APPLET with fallback content Screen reader compatibility

Last updated: September 5, 2016

Expected Result: works in a screen reader

Actual Result: causes problems in 11 screen reader / browser combinations

WCAG Technique: H35

Code used for this test:


        <applet code='appletComponentArch.DynamicTreeApplet' archive='https://docs.oracle.com/javase/tutorial/deployment/applet/examples/dist/applet_ComponentArch_DynamicTreeDemo/DynamicTreeDemo.jar' width='300' height='300'>
            <param name='permissions' value='sandbox'></param>
            Fallback content for applet
        </applet>
    

Change History

Last updated: September 5, 2016

Screen readerBrowserModeNotesWhat the user hears
OK NVDA 2016.2FF48 Reading Speak Fallback content for applet
Fail NVDA 2016.2IE11 ReadingFallback content not read, although it's visible on screen, no indication of applet content. Speak Embedded object
Fail NVDA 2015.2FF38 ReadingFallback content not read, no indication of what applet does. Speak Embedded object, clickable
Fail NVDA 2015.2IE11 ReadingFallback content not read, although it's visible on screen, no indication of applet content. Speak Embedded object
OK JAWS 17.0.2619FF48 Reading Speak Fallback content for applet
OK JAWS 17.0.2619IE11 Reading Speak Fallback content for applet
Fail JAWS 16.0.4350FF41 ReadingNothing voiced for applet - no indication it exists
OK JAWS 16.0.4350IE11 Reading Speak Fallback content for applet
Fail JAWS 15.0.9023FF38 ReadingNothing voiced for applet - no indication it exists
OK JAWS 15.0.9023IE11 Reading Speak Fallback content for applet
Fail JAWS 14.0.9002FF38 ReadingNothing voiced for applet - no indication it exists
OK JAWS 14.0.9002IE11 Reading Speak Fallback content for applet
Fail JAWS 13.0.852FF38 ReadingNothing voiced for applet - no indication it exists
OK JAWS 13.0.852IE11 Reading Speak Fallback content for applet
OK WindowEyes 9.2IE11 Reading Speak Fallback content for applet
OK WindowEyes 8.4IE11 Reading Speak Fallback content for applet
Fail VoiceOver OSX 10.11Safari 9.1.2 ReadingNothing voiced for applet - no indication it exists Speak Newline
Fail VoiceOver OSX 10.10Safari 8.0.6 ReadingNothing voiced for applet - no indication it exists Speak Newline
OK VoiceOver iOS 9.1Safari iOS 9.1TouchiOS does not support applets Speak Fallback content for applet
OK VoiceOver iOS 8.3Safari iOS 8.3TouchiOS does not support applets Speak Fallback content for applet
Fail Dolphin SR 15.05IE11 ReadingFallback content visible on screen, but nothing voiced in screen reader - no indication it exists
Fail SaToGo 3.4.96.0IE11 ReadingNothing voiced for applet - no indication it exists

SortSite rules: AccWcag1-1.1.1

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: