Transcript
OZeWAI @ OZCHI 2009
Roger HudsonWeb Usability
Carrots and Sticks
10 Years On
Web use today
Social Networking: 16 sites
Search: 12 sites
Technology: 11 sites
Buying & selling: 9 sites
News: 7 sites
Banking: 7 sites
Porn: 5 sites
Govt services: 4 sites
Most visited site categories
(from the top 100)
Source: Alexa (http://www.alexa.com/)
Accessibility: Better or Worse?
5 Most visited corporate sites(Australia)
WAVE Home page errors
Non-W3C content on home page?
JavaScript used on the home page?
Google Australia
4 No Yes
ebay Australia
20 Yes Yes
NineMSN 52 Yes Yes
News.com.au 21 Yes Yes
SMH 14 Yes Yes
Source: Alexa (http://www.alexa.com/)
5 Most visited Government sites(Australia)
WAVE Home page errors
Non-W3C content on home page?
JavaScript used on the home page?
ABC 1 Yes Yes
Bureau of Meteorology
3 No Yes
NSW Govt 14 No Yes
Vic Govt 5 No Yes
Qld Govt 11 No Yes
Source: Alexa (http://www.alexa.com/)
Different Disabilities
Sight 34%
Physical 20%
Intellectual 4%
Psychiatric 5%
Acqd Brain Damage 5%
Some ABS stats
Source: ABS Disability, Ageing and Careers survey
Intellectual disability 56%
Physical disability 17%
Hearing loss 14%
Visual loss 9%
Autism 3%
Source: Jaye Johnson, “Students with Disabilities in Post Secondary Education. Issues and Trends For a New Decade”
Of Year 12 Students with a disability, percentage of different disabilities
Cognitive and learning disorders?
“The incidence of learning disability in Australia, as in other western countries, is suggested to be 10% to 12% of the population, with 4% being severely affected”.
Learning disabilities
Carrots and sticks
Speak softly & carry a big stick
Shout& a Small twig
Regulators
Universality: Web for all?
It ain't 1999: Party or no party
More web content technologies
WCAG 1.0 –
Technological prohibition
Killing Bambi
Technological Technological diversitydiversity
WCAG 2.0 Accessibility Support
WCAG 2.0 Accessibility Support 1.Content works with assistive
technologies
2.User agents are available and don't discriminate
WCAG squib
Technology cross-roads
Prohibition
Acceptance
NZ Guidelines WCAG 2.0, Level AA
• Do not rely on scripts, applets and other programmatic objects (e.g. Flash, Silverlight and Javascript)
• Do not provide content in document formats other than HTML (e.g. PDF, RTF, Word, Flash, etc)
Source: NZ Government Web Standards, http://www.webstandards.govt.nz/technical/
Time for a rethink
Sticks don't always work
Incentives not barriers
“Carrots are better than sticks” New Scientist, Sept 2009
Look to the future
Embrace WCAG 2.0
Forgive the sins of the past
Assistive TechnologiesNot content Technologies
Conformance requirements
Compliance statements
Developer resources
Educate assistive technology users
Gov 2.0For everyone?
Thank you
Comments please
Roger Hudson
Email: rhudson@usability.com.au
Web: www.usability.com.au
Blog: www.dingoaccess.com
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