WCAG guideline index and validator reference¶
This is an index of Web Accessibility Content Guidelines that can be verified using WCAG-Zoo as well as the techniques used for verification and the validators which perform the validation.
- 1.1.1 - Nontext Content
- H37: Using alt attributes on img elements -
anteater
- H37: Using alt attributes on img elements -
- 1.3.1 - Info and Relationships
- H42: Using h1-h6 to identify headings -
tarsier
- H42: Using h1-h6 to identify headings -
- 1.4.3 - Contrast (Minimum)
- 1.4.6 - Contrast (Enhanced)
- G17: Ensuring that a contrast ratio of at least 7:1 exists between text (and images of text) and background behind the text -
molerat
(using AAA compliance) - G18: Ensuring that a contrast ratio of at least 4.5:1 exists between text (and images of text) and background behind the text -
molerat
(large text only, using AAA compliance)
- G17: Ensuring that a contrast ratio of at least 7:1 exists between text (and images of text) and background behind the text -
- 2.1.1 - Keyboard
- G90: Providing keyboard-triggered event handlers -
ayeaye
(check for clashes with accesskeys).
- G90: Providing keyboard-triggered event handlers -
Future additions¶
The following guidelines and techniques have been identified as potential additions to the WCAG-Zoo.
- 1.1.1 - Nontext Content
- H53, H44
- H36 - Make sure input tags with src have alt or text
- H30 - Make sure links have text
- 1.2.3 - Audio Description or Media Alternative (Prerecorded) - H96
- 1.3.1 - Info and Relationships
- 2.4.1 - Bypass blocks - H69
- 2.4.2 - Page titled - H25 + G88 (very basic)
- 2.4.7 - Focus Visible - ( for :focus)
- 3.1.1 - Language of Page - H57
- 4.1.1 - Parsing H74, H75