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Screen Reader Testing Approach for Responsive Components – WCAG Compliance

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From: Ajeesh Thomas
Date: Jan 20, 2025 7:46AM

Dear Web AIM Community,

I am currently conducting NVDA-based screen reader testing on a web
application, specifically on laptops; mobile testing is not included in
this assignment.
I seek guidance on setting up a right testing approach from a WCAG
conformance perspective.

Could you please provide clarity on the following aspects:

1. How should screen reader testing be conducted to ensure the
accessibility of components that change behaviour based on screen size
adjustments? For example, Navigation Links /Site Map may become the
Navigation Menu once the Screen size is modified.
2. Is it necessary to perform screen reader testing at 200% and 400%
zoom levels to confirm the accessibility of components that undergo changes
upon resizing?
3. What do WCAG conformance documents state regarding this topic?

Please help me with your insights. Additionally, if there are any relevant
artifacts or references, kindly share them.

Thank you for your support.




--
Thanks and regards,
Ajeesh Chacko Thomas,

Senior Engineer/S M E Web/Apps Accessibility Testing
IBM Consulting, Bangalore
Phone: 812 33 812 22, 87 220 221 21

"I have promises to Keep,
And miles to go before I sleep. "