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Accessibility: It's More Than Just Screen Readers
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Fen Slattery
April 17, 2018
Programming
1
120
Accessibility: It's More Than Just Screen Readers
As presented at Indy.Code() on April 17, 2018
Fen Slattery
April 17, 2018
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Transcript
Accessibility It's More Than Just Screen Readers @sublimemarch
Stephanie Slattery @sublimemarch @sublimemarch
What is accessibility? @sublimemarch
The design of products, devices, services, or environments for people
who experience disabilities. @sublimemarch
It's the practice of removing barriers that might prevent people
with disabilities from accessing something. @sublimemarch
Accessibility is about inclusion. @sublimemarch
Technology is exists to make our lives easier, not harder.
@sublimemarch
Let's talk about disability. @sublimemarch
Disability can be the result of disease, trauma, or genetics.
@sublimemarch
Disability can be permanent, chronic, or temporary. @sublimemarch
Categories of Disability • @sublimemarch
Categories of Disability •visual @sublimemarch
Categories of Disability •visual •hearing @sublimemarch
Categories of Disability •visual •hearing •motor @sublimemarch
Categories of Disability •visual •hearing •motor •cognitive @sublimemarch
People with disabilities are using the technology you create. @sublimemarch
Assistive Technology •screen readers •magnifiers (hardware and software) •large print
and tactile keyboards •eye gaze and head mouse systems •speech recognition @sublimemarch
@sublimemarch
@sublimemarch
@sublimemarch
1 in 5 Americans have a disability @sublimemarch
56.7 million people @sublimemarch
1 in 10 Americans have a disability that impacts computer
use @sublimemarch
Accessibile design helps everyone! @sublimemarch
@sublimemarch
@sublimemarch
Ability is temporary. @sublimemarch
Why would we make something accessible? @sublimemarch
To improve the lives of people with disabilities @sublimemarch
We are responsible for what we create. @sublimemarch
To capitalize on a wider audience or consumer base @sublimemarch
$175 billion in discretionary income @sublimemarch
It's the law. @sublimemarch
Rehabilitation Act of 1973 @sublimemarch
Americans with Disabilities Act (1990) @sublimemarch
Lawsuits •MIT and Harvard - no captions •Scribd - inaccessible
to screen readers •Netflix - no captions •H&R Block - inaccessible site and app •Reebok - inaccessible to screen readers @sublimemarch
How do I know if what I'm making is accessible?
@sublimemarch
Listen to people with disabilities. @sublimemarch
Follow best practices. @sublimemarch
Web Content Accessibility Guidelines 2.0 @sublimemarch
Conformance Levels •A - minimum, not quite enough @sublimemarch
Conformance Levels •A - minimum, not quite enough •AA -
addresses most common issues @sublimemarch
Conformance Levels •A - minimum, not quite enough •AA -
addresses most common issues •AAA - highest level, but not always possible @sublimemarch
Four Principles of the WCAG @sublimemarch
1. Perceivable • @sublimemarch
1. Perceivable •text alternatives @sublimemarch
1. Perceivable •text alternatives •captions @sublimemarch
1. Perceivable •text alternatives •captions •doesn't rely on sensory characteristics
@sublimemarch
1. Perceivable •text alternatives •captions •doesn't rely on sensory characteristics
•doesn't rely on color @sublimemarch
1. Perceivable •text alternatives •captions •doesn't rely on sensory characteristics
•doesn't rely on color •can control audio @sublimemarch
2. Operable • @sublimemarch
2. Operable •can navigate with keyboard @sublimemarch
2. Operable •can navigate with keyboard •can pause/stop video @sublimemarch
2. Operable •can navigate with keyboard •can pause/stop video •prevent
seizures @sublimemarch
2. Operable •can navigate with keyboard •can pause/stop video •prevent
seizures •skip links @sublimemarch
2. Operable •can navigate with keyboard •can pause/stop video •prevent
seizures •skip links •visible focus @sublimemarch
3. Understandable • @sublimemarch
3. Understandable •languages labeled @sublimemarch
3. Understandable •languages labeled •no unpredictable changes on focus/input @sublimemarch
3. Understandable •languages labeled •no unpredictable changes on focus/input •consistent
navigation @sublimemarch
3. Understandable •languages labeled •no unpredictable changes on focus/input •consistent
navigation •errors identified @sublimemarch
3. Understandable •languages labeled •no unpredictable changes on focus/input •consistent
navigation •errors identified •labels and instructions @sublimemarch
4. Robust • @sublimemarch
4. Robust •complete and correct markup @sublimemarch
4. Robust •complete and correct markup •UI elements can be
programatically determined @sublimemarch
Open Accessibility Framework (OAF) @sublimemarch
Creation @sublimemarch
Use @sublimemarch
But it's more than just the guidelines... @sublimemarch
Guidelines are tools, not solutions. @sublimemarch
Listen to people with disabilities. @sublimemarch
How can you advocate for accessibility? @sublimemarch
Collect baseline information. @sublimemarch
Gather support. @sublimemarch
Define a standard. @sublimemarch
Monitor conformance. @sublimemarch
If not you, then who? @sublimemarch
You can do it! @sublimemarch
We're all responsible for improving the lives of people who
use our technology. @sublimemarch
Accessibility It's More Than Just Screen Readers @sublimemarch
Stephanie Slattery @sublimemarch @sublimemarch