Web Accessibility Checker : Check Details

Element

object

Error Type

Potential

Guidelines

BITV 1.0 (Level 2)
Level 1
1.4 For any time-based multimedia presentation (e.g., a movie or animation), synchronize equivalent alternatives (e.g., captions or auditory descriptions of the visual track) with the presentation.
Stanca Act
Requirement 18: Synchronized Text Equivalents For Multimedia
WCAG 1.0 (Level A)
Priority 1
1.4 For any time-based multimedia presentation (e.g., a movie or animation), synchronize equivalent alternatives (e.g., captions or auditory descriptions of the visual track) with the presentation.
WCAG 1.0 (Level AA)
Priority 1
1.4 For any time-based multimedia presentation (e.g., a movie or animation), synchronize equivalent alternatives (e.g., captions or auditory descriptions of the visual track) with the presentation.
WCAG 1.0 (Level AAA)
Priority 1
1.4 For any time-based multimedia presentation (e.g., a movie or animation), synchronize equivalent alternatives (e.g., captions or auditory descriptions of the visual track) with the presentation.
WCAG 2.0 (Level A)
1.2 Provide synchronized alternatives for multimedia
Success Criteria 1.2.3 Audio Description or Media Alternative (Prerecorded) (A)
WCAG 2.0 (Level AA)
1.2 Time-based Media: Provide alternatives for time-based media.
Success Criteria 1.2.3 Audio Description or Media Alternative (Prerecorded) (A)
WCAG 2.0 (Level AAA)
1.2 Time-based Media: Provide alternatives for time-based media
Success Criteria 1.2.3 Audio Description or Media Alternative (Prerecorded) (A)

Requirement

object link to multimedia file require equivalent alternatives (e.g., captions or auditory descriptions of the visual track).

Error

object link to multimedia file may be missing equivalent alternative.

Short Description

If object element contains a type attribute value of "video" then this error will be generated.

How To Determine

Question	Does this `object` have an equivalent alternative (or not require it)?
PASS	`object` has equivalent alternative (or does not require it).
FAIL	`object` does not have equivalent alternative and requires it.

Steps To Check

Procedure

1. Check each object element for a type attribute value of "video".
2. If this object is found then check the content for either a text equivalent for the object file or a link to a text equivalent.

Expected Result

1. Each multimedia object must have a text equivalent.

Failed Result

1. Add a text equivalent for the multimedia object within the document or link to it.

Examples

Pass Examples

Object does not have type of "video".

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>OAC Testfile - Check #146 - Negative</title>
</head>
<body>
<object/>
</body>
</html>

Fail Examples

Object with type of "video".

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>OAC Testfile - Check #146 - Positive</title>
</head>
<body>
<object type="video"/>
</body>
</html>