Asqatasun v4 - AccessiWeb 2.2 - Rule 4.18.1
Summary
This test consists in checking whether each audio sequence played automatically and defined with an object
, an embed
, an applet
or a bgdound
tag can be stopped by the user or the volume can be shutdowned
Business description
Criterion : 4.18
Test : 4.18.1
Test description :
Does each audio sequence that is played automatically via an object, applet, embed tag, a javascript code or bgsound property pass one of the conditions below?
- The audio sequence lasts less than or equal to 3 seconds
- The audio sequence can be stopped by an action initiated by the user
- The volume of the audio sequence can be controlled by the user independently from the system volume control.
Level : Bronze
Technical description
Scope : page
Decision level : semidecidable
Algorithm
Selection
Selection1 : All the embed
, object
, applet
and bgsound
tags (embed, object, bgsound, applet)
Process
The selection handles the process.
For each occurence of the Selection1 raise a MessageA
MessageA : Check Manually the elements
- code :ManualCheckOnElements
- status: NMI
- parameter : snippet
- present in source : yes
Analysis
Not Applicable
Selection is empty (The page has neither object
, nor applet
, nor bgsound
, nor embed
tag)
Pre-qualified
The selection is not empty
Notes
We detect the elements of the scope of the test to determine whether the test is applicable.
On latest webdev data set (2013-10-30, 78,000 pages), the test scope (embed, applet, bgsound, object) has been found on 6804 pages, i.e on 8.7% of the pages