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RAWEBA

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

WCAG references
  • 1.1.1 Non-text Content (A)
  • 4.1.2 Name, Role, Value (A)
Techniques
  • ARIA6
  • ARIA9
  • ARIA10
  • F30
  • F71
  • G94
  • G95
  • G196

Official methodology to test criterion 1.3

Test 1 (1.3.1)

  1. Find in the document the images implemented using an <img> element (or an element with the WAI-ARIA role="img" attribute) with a text alternative (image).
  2. For each image, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 2 (1.3.2)

  1. Find in the document the <area> elements with a text alternative.
  2. For each <area> element, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 3 (1.3.3)

  1. Find in the document the <input> elements with the type="image" attribute and a text alternative (image).
  2. For each <input> element with the type="image" attribute, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 4 (1.3.4)

  1. Find in the document the <object> elements with the type="image/..." attribute and a text alternative.
  2. For each <object> element with the type="image/..." attribute, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 5 (1.3.5)

  1. Find in the document the <embed> elements with the type="image/..." attribute and a text alternative.
  2. For each <embed> element with the type="image/..." attribute, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 6 (1.3.6)

  1. Find in the document the <svg> elements with a text alternative.
  2. For each <svg> element, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 7 (1.3.7)

  1. Find in the document the <canvas> elements that have an alternative text.
  2. For each <canvas> element, check that the text alternative is relevant.
  3. If this is the case for each image, the test is validated.

Test 8 (1.3.8)

  1. Find in the document the <canvas> elements with alternative content between the <canvas> and </canvas> tags.
  2. For each <canvas> element, check that the alternative content is correctly rendered (by assistive technologies).
  3. If this is the case for each image, the test is validated.

Test 9 (1.3.9)

  1. Find in the document the images with a text alternative.
  2. For each image, check that the text alternative is short and concise.
  3. If this is the case for each image, the test is validated.