Nested ARIA headings Screen reader compatibility

Last updated: October 16, 2016

Expected Result: causes problems in some screen readers

Actual Result: causes problems in 28 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:


        <div role='heading' aria-level='1'>First level heading
            <div role='heading' aria-level='2'>Second level heading</div>
        </div>

        <p>Heading 2 content</p>
    

Change History

Last updated: October 16, 2016

Screen readerBrowserModeNotesWhat the user hears
Fail NVDA 2016.2FF48HeadingReader gets very confused over heading level. First level heading, second level heading, heading level 1. Second level heading, heading level 2, heading level 1
Fail NVDA 2016.2IE11HeadingReader gets very confused over heading level. First level heading, second level heading, heading level 1. Second level heading, heading level 2, heading level 1
Fail NVDA 2015.2FF41HeadingReader gets very confused over heading level. First level heading, second level heading, heading level 1. Second level heading, heading level 2, heading level 1
Fail NVDA 2015.2IE11HeadingReader gets very confused over heading level. First level heading, second level heading, heading level 1. Second level heading, heading level 2, heading level 1
Fail NVDA 2014.1FF29HeadingReader gets very confused over heading level. First level heading, Second level heading, heading level 1. Second level heading, heading level 2, heading level 1
Fail NVDA 2014.1IE11HeadingARIA headings ignored.
Fail NVDA 2012.1FF29HeadingReader gets very confused over heading level. First level heading, Second level heading, heading level 1. Second level heading, heading level 2, heading level 1
Fail NVDA 2012.1IE11HeadingARIA headings ignored.
Fail JAWS 17.0.2619FF48HeadingReader gets very confused over heading level. First level heading, second level heading, heading level 2.
Fail JAWS 17.0.2619IE11HeadingReader gets very confused over heading level. First level heading, second level heading, heading level 2.
Fail JAWS 16.0.4350FF41HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 16.0.4350IE11HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 15.0.9023FF29HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 15.0.9023IE11HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 14.0.9002FF29HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 14.0.9002IE11HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 13.0.852FF29HeadingSecond level heading ignored. First level heading, heading level 1.
Fail JAWS 13.0.852IE11HeadingSecond level heading ignored. First level heading, heading level 1.
Fail WindowEyes 9.2IE11HeadingReader gets very confused over heading level. Heading 1, first level heading, heading 2, second level heading. Heading 1, heading 2, second level heading.
Fail WindowEyes 8.4IE11HeadingARIA headings ignored.
Fail VoiceOver OSX 10.11Safari 9.1.2HeadingReader gets very confused over heading level. Heading level 1 2 items, first level heading, heading level 2 second level heading.
Fail VoiceOver OSX 10.10Safari 9.0.1HeadingReader gets very confused over heading level. Heading level 1 2 items, first level heading, heading level 2 second level heading.
Fail VoiceOver OSX 10.9Safari 7.0.3HeadingReader gets very confused over heading level. Heading level 1 2 items, first level heading, heading level 2 second level heading.
Fail VoiceOver iOS 9.1Safari iOS 9.1TouchReader gets very confused over heading level. First level heading, heading level 1. Second level heading, heading level 1.
Fail VoiceOver iOS 8.4Safari iOS 8.4TouchReader gets very confused over heading level. First level heading, heading level 1. Second level heading, heading level 1.
Fail VoiceOver iOS 7.1Safari iOS 7.1TouchReader gets very confused over heading level. First level heading, heading level 1. Second level heading, heading level 1.
Fail Dolphin SR 15.05IE11HeadingARIA headings ignored.
Fail SaToGo 3.4.96.0IE11HeadingARIA headings ignored.

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: