RE: Proposed SC on notification of dynamic changes to apage

[John F. wrote]

Ø  but I think attempting to specify a specific value here will be overly prescriptive for a Success Criteria, and likely get some push-back. There is also the 'issue' of polite vs. assertive updates in aria-live - would that come into play here as well?

+1 to John.  My sentiments exactly.

Jonathan

From: John Foliot [mailto:john.foliot@deque.com]
Sent: Sunday, June 26, 2016 6:37 PM
To: White, Jason J
Cc: David MacDonald; Bradley Montgomery, Rachael L.; ALAN SMITH; WCAG
Subject: Re: Proposed SC on notification of dynamic changes to apage

> ... unless the primary purpose of the web page is to provide​ real time updates where there are more than [x] update(s) a minute.

> My thinking is that we could ask the blind community how many updates is too much...

Hi David,

I understand the thinking here, but I fear that any specific number we try to determine will be too long/many for some, and not enough for others. I am reminded of a comment made by Jamie (Knight) and Lion at CSUN 2014: "At the end of this presentation you will know about exactly one autistic person..."

In a perfect world, screen readers and websites would allow the individual user the option to adjust the frequency of updates (which echos the recurring theme of personalization we're seeing and hearing from COGA), but I think attempting to specify a specific value here will be overly prescriptive for a Success Criteria, and likely get some push-back. There is also the 'issue' of polite vs. assertive updates in aria-live - would that come into play here as well?

JF

On Sat, Jun 25, 2016 at 2:11 PM, White, Jason J <jjwhite@ets.org<mailto:jjwhite@ets.org>> wrote:


From: David MacDonald [mailto:david100@sympatico.ca<mailto:david100@sympatico.ca>]
I've moved the section of whether or not initiated by the user to the definition of Change of Content, to tighten up the wording of the SC a bit...
[Jason] Excellent. It’s progressing in the right direction.

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John Foliot
Principal Accessibility Strategist
Deque Systems Inc.
john.foliot@deque.com<mailto:john.foliot@deque.com>

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