Accessibility Testing
Naisargi Shah
What is Accessibility Testing?
It is a subset of usability testing.
Software is tested to decide the accessibility of
the software for those with disabilities.
Who to consider ?
 Software developer/tester should keep in mind the people
with:
Blindness or low vision
Deafness or hearing loss
Limited movement
Photosensitivity
Speech disabilities
Reading disorders
Neurological disabilities
Standards and Guidelines
WCAG (Web Content Accessibility Guidelines)
WCAG 2.0
Disability Discrimination Act (mostly in UK,
Australia)
Americans with Disabilities Act (ADA)
WCAG
WCAG 2.0
 Collection of guidelines, which states the accessibility standards for
web software.
 Has 4 principles which consists of 12 guidelines.
 Within the guidelines, there are success criteria with 3 different levels: A,
AA, AAA.
Principle 1: Perceivable
Principle 2: Operable
 Guideline 1: Text Alternative
 Guideline 5: Keyboard Accessible
 Guideline 2: Time-based media
 Guideline 6: Enough Time
 Guideline 3: Adaptable
 Guideline 7: Seizures
 Guideline 4: Distinguishable
 Guideline 8: Navigable
Principle 3: Understandable
 Guideline 9: Readable
 Guideline 10: Predictable
 Guideline 11: Input Assistance
Principle 4: Robust
 Guideline 12: Compatible
Tools for Testing
 Accessibility Color Wheel: helps make the choice of
color pair to use for foreground and background in the
software.
http://gmazzocato.altervista.org/colorwheel/wheel.php
 Achecker: checks HTML pages using WCAG to check for
its accessibility.
Conclusion
 Consider people with disabilities while testing.
 Entry criteria: look at different types of disabilities.
 Exit criteria: software should be stated as accessible.
 Every user should get equivalent access.
What is accessibility testing part of?
a)Acceptance testing
b)Usability testing
c)Compatibility testing
d)All of the above
What is the full form of WCAG?
a)World Compatible Accessible Guide
b)Web Compatible Accessibility Guidelines
c)World Content Accessibility Guidelines
d)Web content Accessibility Guidelines
What are the 4 principles of WCAG?
a)Perceivable, Reliable, Operable, and Independent
b)Understandable, Reliable, Usable and Operable
c)Clear, Reliable, Dependent and Operable
d)Perceivable, Operable, Understandable and Robust
Thank You!