Re: For you: A webpage that is 100% accessible to all people around the world, regardless of nationality or disability or Assistive Technology

doesn't work get blank page with no way to go anywhere

linux   Kubuntu 12.04LTS
Lynx  webbrowser
eMACspeak - screen reader

Bob




On Thu, 14 Aug 2014, SALES, TERRY LYNN wrote:

> Date: Thu, 14 Aug 2014 21:09:24 +0000
> From: "SALES, TERRY LYNN" <TERRYLYNN.SALES@cbp.dhs.gov>
> To: "'bryan.garaventa@whatsock.com'" <bryan.garaventa@whatsock.com>,
>     "'w3c-wai-ig@w3.org'" <w3c-wai-ig@w3.org>
> Subject: Re: For you: A webpage that is 100% accessible to all people around 
>     the world, regardless of nationality or disability or Assistive Technology
> Resent-Date: Thu, 14 Aug 2014 21:10:42 +0000
> Resent-From: w3c-wai-ig@w3.org
> 
> Ba dump bump.
>
> From: Bryan Garaventa [mailto:bryan.garaventa@whatsock.com]
> Sent: Thursday, August 14, 2014 03:58 PM Eastern Standard Time
> To: w3c-wai-ig@w3.org <w3c-wai-ig@w3.org>
> Subject: For you: A webpage that is 100% accessible to all people around the world, regardless of nationality or disability or Assistive Technology
>
> Recently, somebody asked me to show them a website that was 100% accessible, so I figured it would make a good experiment. Sort of a thought experiment I guess...
>
> So I built a webpage that is 100% accessible to all people in the world equally, regardless of nationality, disability type, or Assistive Technology used.
>
> Enjoy! It's available at
> http://whatsock.com/test/100_percent_accessible.htm
> Happy testing.
>
> With this 100% accessible baseline to start from, the accessibility percentage for all web technologies everywhere, scales downward to account for requisite variables, so that no web technology anywhere can be 100% accessible as a result.
>
> To demonstrate this, I also wrote the following algorithm, that calculates the general percentage of accessibility for any given web technology.
>
> X = (1 * Disability-Type * Browser-AT * Site-Interactivity * Site-Complexity * User-Experience)
> P = (Hardware * ((((1 * OS-AT) - X) * Accessibility-Level) + X)) * 100
>
> P is the general Percentage of accessibility calculated for a particular website or web technology feature, which is based on the following estimated values for each variable in the formula.
>
> Disability-Type
> 0.01: Deaf-Blind + Motor-Impaired
> 0.1: Deaf-Blind
> 0.2: Deaf + Motor-Impaired
> 0.3: Blind + Motor-Impaired
> 0.4: Partially Sighted + Motor-Impaired
> 0.5: Motor-Impaired
> 0.6: Blind
> 0.7: Deaf + Partially Sighted
> 0.8: Partially Sighted
> 0.9: Deaf
>
> Browser-AT
> 1: No AT
> 0.98: Internet Explorer + JAWS
> 0.93: Internet Explorer + NVDA
> 0.95: Firefox + JAWS
> 0.98: Firefox + NVDA
> 0.95: Safari + VoiceOver
> 0.6: Chrome + JAWS
> 0.7: Chrome + NVDA
> 0.95: Internet Explorer or Firefox or Chrome + Dragon
> 0.98: Internet Explorer or Firefox or Chrome + ZoomText
> 0.9: Internet Explorer or Firefox or Chrome or Safari + Braille Display
>
> Site-Interactivity
> 1: Contains All Static Elements
> 0.9: Contains Interactive Features
>
> Site-Complexity
> 1: Simple
> 0.95: Medium
> 0.9: Complex
>
> User-Experience
> 1: Advanced
> 0.95: Intermediate
> 0.9: Beginner
>
> Hardware
> 0: None
> 1: Computer
>
> OS-AT
> 0.001: No AT
> 0.99: Windows + JAWS
> 0.99: Windows + NVDA
> 0.99: Windows + Dragon
> 0.99: Windows + ZoomText
> 0.99: iOS + VoiceOver
> 0.99: OS X + VoiceOver
> 0.9: Windows or iOS or OS X + Braille Display
>
> Accessibility-Level
> 0.98: Fully Keyboard Accessible + ARIA Standards Compliant (when applicable) + WCAG Compliant
> 0.3: Fully Keyboard Accessible + ARIA Standards Compliant (when applicable) but not WCAG Compliant
> 0.3: Fully Keyboard Accessible but not ARIA Standards Compliant (when applicable) + WCAG Compliant
> 0.2: Fully Keyboard Accessible but not ARIA Standards Compliant (when applicable) nor WCAG Compliant
> 0.1: ARIA Standards Compliant (when applicable) but not Fully Keyboard Accessible nor WCAG Compliant
> 0.01: Neither Fully Keyboard Accessible nor ARIA Standards Compliant (when applicable) nor WCAG Compliant
>
> (More constants can always be added or adjusted)
>
> For example:
>
> (1 * .6 * .95 * .9 * .9 * .9) = 0.41553
> (1 * ((((1 * 0.99) - 0.41553) * .98) + 0.41553)) * 100 = 97.85106
>
> So roughly calculated, a Blind person(.6) using Safari+VoiceOver(.95) accessing a website that Contains Interactive Features(.9) that is Complex(.9) when the user is a Beginner(.9),
> in combination with Hardware(1) that includes iOS+VoiceOver(.99), upon a website that is
> Fully Keyboard Accessible + ARIA Standards Compliant (when applicable) + WCAG Compliant(.98), will have a general accessibility Percentage of 97.8.
>
> Like I said, these are just estimates, but I thought it would make an interesting experiment.
>
> Best wishes,
> Bryan
>

Received on Thursday, 14 August 2014 21:27:09 UTC