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video with fallback content Screen reader compatibility

Last updated: October 16, 2021

Expected Result: causes problems in some screen readers

Actual Result: causes problems in 56 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:


        <video>
            <source type='video/mp4' src='small.mp4'></source>
            fallback content
        </video>
    

Change History

Last updated: October 16, 2021

Screen readerBrowserModeNotesWhat the user hears
Fail NVDA 2021.2Chrome 94 ReadingNothing voiced for video - no indication it exists
Fail NVDA 2021.2FF91 ReadingNothing voiced for video - no indication it exists Blank
Fail NVDA 2021.2Edge 94 ReadingNothing voiced for video - no indication it exists
Fail NVDA 2020.2Chrome 86 ReadingNothing voiced for video - no indication it exists
Fail NVDA 2020.2FF78 ReadingNothing voiced for video - no indication it exists Blank
Fail NVDA 2020.2Edge 92 ReadingNothing voiced for video - no indication it exists
Fail NVDA 2019.2Chrome 79 ReadingNothing voiced for video - no indication it exists
Fail NVDA 2019.2FF68 ReadingNothing voiced for video - no indication it exists Blank
OK NVDA 2019.2IE11 Reading Fallback content
Fail NVDA 2018.4Chrome 73 ReadingNothing voiced for video - no indication it exists
Fail NVDA 2018.4FF60 ReadingNothing voiced for video - no indication it exists Blank
OK NVDA 2018.4IE11 Reading Fallback content
Fail NVDA 2017.3FF60 ReadingNothing voiced for video - no indication it exists Blank
OK NVDA 2017.3IE11 Reading Fallback content
Fail NVDA 2016.2FF48 ReadingNothing voiced for video - no indication it exists Blank
OK NVDA 2016.2IE11 Reading Fallback content
Fail NVDA 2015.2FF38 ReadingNothing voiced for video - no indication it exists Blank
Fail NVDA 2015.2IE11 ReadingNo description of non-text content Video
Fail JAWS 2021.2107.12Chrome 94 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2021.2107.12FF91 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2021.2107.12Edge 94 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2020.2008.24Chrome 86 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2020.2008.24FF78 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2020.2008.24Edge 92 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2019.1912.1Chrome 79 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2019.1912.1FF68 ReadingBlanks voiced for video - no indication it exists Blank. Blank.
Fail JAWS 2019.1912.1IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2018.1811.2Chrome 73 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2018.1811.2FF60 ReadingNothing voiced for video - no indication it exists
Fail JAWS 2018.1811.2IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 18.0.5038FF52 ReadingNothing voiced for video - no indication it exists
Fail JAWS 18.0.5038IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 17.0.2619FF48 ReadingNothing voiced for video - no indication it exists
Fail JAWS 17.0.2619IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 16.0.4350FF41 ReadingNothing voiced for video - no indication it exists
Fail JAWS 16.0.4350IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 15.0.9023FF38 ReadingNothing voiced for video - no indication it exists
Fail JAWS 15.0.9023IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 14.0.9002FF38 ReadingNothing voiced for video - no indication it exists
Fail JAWS 14.0.9002IE11 ReadingNothing voiced for video - no indication it exists
Fail JAWS 13.0.852FF38 ReadingNo description of non-text content Video start. Video end.
Fail JAWS 13.0.852IE11 ReadingNo description of non-text content Video start. Group start video. Group end. Video end.
Fail WindowEyes 9.2IE11 ReadingNothing voiced for video - no indication it exists
Fail WindowEyes 8.4IE11 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 11.5Safari 15.0 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 10.15Safari 14.1 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 10.14Safari 13.0 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 10.13Safari 12.1 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 10.12Safari 10.1.2 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 10.11Safari 9.1.2 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver macOS 10.10Safari 8.0.6 ReadingNothing voiced for video - no indication it exists
Fail VoiceOver iOS 14.7Safari iOS 14.7TouchNo description of non-text content 5 seconds, video playback, end article, elapsed time 0 seconds, double-tap to play or pause.
Fail VoiceOver iOS 13.3Safari iOS 13.3TouchNo description of non-text content 5 seconds, video playback, end article, elapsed time 0 seconds, double-tap to play or pause.
Fail VoiceOver iOS 12.4Safari iOS 12.4TouchNo description of non-text content 5 seconds, 0 seconds
Fail VoiceOver iOS 11.4Safari iOS 11.4TouchNo description of non-text content 5 seconds, 0 seconds
Fail VoiceOver iOS 10.3Safari iOS 10.3TouchNo description of non-text content Start playback, button
Fail VoiceOver iOS 9.1Safari iOS 9.1TouchNo description of non-text content Start playback, button
Fail VoiceOver iOS 8.3Safari iOS 8.3TouchNo description of non-text content Start playback, button
Fail Dolphin SR 15.05IE11 ReadingNothing voiced for video - no indication it exists
Fail SaToGo 3.4.96.0IE11 ReadingNo description of non-text content Start of video player. End of video player

Test notes

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: