AccessiWeb 2.2 - Rule 4.22.1

Summary

This test consists in checking whether each time-based media and each non time-based media defined with an object, an embed or an applet tag is supported by assistive technologies

Business description

Criterion : 4.22

Test : 4.22.1

Test description :

Does each time-based media and each non time-based media that is inserted via a Object, Applet or Embed tag pass one of the conditions below (except in special cases)?

  • The name, role, value, setting and status changes of the interface components are accessible to assistive technologies via an accessibility API
  • An alternative that is supported by an accessibility API allows to access to the same functionalities

Level : Bronze

Technical description

Scope : page

Decision level : semidecidable

Algorithm

Selection

Selection1 : All the embed, applet and object tags (embed, applet, object)

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 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, object) has been found on 6795 pages, i.e on 8.7% of the pages