ARIA
- ARIA 1.3 (latest)
- W3C Editor's Draft, 04 Nov 2021
- ARIA 1.2
- W3C Candidate Recommendation
- ARIA Authoring Practices 1.2
- W3C Editor's Draft
- ARIA Design Pattern Examples
- ARIA Authoring Practices 1.2
- ARIA in HTML
- W3C Proposed Recommendation
- WAI-ARIA Overview
DOM Reference: MDN
HTML Reference
- HTML Reference: MDN
- Elements & attributes
- ASCII Codes
- Character Entities (W3C)
- HTML5: MDN *
- Dive Into HTML5
HTML & ARIA
- HTML5 Accessibility
- Browser support table
- Using ARIA *
- W3C Working Draft, 27 Sep 2018
CSS Specifications
- CSS Overview
- W3C CSS Working Group
- CSS Snapshot 2020
- W3C Working Group Note, 22 Dec 2020
- CSS Selectors Level 4
- W3C Editor's Draft, 21 Apr 2016
- CSS Selectors Level 3
- W3C Recommendation, 29 Sep 2011
CSS Reference: MDN
SVG
- SVG 1.1, 2nd Ed.
- W3C Recommendation, 16 Aug 2011
- Scalable Vector Graphics (SVG) 2
- W3C Editor’s Draft, 04 Nov 2015
- Accessibility Features of SVG
- W3C Note, 07 Aug 2000
- SVG: MDN
- SVG: W3C Working Group
- Scalable Vector Graphics in HTML5 (IBM)
- Basic concepts and usage
Validators
- CSS Validator (W3C)
- HTML Validator (W3C)
- HTML5 Validator
- Created with Mozilla support
- W3C Link Checker
WCAG Specifications
- Web Content Accessibility Guidelines (WCAG) Overview
- WCAG 2.1
- W3C Recommendation, 05 Jun 2018
- WCAG 2.0
- W3C Recommendation, 11 Dec 2008