IFRAME with fallback content Screen reader compatibility

Last updated: September 5, 2016

Expected Result: works in a screen reader

Actual Result: causes problems in 7 screen reader / browser combinations

WCAG Technique: H64 Example 2

Code used for this test:


        <iframe src='1234.html' width='400' height='100'>
            This is iframe text
        </iframe>
    

Change History

Last updated: September 5, 2016

Screen readerBrowserModeNotesWhat the user hears
OK NVDA 2016.2FF48 ReadingFallback content is ignored Speak Iframe, this is an, link, example hyperlink in the target page. Out of iframe, blank.
Fail NVDA 2016.2FF48 TabbingSilence when tab focus stops on iframe. Speak Silence. Iframe, example hyperlink, link.
OK NVDA 2016.2IE11 ReadingIFRAME alternative content ignored, and doesn't appear in the DOM. Speak Frame, this is an, link, example hyperlink in the target page. Out of frame.
OK NVDA 2016.2IE11 TabbingFallback content is ignored Speak Frame, this is an, example hyperlink, link, in the target page. Example hyperlink, link. Out of frame.
OK NVDA 2015.2FF40 ReadingFallback content is ignored Speak Iframe, this is an, link, example hyperlink in the target page. Out of iframe, blank.
Fail NVDA 2015.2FF40 TabbingSilence when tab focus stops on iframe. Focus trap on forward tabbing - only when NVDA running Speak Silence. Example hyperlink, link.
OK NVDA 2015.2IE11 ReadingIFRAME alternative content ignored, and doesn't appear in the DOM. Speak Frame, this is an, link, example hyperlink in the target page. Out of frame.
OK NVDA 2015.2IE11 TabbingFallback content is ignored Speak Frame, this is an, example hyperlink, link, in the target page. Example hyperlink, link. Out of frame.
OK NVDA 2014.1FF28 ReadingFallback content is ignored Speak IFrame, This is an, link, example hyperlink in the target page. Example hyperlink, link.
OK NVDA 2014.1FF28 TabbingFallback content is ignored Speak IFrame. This is an, link, example hyperlink in the target page. Example hyperlink, link.
OK NVDA 2014.1IE11 ReadingIFRAME alternative content ignored, and doesn't appear in the DOM. Speak Frame, This is an, link, example hyperlink in the target page. Out of frame.
OK NVDA 2014.1IE11 TabbingFallback content is ignored Speak Frame. This is an, link, example hyperlink in the target page. Example hyperlink, link.
OK JAWS 17.0.2619FF48 ReadingReads out title tag of frame source page, and doesn't read out alternative content. Speak Example target, frame. This is an, link, example hyperlink, in the target page. Example target frame end.
OK JAWS 17.0.2619FF48 TabbingReads out title tag of frame source page. Speak Tab, frame, example target. Tab, example hyperlink, link.
OK JAWS 17.0.2619IE11 ReadingJAWS 15 reads out iframe alt content, JAWS 16 no longer does this. Speak Example target, frame. This is an, link, example hyperlink, in the target page. Example target frame end.
OK JAWS 17.0.2619IE11 TabbingFallback content is ignored Speak Example target, frame. Example hyperlink, link.
OK JAWS 16.0.4350FF40 ReadingReads out title tag of frame source page, and doesn't read out alternative content. Speak Example target frame. This is an, link, example hyperlink, in the target page. Example target frame end.
OK JAWS 16.0.4350FF40 TabbingFallback content is ignored Speak Tab, frame, this is an. Tab, example hyperlink, link.
OK JAWS 16.0.4350IE11 ReadingJAWS 15 reads out iframe alt content, JAWS 16 no longer does this. Speak Example target frame. This is an, link, example hyperlink, in the target page. Example target frame end.
OK JAWS 16.0.4350IE11 TabbingFallback content is ignored Speak Example target, frame. Example hyperlink, link.
OK JAWS 15.0.9023FF29 ReadingReads out title tag of frame source page, and doesn't read out alternative content. Speak Example target frame. This is an, link, example hyperlink, in the target page. Example target frame end.
OK JAWS 15.0.9023FF29 TabbingFallback content is ignored Speak Frame. This is an. Example hyperlink, link.
OK JAWS 15.0.9023IE11 ReadingReads out ALT content - not seen another screen reader do this. Speak Example target frame. This is an, link, example hyperlink, in the target page. This is iframe text. Example target frame end.
OK JAWS 15.0.9023IE11 TabbingFallback content is ignored Speak Example target, frame. Example hyperlink, link.
Fail JAWS 14.0.9002FF29 ReadingReads out filename of frame. Speak Twelve thirty four frame. This is an. Link, example hyperlink. In the target page. Twelve thirty four frame end.
OK JAWS 14.0.9002FF29 TabbingFallback content is ignored Speak Frame. This is an. Example hyperlink, link.
OK JAWS 14.0.9002IE11 ReadingReads out title tag of frame source page, fallback content is ignored. Speak Example target, frame. This is an, link, example hyperlink, in the target page. Example target, frame end.
OK JAWS 14.0.9002IE11 TabbingFallback content is ignored Speak Example target, frame. Example hyperlink, link.
OK JAWS 13.0.852FF29 ReadingReads out title tag of frame source page, fallback content is ignored. Speak Example target frame. This is an, link, example hyperlink, in the target page. Example target frame end.
OK JAWS 13.0.852FF29 TabbingFallback content is ignored Speak Example target, frame. Example hyperlink, link.
OK JAWS 13.0.852IE11 ReadingReads out title tag of frame source page. Speak Example target, frame. This is an, link, example hyperlink, in the target page.
OK JAWS 13.0.852IE11 TabbingFallback content is ignored Speak Example target, frame. Example hyperlink, link.
OK WindowEyes 9.2IE11 ReadingStops speaking at line wraps in IFRAME. Speak This is an. Link, example hyperlink. In the. Target. Page.
OK WindowEyes 9.2IE11 TabbingFallback content is ignored Speak Frame. Link, example hyperlink
Fail WindowEyes 8.4IE11 ReadingReads out "Untitled" for frame name. Speak Untitled iframe. This is an, link, example hyperlink, in the target page. End frame.
OK WindowEyes 8.4IE11 TabbingFallback content is ignored Speak Link, example hyperlink
Fail VoiceOver OSX 10.11Safari 9.1.2 ReadingMeaningless frame title read out. Speak Frame one
OK VoiceOver OSX 10.11Safari 9.1.2 Tabbing Speak Link, example hyperlink
Fail VoiceOver OSX 10.10Safari 8.0.6 ReadingMeaningless frame title read out. Speak Frame one
OK VoiceOver OSX 10.10Safari 8.0.6 Tabbing Speak Link, example hyperlink
Fail VoiceOver OSX 10.9Safari 7.0.3 ReadingMeaningless frame title read out. Speak Frame one
OK VoiceOver OSX 10.9Safari 7.0.3 TabbingFallback content is ignored Speak Leaving frame link, example hyperlink
OK VoiceOver iOS 9.1Safari iOS 9.1TouchFallback content is ignored Speak This is an, example hyperlink, link, in the target page.
OK VoiceOver iOS 8.4Safari iOS 8.4TouchFallback content is ignored Speak This is an, example hyperlink, link, in the target page.
OK VoiceOver iOS 7.1Safari iOS 7.1TouchFallback content is ignored Speak This is an, example hyperlink, link, in the target page.
OK Dolphin SR 15.05IE11 Reading Speak Frame, normal, this is an. Example hyperlink, link. In the target page
OK Dolphin SR 15.05IE11 TabbingFallback content is ignored Speak Frame, example hyperlink, link
OK SaToGo 3.4.96.0IE11 ReadingFallback content is ignored Speak This is an, link, example hyperlink in the target page
OK SaToGo 3.4.96.0IE11 TabbingFallback content is ignored Speak Example hyperlink, link

SortSite rules: AccWcag1-1.1.7

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: