Test Case sc1.1.1_l1_003: Alternative text for images: alt attribute contains URL

Formal Metadata

Formal Metadata
TitleAlternative text for images: alt attribute contains URL
DescriptionA document with an img element that displays a cat. The img element has an alt attribute that duplicates the src attribute with the URI to the image instead of an appriopriate text alternative.
CreatorBenToWeb (Christophe.Strobbe@…)
RightsCopyright BenToWeb 2004-2007
LanguageEnglish
Date2005-05-10
Statusaccepted QA

Technologies and Features

Technologies are markup languages or data formats. If the technology is a markup language, “features” refers to elements and attributes.

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

Feature: img (namespace: http://www.w3.org/1999/xhtml) .

Technical specification: How to specify alternate text .

Test Data

Purpose

This test case is intended to fail because the alt attribute contains only a URL.

Test Modes

Accessibility expert.

Test Files

Test file.

TCDL Data

sc1.1.1_l1_003 (XML).

Rules

“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.

Primary Rules

The test case fails the following success criterion at line 9, column 60: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#text-equiv-all.

Functional Outcome

The image does not have a text description that conveys the same information: it contains a URL instead of a text alternative.

Technical Comment

The img element has an alt attribute that contains the URL to the image file instead of alternative text that conveys the same information.

This test case maps to failure F30: Failure of SC 1.1.1 due to using text alternatives that are not alternatives (e.g. filenames or placeholder text).

Secondary Rules

Secondary Rule (WCAG 2.0 - April 2006 Working Draft (Last Call))

The test case fails the following success criterion at line 9, column 60: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#text-equiv-all.

Functional Outcome

The image does not have a text description that conveys the same information: it contains a URL instead of a text alternative.

Technical Comment

The img element has an alt attribute that contains the URL to the image file instead of alternative text that conveys the same information.

Online version: sc1.1.1_l1_003.

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case fails the following success criterion at line 9, column 60: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#text-equiv-informative.

Functional Outcome

The image does not have a text description that conveys the same information: it contains a URL instead of a text alternative.

Technical Comment

The img element has an alt attribute that contains the URL to the image file instead of alternative text that conveys the same information.

Secondary Rule (WCAG 2.0 - February 2005 Editor's Draft)

The test case fails the following success criterion at line 9, column 60: http://www.w3.org/WAI/GL/WCAG20/WD-WCAG20-20050211/#4.1_use-spec-document-backward-compat-violations.

Functional Outcome

The image has a text description.

Technical Comment

The img element has an alt attribute but the attribute's content is not according to specification.