EMBED with no description Screen reader compatibility

Last updated: September 5, 2016

Expected Result: causes problems in some screen readers

Actual Result: causes problems in 22 screen reader / browser combinations

For expected failures, the results show which AT combos the failures affect. Results are recorded from the user's viewpoint, so describe the user impact of authoring errors.

Code used for this test:


        <embed type='video/mp4' src='http://techslides.com/demos/sample-videos/small.mp4' width='100' height='100'></embed>
    

Change History

Last updated: September 5, 2016

Screen readerBrowserModeNotesWhat the user hears
Fail NVDA 2016.2FF48 ReadingNo description of non-text content. Speak Iframe, button play. Button mute. Out of iframe.
Fail NVDA 2016.2IE11 ReadingNo description of non-text content. Speak Embedded object, unnamed_view_0
Fail NVDA 2015.2FF38 ReadingNothing voiced for embed - no indication it exists Speak Blank
Fail NVDA 2015.2IE11 ReadingNo description of non-text content. Speak Embedded object, unnamed_view_0
Fail JAWS 17.0.2619FF48 ReadingEmbed object filename read out Speak Small dot MP4 frame. Video start. Play button. Mute button. Video end. Small dot MP4 frame end.
Fail JAWS 17.0.2619IE11 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 16.0.4350FF41 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 16.0.4350IE11 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 15.0.9023FF38 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 15.0.9023IE11 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 14.0.9002FF38 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 14.0.9002IE11 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 13.0.852FF38 ReadingNothing voiced for embed - no indication it exists
Fail JAWS 13.0.852IE11 ReadingNothing voiced for embed - no indication it exists
Fail WindowEyes 9.2IE11 ReadingNothing voiced for embed - no indication it exists
Fail WindowEyes 8.4IE11 ReadingNo name for object content Speak Unnamed 2 button. Slider. Play button. Stop button. Previous button. Rewind button. Fast forward button. Next button. Mute button. Slider. Show. Title. Author. Copyright. Quality icon button. Stopped, read-only, edit box metadata.
Fail VoiceOver OSX 10.11Safari 9.1.2 ReadingNothing voiced for embed - no indication it exists
Fail VoiceOver OSX 10.10Safari 8.0.6 ReadingNothing voiced for embed - no indication it exists Speak Newline
Fail VoiceOver iOS 9.1Safari iOS 9.1TouchNo description of non-text content Speak Start playback, button
Fail VoiceOver iOS 8.3Safari iOS 8.3TouchNo description of non-text content Speak Start playback, button
Fail Dolphin SR 15.05IE11 ReadingNothing voiced for embed - no indication it exists
Fail SaToGo 3.4.96.0IE11 ReadingNothing voiced for embed - no indication it exists

SortSite rules: AccWcag1-1.1.4

Test notes

The threshold for inclusion in these results is 5% usage in the most recent WebAIM screen reader survey. Chrome and Android still fall below the 5% threshold.

All tests were carried out with screen reader factory settings. JAWS in particular has a wide variety of settings controlling exactly what gets spoken.

Screen readers allow users to interact in different modes, and can produce very different results in each mode. The modes used in these tests are:

In the «What the user hears» column: