Use longdesc [H45]

Test info
Possible Results

Test info

Test for Success Criterion 1.1.1

About

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
Technique

Possible Results

Failed longdesc is invalid

longdesc is invalid

Failed Longdesc is empty

Longdesc is empty

Failed Longdesc is same as filename

Longdesc is same as filename