For each image conveying information with a text alternative, is this alternative relevant (excluding special cases)?

WCAG Reference

Tests

1. 1.3.1

   For each image (<img> tag or tag with WAI-ARIA role="img" attribute) conveying information, having a text alternative, is this alternative relevant (excluding special cases)?

   If present, the value of the alt attribute is relevant.
   If present, the value of the title attribute is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text linked by aria-labelledby WAI-ARIA attribute is relevant.
2. 1.3.2

   For each area (<area> tag) of an image map conveying information, having a text alternative, is this alternative relevant (excluding special cases)?

   If present, the value of the alt attribute is relevant.
   If present, the value of the title attribute is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text linked by the aria-labelledby WAI-ARIA attribute is relevant.
3. 1.3.3

   For each button of type image (<input> tag with the type="image" attribute), having a text alternative, is this alternative relevant (excluding special cases)?

   If present, the value of the alt attribute is relevant.
   If present, the value of the title attribute is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text associated via the aria-labelledby WAI-ARIA attribute is relevant.
4. 1.3.4

   For each object image (<object> tag with the type="image/..." attribute) conveying information, having an alternative text or an alternative content, is this alternative relevant (excluding special cases)?

   If present, the value of the title attribute is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text associated via the aria-labelledby WAI-ARIA attribute is relevant.
   If present, the alternative content is relevant.
5. 1.3.5

   For each embedded image (<embed> tag with the type="image/..." attribute) conveying information, having an alternative text or an alternative content, is this alternative relevant (excluding special cases)?

   If present, the value of the title attribute is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text associated via the aria-labelledby WAI-ARIA attribute is relevant.
   If present, the alternative content is relevant.
6. 1.3.6

   For each vector image (<svg> tag) conveying information, having a text alternative, is this alternative relevant (excluding special cases)?

   If present, the content of the <title> element is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text associated via the WAI-ARIA aria-labelledby attribute is relevant.
7. 1.3.7

   For each bitmap image (<canvas> tag) conveying information, having an alternative text or an alternative content, is this alternative relevant (excluding special cases)?

   If present, the value of the title attribute is relevant.
   If present, the value of the WAI-ARIA aria-label attribute is relevant.
   If present, the passage of text associated via the aria-labelledby WAI-ARIA attribute is relevant.
   If present, the alternative content is relevant.
8. 1.3.8

   For each bitmap image (<canvas> tag) conveying information and having an alternative content between <canvas> and </canvas>, is this alternative content correctly rendered (by assistive technologies)?

9. 1.3.9

   For each image conveying information with a text alternative, is the text alternative short and concise (excluding special cases)?

WCAG Techniques

• ARIA6
• ARIA9
• ARIA10
• F30
• F71
• G94
• G95
• G196