Use longdesc [H45]

Test info
Possible Results

Test info

Test for Success Criterion 1.1.1


Checked Elements: img
This test checks that if <img> elements has a valid longdesc attribute.

Short Description

This test checks that if <img> elements has a longdesc attribute, that it has content. This also checks that the longdesc value is a valid URI.

WCAG 2.0

Principle 3: Understandable
Information and the operation of user interface must be understandable.
WCAG 2.0: Principle 3
Guideline 3.1: Readable
Make text content readable and understandable. Understanding Guideline 3.1
Success Criterion 3.1.1: Language of Page (Level A)
The default human language of each Web page can be programmatically determined . Understanding: Success Criterion 3.1.1

Possible Results

Failed Longdesc is same as filename

Longdesc is same as filename

Failed Longdesc is empty

Longdesc is empty

Failed longdesc is invalid

longdesc is invalid