Rule ID |
Control 2 |
Definition |
Every input type image element must have an alt or title attribute with content. |
Purpose |
- Alternate content associated with an image-based form control ensures that information about the control is spoken by screen readers when it receives focus.
|
Mappings |
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HTML4 Legacy Techniques
(Required)
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HTML5 and ARIA Techniques
(Required)
|
WCAG Success Criteria |
3.3.2 Labels or Instructions (Level A, Primary Success Criterion)
Other Related Success Criterion:
|
Rule Category |
Forms |
Scope |
Element |
Target Resources |
input[type="image"] elements
|
Techniques |
- The
alt attribute is the preferred and most commonly used way to provide an accessible label for input type image elements.
- In special cases, the
title attribute can be used on the input type image element to provide an explicit text description of its purpose.
- In special cases, the
aria-labelledby attribute can be used on the form control element to reference the id(s) of the elements on the page that describe its purpose.
- In special cases, the
aria-label attribute can be used on the form control element to provide an explicit text description of its purpose.
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Informational Links |
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