Chrome tools and AI technologies to test Accessibility
@GlafiraZhur for the GDG Faro
April 2024



Glafira Zhur
Twitter: @glafirazhur

Accessibility Project Manager
GDE for Web

Accessibility Club Minsk
Accessibility Unity

PC Member




Modal window demo


People With Disabilities
15% of population
1,211,238,211
Earth population
8,074,921,408
15%




Temporary disabilities and external conditions are NOT INCLUDED
Legislation
- USA: Section 508, ADA (now)
- EU: European Accessibility Act (2025)
- Canada: AODA (2021)
Statistics (US)




Screen Reader

Screen Reader reading order
But you can only access the elements which are in the
Accessibility Tree

Accessibility Tree

Enable the Accessibility Tree view



Accessibility Tree view

Name
(label)
Role
(semantics)
Value
(properties and states)

dialog

label
modality
Chrome DevTools Accessibility Tab

Modal a11y tree attributes



aria


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What else can you test?
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Google Lighthouse

Google Lighthouse Score

Google Lighthouse Errors and Suggestions

Color Contrast

Color Contrast throug the CSS Overview

Color Contrast APCA ratio algorithm

Vision Deficiencies Emulator

How to AI accessibility?
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For a11y, AI is mostly presented on the user's side.
Accessibility on Chrome

Accessibility extentions on Chrome

Repeat
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Find yourself in 95% of inaccessible websites
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Don't check the recomendations
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Ask AI for recomendations 😅
How to AI a11y development?






Repeat RECHECK
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More reading 😅😌
WCAG (Web Content Accessibility Guidelines) - a single shared standard for web content accessibility that meets the needs of individuals, organizations, and governments internationally.
WCAG

How to Meet WCAG
Accessible Components, Design Systems, Guidelines
Glafira Zhur
Twitter: @glafirazhur
Thank you!

Learn accessibility!


Chrome tools and AI technologies to test Accessibility
By Glafira Zhur
Chrome tools and AI technologies to test Accessibility
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