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Re: Non-modal window after time delay

for

From: Detlev Fischer
Date: Jun 7, 2017 7:41AM

The appearance (after a time delay) of the non-modal dialog is not announced by screen reader NVDA - but the next tab stop takes the unsuspecting user to the "Ja, ick doe mee.." link wherever you have been before, without the survey context being obvious at all. The keyboard focus is then trapped in the alert which in that sense behaves like a modal window. The alert would be announced if it was given the ARIA role alertdialog (whether that is a good design choice is another matter, however). On dismissal of the dialog the focus is not restored to the position where it was before.

The insertion of the dialog links into the focus order might be flagged under 2.4.3 Focus Order.



--
Detlev Fischer
testkreis c/o feld.wald.wiese
Thedestr. 2, 22767 Hamburg

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http://www.testkreis.de
Beratung, Tests und Schulungen für barrierefreie Websites

Fernand van Olphen schrieb am 07.06.2017 13:45:

> Hi everyone,
>
> On our website a non-modal window appears after a almost half a minute, asking
> visitors if they want to participate in a survey.
> (For example on this page:
> https://www.denhaag.nl/home/bewoners/loket/to/Grofvuil-of-tuinafval-wegbrengen-afvalbrengstations.htm.
> You will have to wait 25 seconds before the window scrolls into view, in the
> left hand corner)
>
> Two questions:
>
>
> 1) The window appears some time after the page has loaded. Is such a
> time-delay allowed by WCAG?
>
> 2) How can I make the appearance of this window known to users of
> assistive technology?
>
>
> Regards,
>
> Fernand van Olphen
> Accessibility Advisor
> Municipality of The Hague
>
> De disclaimer van toepassing op e-mail van de gemeente Den Haag vindt u op:
> http://www.denhaag.nl/disclaimer
> > > > >