References and further information
Free Online Books
- Mark Pilgrim: Dive into accessibility - 30 days to a more accessible web site [2002].
- Joe Clark: Building accessible websites - Updated 2003.06.14.
Programs and Lists
- NILS: Accessibility Toolbar for Internet Explorer.
- Mozilla: Web developer toolbar for Firefox.
- A less verbose version of the WAI Priority Checklist.
- NGfL technical review checklist.
- NGfL Page validator & Link checker. [Opens in a new window].
Text equivalents
- MCU: How to make non-text elements accessible.
- Juicy Studio: Alternatives to auditory and visual content.
- WebAim: Creating Accessible Images.
- Jim Thatcher: Alternative Content for Graphics.
- W3C: Use the alt attribute.
- Jukka Korpela: Guidelines on alt texts in img elements.
- GAWDS: Writing good ALT text.
- Dive Into Accessibility: Providing text equivalents for images.
- A.J.Flavell: Use of ALT texts in IMGs.
- Malarkey: Accessible alternatives.
- NCAM: Media Access Generator (MAGpie) for creating captions and audio descriptions for rich media.
- Macromedia: Accessibility and Macromedia Flash MX 2004.
JavaScript
- Jim Thatcher: Scripts and Applets.
- WebAim: Accessible JavaScript.
- Accessify: Accessible pop-up windows.
- webSemantics: Accessible Form Guidelines.
Data Tables
- Juicy Studio: Create tables that transform gracefully.
- WebAim: Creating Accessible Tables.
- Jim Thatcher: Accessible Tables.
- W3C: Tables.
- W3C: Complex data tables.
Colour Usage and Perception
- Juicy Studio: Don't rely on colour alone.
- Vision Simulator: Diseases and conditions simulator.
Cascading Style Sheets
- CSS Zen Garden: Hundreds of beautiful and eclectic designs applied to the same web page.
- Westciv: Free online CSS tutorials.
- TSBVI: CSS accessibility.
- W3C: Cascading Style Sheet (CSS) techniques for generating content.
- W3C: Rules and borders with stylesheets.
- W3C: Style sheet positioning.
- W3C: Style sheets and layout.
- W3C: CSS validator to check your implementation of CSS.
Natural Language
- Juicy Studio: Clarify natural language usage.
- WCAG: Identifying changes in language.
Dynamic Content
- WAI: content and functionality presented through applets and other programmatic objects.
- WAI: providing text equivalents of frames.
- WAI: providing equivalents of content and functionality presented through scripts.
Formal Grammars
- A list apart: Fix Your Site With the Right DOCTYPE!.
- W3C: Document Character Set.
- W3C: Beyond validation.
- A web standards checklist
- Maccaws: What every web site owner should know about standards: A web standards primer.
- Joel Spolsky: The absolute minimum every software developer must know about Unicode and character sets.
- Jukka Korpela: A tutorial on character code issues.
Testing for Accessibility
- Sitepoint: Do-It-Yourself Accessibility.
- Sitepoint: Accessibility Checking... With Just A Browser.
- NILS: Accessibility toolbar for Internet Explorer.
- Juicy Studio: Contrast tester, link tester, Readability tester, Image analyser, CSS accessibility analyser
Other free online web tools
- Bobby An online accessibility evaluation tool.
- Lynx viewer An online tool that simulates a text-only browser.
- aDesigner IBM's disability simulator. A fine piece of work.
- Webxact Watchfires latest online web site evaluation tool.
- CynthiaSays An online accessibility evaluation tool.
- Colour blindness simulation Vischeck simulates three kinds of colour blindness.
- Distractibility simulation Experience similar frustrations to cognitive disabilities.
- Screen reader simulation Simulation to aid understanding of the visually impaired's access to the Internet.
- The Wave An online accessibility evaluation tool.
- Web developer toolbar extension for Firefox.
- W3C tool list Evaluation, repair, and transformation tools for web content accessibility.