Asqatasun v4 - RGAA 3.2016 - Rule 1.1.1
Summary
This test consists in checking whether each <img> tag is defined with an "alt" attribute.
Business description
Criterion
Test
Description
Chaque image (balise
img) a-t-elle un attribut alt ?Level
A
Technical description
Scope
Page
Decision level
Decidable
Algorithm
Selection
Set1
All the <img> tags (css selector : img)
Process
Test1
For each element of Set1, test the presence of the "alt" attribute.
For each occurrence of false-result of Test1, raise a MessageA
MessageA : Missing Alt attribute
- code : AltMissing
- status: Failed
- parameter :
"src"attribute, tag name, snippet - present in source : yes
Analysis
Passed
All the <img> tags of the page have an "alt" attribute (Test1 returns true for all the elements of Set1)
Failed
At least one <img> tag has no "alt" attribute (Test1 returns failed for at least one element)
Not Applicable
The page has no <img> tag (Set1 is empty)