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Web accessibility for an ageing population OZeWAI Conference 30 November 2011 Andrew Arch - PowerPoint PPT Presentation

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1. Web accessibility for an ageing population OZeWAI Conference 30 November 2011 Andrew Arch Assistant Director, Web Policy – Accessibility. Australian Government Information Management Office (AGIMO). Ageing in Australia. Intergenerational Review 2010 (Treasury) Acknowledges:

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  • Web accessibility for an ageing population

  • OZeWAI Conference

  • 30 November 2011

  • Andrew Arch

  • Assistant Director, Web Policy – Accessibility

Australian Government Information Management Office (AGIMO)

Ageing in australia
Ageing in Australia

  • Intergenerational Review 2010 (Treasury)

  • Acknowledges:

  • Population is ageing

  • Increased spending required on health, age-pensions, aged-care

  • Age-care policies need to enable people to stay in the community as long as possible


Extended working career
Extended working career

Age Commissioner:

“A recent Deloittes report on the looming national skills shortage asked the question that should be on the lips of most businesses: Where is your next employee coming from?” Commissioner Ryan said. “Their answer was clear – your next employee is retired or about to retire.”

Ageing in europe
Ageing in Europe

  • EC funded projects around ICT for ageing well

  • Smart homes

  • Smart appliances

  • E-health

  • Monitoring

  • Independent living

Demographic changes

Draws on


Global demographic changes

Developed with material from W3C Web () /

United Nations global demographic forecast

Source: UN World Population Prospects

Global demographic changes

European situation

Demographic forecast for the EU

Source: EuroStat

European situation

Japanese situation

Demographic forecast for Japan

Source: Japanese Statistics Bureau

Japanese situation

Australia s situation

Demographic forecast for Australia

Source: ABS Population Projections

Australia’s situation

Ageing and hearing loss
Ageing and hearing loss

  • Impact:

  • Audio can be difficult to discern

  • Higher pitch sounds can be missed

  • Prevalence:

  • 47% of people 61 to 80 years

  • 93% of people 81+ years

Ageing and vision decline
Ageing and vision decline

  • Impact:

  • Decreasing ability to focus on near tasks

  • Changing colour perception and sensitivity

  • Decreasing contrast sensitivity

  • Prevalence:(significant vision loss)

  • 16% of people 65 - 74 years

  • 19% of people 75 – 84 years

  • 46% of people 85+ years

Ageing and physical decline
Ageing and physical decline

  • Impact:(Motor skill decline can result from many conditions including arthritis and Parkinson's Disease)

    • Difficulty using mouse or keyboard

    • Difficult to click small areas

    • Strain from non-ergonomic tasks

  • Prevalence:(Conditions commonly reported)

    • Arthritis

      • At least 50% of people over 65 affected

    • Essential tremor

      • Affects up to 20% of people over 65

    • Parkinson's Disease

      • Approximately 4% of people over 85 affected

Ageing and cognitive decline
Ageing and cognitive decline

  • Impact:Navigation, comprehension, and task completion can be affected by:

    • Short term memory problems

    • Difficulty with concentration

    • Distraction from movement or irrelevant material

    • Difficulty coping with information overload

  • Prevalence:(Conditions commonly reported)

    • Dementia:

      • 1.4% of people 65-69 yrs

      • 24% of people 85+ yrs 

    • Mild cognitive impairment (MCI) is more common:

      • Around 20% of people over 70 years are estimated to experience MCI

Unprecedented opportunities for
Unprecedented opportunities for:

  • Social interaction and communication

  • Access to information

  • Access to eCommerce

  • Access to government services and civic participation

  • Training and learning opportunities

  • Employment, research, and access to workplace applications

Older australians and the internet
“Older Australians and the Internet”

Participants awareness of and interest in the internet

Older australians and the internet1
“Older Australians and the Internet”

Barriers identified:

Don’t know how to use it

Confused by the technology

Concern about security and viruses

Don’t know what it does

Rely on friends & family

Observations from the literature
Observations from the literature

Many studies seemed unaware of the W3C/WAI work

Information overload was commonly identified

Less technical, more usability, requirements predominated

Accessibility options were not appreciated by users

Adaptive strategies were seldom considered

Assistive technology was not discussed

Hearing as an impairment was ignored

Draws on

Roger hudson s survey 2010
Roger Hudson’s survey (2010)

Common problems

“Silly little picture about nothing”

“Fancy stuff that keeps moving”

“Finding what I’m after”

“Too many navigation choices”

Text size or colour

Text size sometimes a problem for 48%

Colour mentioned by 23% /

Accessible web content
Accessible web content

Requirements include:

Readable and understandable text

Identifiable and understandable links

Clear and identifiable headings

Good orientation and navigation

WCAG 2.0 addresses these

Usability improvements
Usability improvements

Usability improvements especially help older people and people with disabilities:

Page layout and design - provide consistency and avoid overload

Text presentation - use left justification, increase line spacing & margins, avoid italics and underlining

Forms - avoid complexity and provide clear guidance

Menus and links - provide predictability and consistency

WCAG 2.0 also addresses these

Wai age goals
WAI-AGE goals

Raising awareness of Web accessibility for older people

Better explaining the applicability of the WAI guidelines for older people

Avoiding potential fragmentation through reinvention of requirements

Encouraging participation of older people in W3C/WAI standardization

Wai age resources
WAI-AGE resources

Revision of existing WAI resources, including:

Developing a Web Accessibility Business Case for Your Organization

Before and After Demonstration (BAD) website

Involving Users in Web Projects for Better, Easier Accessibility

Developing Web Accessibility Presentations and Training

Wai age resources1
WAI-AGE resources

New WAI resources:

Better Web Browsing - Tips to customize your computer

Contacting Organizations about Inaccessible Websites

Developing Websites for Older People

How to Make Presentations Accessible to All

Websites for older people how wcag 2 0 applies
Websites for Older People:How WCAG 2.0 Applies


Text size

Text style and text layout

Color and contrast


Text-to-speech (speech synthesis)




Navigation and location

Mouse use

Keyboard use and tabbing


Sufficient time


Page organization

Understandable language

Consistent navigation and labeling

Pop-ups and new-windows

Page refresh and updates

Instructions and input assistance

Error prevention and recovery for forms


Older equipment/software

National seniors australia report
National Seniors Australia report

Older people will be online for :


Social networking

Adult learning

Shopping & banking



Web Accessibility National Transition Strategy

National Broadband Network

Digital Communities


Silver Surfers Day/week

Race Online 2012

Nts timeframes
NTS timeframes

  • Implementation WCAG 2.0 by Australian Governments in accordance with agreed work plan

    • Level A by December 2012

    • Level AA by December 2014

  • Bottom line - websites that are not accessible are not fit for purpose