Key places for Resources on Web accessibility
- W3C: WCAG Tutorials: Common Accessibility patterns
- W3C: Education and Outreach homepage of resources
- W3C: A guide to understanding and implementing Web Content Accessibility Guidelines 2.0
- W3C: Using ARIA (tips and tricks - latest draft)
- WAI-ARIA 1.2 Full specification
- 18 WAI-ARIA attributes that every web developer should know
Accessible component libraries and examples
- W3C: WAI-ARIA Authoring Practices, widget library with code samples (Current draft)
- Component library (Deque)
- Inclusive Design - Heydon Pickering
Accessibility Checking Plugins for browsers (Free)
- Accessibility Insights (uses axe core)
- Axe - Web Accessibility Testing
- HTML CodeSniffer Bookmarklet (Uses PA11Y)
- Lighthouse Google Dev tools (uses axe core)
- Siteimprove Accessibility Checker
- Tenon Check
- WAVE Evaluation Tool
- IBM Dynamic Assessment Tool
- W3C: Big list of automated evaluation tools
Integration of api’s into authoring environments
Blogs
- WebAIM, Articles & Resources
- The Paciello Group - Web Resources
- Accessibility Best Practices (Level Access)
- WebAxe blog and podcast on web accessibility
- CanAdapt Blog
- Adrian Roselli Blog
Additional information for non-text content
Access to time-based and synchronized media
- Captioning Key – Guidelines and Preferred Techniques
- uiAccess list of Transcription Services.
- W3C - Synchronized Multimedia Integration Language (SMIL 3.0)
- WebAIM - Captions, Transcripts, and Audio Descriptions
- WebAIM - Real-time Captioning
- CBC Captioning Guidelines
- Joe Clark - Standard techniques in audio description
- National Institute on Deafness and Other Communication Disorders (NIDCD) - American Sign Language
- University of Hamburg - Techniques for filming sign language interpreters
- Action on Hearing Loss (formal Royal National Institute for Deaf People - RNID) - Communication Factsheets
Adaptable, Distinguishable and Understandable Content
- WebAIM - Semantic Structure
- Accessibility and Usability at Penn State - Heading Tags
- Vischeck software for colorblind vision simulation and Daltonize software for correcting images for colorblind viewers
- Microsoft, Can color-blind users see your site?:
- Webexhibits - Causes and Incidence of Colorblindness
- M. Okabe, K. Ito. Color Universal Design (CUD) – How to make figures and presentations that are friendly to Colorblind people
- The Paciello Group - Colour Contrast Analyser
- Colour Contrast Analyser Firefox Extension
- Colors on the Web, Color Contrast Analyser
- Snook - Colour Contrast Check
- MSFW - Color Contrast Ratio Calculator
- C. Lilley - Atypical Color Response
- W3C - Cascading Style Sheets (CSS 2.2):
- CookieCrook - Accessible CSS
- 6 Surprising Bad Practices that hurt Dyslexic users:
- Davis Dyslexia Association International - About Dyslexia
- R. Weakley - Ideal line length for content
- JuicyStudios - Developing sites for users with Cognitive disabilities and learning difficulties
- P.M. Jones - Line Length, Volume and Density
- The National Archives, Office for Disability Issues - A guide to accessible publishing
Avoiding Seizures
- Cambridge Research Systems - The Harding FPA suite to test Flashing and Spatial Patterns in Broadcast Video
- University of Maryland - PEAT Photosensitive Epilepsy Analysis Tool
- Epilepsy Action - Advice and information
- Epilepsy Foundation - Photosensitivity and Seizures
Navigable Web
- Writing better web page titles
- J. Nielsen - Using the Title Attribute to help users predict where they are going
- WebAIM - Links and Hypertext
- J. Nielsen - How users read on the Web
- J. Nielsen, J. Morkes - Applying writing guidelines to Web pages
Readable Content
- W3C - Internationalization: Language tags in HTML
- W3C - Authoring HTML: Language declarations
- Acronym Finder
- Abbreviations
- Plain Language Association International - Plain Language
- The US Government’s plain language guideline
- Dublin Core Qualifiers
- IMS Global - Accessibility learner information data structure description
- TextQuest - Readability analysis
- Leesbaar Nederlands (Readable Dutch)
- Flesch-Kincaid readability tests
- European standards for making information easy to read and understand
- W3C Quality Assurance, Use standard redirects: don’t break the back button
- W3C HTTP Protocol – Redirection
Mobile Accessibility
If you know of other Key documents we should consider please use feature at bottom of page to send us information about it.