“
Why is accessibility
not considered at work?
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?
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◉ Started on the wrong foot due to complaints
◉ Don’t know how to deal with the problem
◉ The risk of doing nothing is not clear
◉ Don’t want to have more tasks
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Challenges
Ref：Deque Systems
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“
If you know your enemy and know yourself,
in a hundred battles you will never be defeated.
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The problem and how to deal with it
What?
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1
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Types of Disabilities
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Visual
Cognitive
Motor
Auditory
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◉ Difficulties distinguishing colors
◉ Can’t read the text
◉ Can’t see the screen
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Visual Problems
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◉ Troubles clicking small buttons
◉ Difficulties with some gestures
◉ Can’t use the touch screen
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Motor Problems
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◉ Troubles reading long text
◉ Difficulties comprehending words
◉ Can’t understand the UI
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Cognitive Problems
Levels of Conformance
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A Single A 25 items Minimum
AA Double A 13 items Better
AAA Triple A 23 items Best
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JIS X 8341-3:2016
◉ Web accessibility standard in Japan
◉ Also used for mobile phones
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“JIS X 8341-3:2016 Level AA Compliant”
Aim for the certification! ✊
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You are not alone
◉ CyberAgent
◉ Freee
◉ MDN
◉ MedPeer (soon)
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◉ Started on the wrong foot due to complaints
◉ Don’t know how to deal with the problem
◉ The risk of doing nothing is not clear
◉ Don’t want to have more tasks
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Challenges
Ref：Deque Systems
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Why？
Merits and risks for business
2
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Marketing Boost
◉ Improve your company’s image✨
◉ Keep up with industry trends
◉ Differentiate yourself from your competition
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Respond to expectations
◉ Attract loyal customers
◉ Broaden your reach
◉ Avoid negative publicity
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◉ Having a guideline helps write cleaner code
◉ Reusing components increases productivity
◉ Implementing UI tests eases maintenance
Improve developers’ life
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Future 2050 seniors are
currently in their 30s
All heavy smartphone users
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Your user base is changing
◉ Japanese population is shrinking
◉ Your current users are aging
◉ Aging troubles start before 65 years old
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() Internet usage situation （%）
Ref：総務省 (1 / 2)
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Don’t improve accessibility
Disabled people unable
to use the product
“So there’s no need to
consider them”
Disabled people
seen as a minority
Don’t appear in user stats
(+ Low awareness in society)
Ref：pacingpixie / HubSpot / 内閣府
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The invisible population
◉ People can’t talk due to social pressure
◉ You might be the reason you don’t see them
◉ The target is different from government stats
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It helps everyone
◉ It’s not “Disabled vs Normal People”
◉ You can be temporarily/situationally disabled
◉ “Don’t assume anything”
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Create a better product
◉ Constraints drive creativity
◉ Better skills ensure higher product quality
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BAD DESIGNS DISABLE PEOPLE
Ref：btrax
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() Web accessibility related lawsuits
Ref：UsableNet
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It is required by law
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Ref：内閣府
The Act for Eliminating Discrimination against Persons
with Disabilities was revised in 2021,
Now mandatory for private-sector too
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◉ Started on the wrong foot due to complaints
◉ Don’t know how to deal with the problem
◉ The risk of doing nothing is not clear
◉ Don’t want to have more tasks
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Challenges
Ref：Deque Systems
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Integration process
How?
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3
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Planning &
Analysis
Design
Implementation
Testing
Maintenance
You want to check at each stage
Ref：TPGi
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Roadmap
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1
Observe
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Observe
◉ How much attention is paid to the problem?
◉ What is the current state of your app?
◉ Who is the decision maker?
◉ Who are your allies?
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Roadmap
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1
Observe
2
Research
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Research
◉ Basics (targets, problems, assistive technologies)
◉ Why you need accessibility
◉ WCAG
◉ Inclusive Design
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Roadmap
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2
3
Plan
Research
1
Observe
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Plan
◉ Set achievable, incremental goals
◉ Identify problems, create tickets
◉ Prioritize tickets, complete them
Ref：W3C, Web担当者Forum / 弁護士ドットコム
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“
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Do what you can within
your reach, little by little,
continuously
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◉ Start with small & easy changes
◉ Go gradually (ex: one ticket per sprint)
◉ Integrate checks into existing processes
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Think on the long term
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Roadmap
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3
Plan
1
Observe
2
Research
4
Implement
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WCAG Perceivable level A items
Just screen reader support
Finally released 😭✨
WCAG Perceivable level A items
kakari for Clinic
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Roadmap
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4
5
Maintain
Implement
2
Research
1
Observe
3
Plan