Web Accessibility Tools - Part 2

Sorted by Release Date

AccessColor AccessKeys.org, 10 August 2006

Description: AccessColor is a free online tool which analyses the internal and external CSS of a web page to test the colour contrast and colour brightness between the text and background colours. It uses the algorithm recommended by the W3C at http://www.w3.org/TR/AERT#color-contrast.

  • Language: English
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports
  • Automatic checking: Single pages
  • Formats: CSS, HTML
  • Online service: Online checker
  • Reports: HTML

Foreground/Background Color Contrast Analyzer cactusflower.org, 22 April 2006

Description: Calculates Foreground and Background color contrast and difference per W3C algorithms. This is a web-based, platform independant tool. It requires that Javascript is enabled in your browser.

  • Language: English
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports
  • Online service: Online checker
  • Reports: HTML
  • License: Free Software

WAEX online Vicente Luque-Centeno, 19 April 2006

Description: WAEX is a Web Accessibility Evaluator in a single XSLT file. Such XSLT file can be applied (with any XSLT platform) to generate accessibility reports. These reports also include constraint evaluation of the XHTML specification not expressed/expressible in the DTD/Schema of XHTML.

  • Language: English
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports
  • Automatic checking: Single pages
  • Formats: HTML, XHTML
  • Online service: Online checker
  • Reports: HTML, XML, EARL
  • License: Free Software, Open Source

WAEX standalone Vicente Luque-Centeno, 19 April 2006

Description: WAEX is a Web Accessibility Evaluator in a single XSLT file. Such XSLT file can be applied (with any XSLT platform) to generate accessibility reports. These reports also include constraint evaluation of the XHTML specification not expressed/expressible in the DTD/Schema of XHTML.

  • Language: English
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports
  • Automatic checking: Single pages
  • Formats: XHTML
  • Online service: Online checker, Hosted service, Server installation
  • Operating system: Windows, MacOS, Linux, Solaris, BSD Unix
  • Reports: HTML, XML, EARL
  • License: Free Software, Open Source

PEAT - Photosensitive Epilepsy Analysis Tool Trace R & D Center, University of Wisconsin-Madison, 13 April 2006

Description: Photosensitive Epilepsy Analysis Tool (PEAT) is a free, downloadable tool, available from the Trace Center at the University of Wisconsin-Madison that allows web content to be tested for compliance with these guidelines. The tool creates a recording of a computer monitor as you use it. With this screen capture as input, PEAT conducts luminance flash and red flash evaluations to determine risk of seizure-provoking content. The analysis uses algorithms developed specifically for web and computer applications by the Trace Center, Dr. Graham Harding, and Cambridge Research Systems working together, and is based on Dr. Harding's extensive research on photosensitive seizure disorders.

  • Language: English
  • Assistance: Generating Reports
  • Automatic checking: Single pages
  • Operating system: Windows
  • License: Free Software

EvalAccess Laboratory of HCI for Special Needs - UPV/EHU, 9 February 2006

Description: EvalAccess 2.0 is an on-line web accessibility evaluation tool which has been developed using Web Service technology. Due to its architecture it can be easily integrated into other applications such as authoring tools. This tool provides different methods for evaluating web accessibility: evaluation of a single web page, evaluation of a web site and evaluation of HTML mark-up. It returns a complete report of errors as a result of the evaluation.

  • Language: English
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports
  • Automatic checking: Single pages, Page groups
  • Formats: HTML
  • Online service: Online checker
  • Reports: HTML, XML
  • License: Free Software

W3C Markup Validation Service W3C, 20 February 2006

Description: a free service that checks Web documents in formats like HTML and XHTML for conformance to W3C Recommendations and other standards.

  • Language: English
  • Assistance: Generating Reports
  • Automatic checking: Single pages
  • Formats: HTML, XHTML
  • Online service: Online checker
  • Reports: HTML, EARL

Colour Contrast Analyser Firefox Extension Juicy Studio, 12 February 2006

Description: The Colour Contrast Analyser Firefox extension lists colour combinations used in the document in a table that summarises the foreground colour, background colour, luminosity contrast ratio, and the colour difference and brightness difference used in the algorithm suggested in the 26th of April 2000 working draft for Accessibility Evaluation and Repair Tools (AERT). Each element is also listed with its parent elements, and class and id attribute values when specified to make it easier to locate the elements.

  • Language: English
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports
  • Automatic checking: Single pages
  • Formats: CSS, HTML, XHTML
  • Browser: Mozilla/Firefox
  • License: Free Software, Open Source

Web Developer Extension Chris Pederick, 31 January 2006

Description: The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools. It is designed for Firefox, Flock, Mozilla and Seamonkey, and will run on any platform that these browsers support including Windows, Mac OS X and Linux.

  • Language: English
  • Guidelines: WCAG 1.0, Section 508
  • Assistance: Generating Reports, In-page feedback, Page transformation
  • Formats: CSS, HTML, XHTML
  • Browser: Mozilla/Firefox
  • Reports: HTML
  • License: Open Source

WAhelper Brailcom, o.p.s., 11 January 2006

Description: WAhelper is a set of free software extensible tools for semiautomated checking of the accessibility features of web pages. It consists of an independent software library and a web based user interface for testing and making reports on web accessibility and managing web accessibility testing projects.

  • Language: English
  • Guidelines: WCAG 1.0, Section 508
  • Assistance: Generating Reports, Step-by-step evaluations
  • Automatic checking: Single pages, Page groups
  • Formats: CSS, HTML, XHTML
  • Online service: Online checker, Hosted service, Server installation
  • Reports: HTML
  • License: Free Software, Open Source

A-Checker ATRC University Of Toronto, 1 January 2006

Description: Online accessibility checker that tests web pages for conformance to various accessibility guidelines.

  • Language: English, Italian
  • Guidelines: WCAG 1.0, Section 508, Stanca Act, BITV
  • Assistance: Generating Reports, Step-by-step evaluations
  • Automatic checking: Single pages, Restricted pages
  • Formats: HTML, XHTML
  • Online service: Online checker
  • Reports: HTML
  • License: Free Software, Open Source

HTML Validator for Firefox and Mozilla Marc Gueury, 1 January 2006

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. The extension is based on Tidy.

  • Language: English, French, German, Japanese, Spanish
  • Guidelines: WCAG 1.0
  • Assistance: Generating Reports, Step-by-step evaluations
  • Automatic checking: Single pages
  • Repair options: Code modification
  • Formats: HTML, XHTML
  • Browser: Mozilla/Firefox
  • License: Free Software, Open Source

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July 2007 Tags: Web Accessibility Tools, WCAG, WAI, HTML, XHTML