web browser is a viable alternative to Firefox or Internet Explorer. It would be useful for cross-browser compatibility and accessibility checks.

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