Karl Groves
Data Mining Accessibility
#1about 4 minutes
How large-scale data was collected for accessibility research
The research methodology involved analyzing 14.6 million errors from 6 million URLs to establish a statistically significant dataset.
#2about 8 minutes
Common accessibility issues found through automated testing
Automated analysis reveals that 90% of issues fall into five categories, with missing alt text and navigation problems being the most frequent.
#3about 9 minutes
Analyzing the results of manual accessibility audits
Manual audits on representative samples show that keyboard accessibility and color contrast are top issues, with nearly half being high-severity problems.
#4about 8 minutes
The strong correlation between automated and manual testing
Data shows a significant overlap between automated and manual test findings, with seven of the top ten failing success criteria being identical.
#5about 3 minutes
Why testing before deployment is twice as effective
Pages tested before deployment have less than half as many issues as those tested after, proving the ineffectiveness of a reactive audit-fix cycle.
#6about 8 minutes
Applying extreme programming principles to accessibility
Sustainable accessibility is achieved by integrating practices like early automation, specific acceptance tests, pair programming, and treating accessibility as a core quality problem.
#7about 17 minutes
Q&A on developer tooling and testing best practices
The discussion covers developer resistance to in-IDE linting, the causes of false positives in tools, and the need for a layered testing strategy.
Related jobs
Jobs that call for the skills explored in this talk.
Matching moments
07:01 MIN
The importance of web accessibility as a core developer craft
WAD Live 22/01/2025: Exploring AI, Web Development, and Accessibility in Tech with Stefan Judis
Unlock full access
Log in or set up an account to access this feature and more.
07:55 MIN
Where to find reliable accessibility testing resources
WeAreDevelopers LIVE - - Gaps in CSS, EU Accessibility Act and more!
Unlock full access
Log in or set up an account to access this feature and more.
02:09 MIN
Using automated tools to find common accessibility issues
Oh S***! There's a New Accessibility Law and I'm Not Ready!
Unlock full access
Log in or set up an account to access this feature and more.
01:44 MIN
Making accessibility a core part of your development process
Oh S***! There's a New Accessibility Law and I'm Not Ready!
Unlock full access
Log in or set up an account to access this feature and more.
01:57 MIN
Why you should integrate accessibility early
Going on a CODE100 Accessibility Scavenger Hunt
Unlock full access
Log in or set up an account to access this feature and more.
04:37 MIN
Using automated tools for accessibility testing
Going on a CODE100 Accessibility Scavenger Hunt
Unlock full access
Log in or set up an account to access this feature and more.
01:22 MIN
Introducing the shift left approach to accessibility
Shift Left On Accessibility - Geri Reid
Unlock full access
Log in or set up an account to access this feature and more.
00:57 MIN
Adopting a user-centric accessibility mindset
Decoding web accessibility through audit
Unlock full access
Log in or set up an account to access this feature and more.
Featured Partners
Related Videos
Preventing Accessibility Issues Instead Of Fixing Them
Dirk Ginader
Accessibility powered by AI
Ramona Domen
Is This App Accessible? A Live Testing Demo
Eeva-Jonna Panula
Going on a CODE100 Accessibility Scavenger Hunt
Chris Heilmann & Daniel Cranney
Accessibility in React Application
Julia Undeutsch
Making Interactions Accessible to All Users
Anuradha Kumari
Mastering Keyboard Accessibility
Tanja Ulianova
The What, Why, Who and How of accessibility on the web
Konstantin Tieber
Related Articles
View all articles



From learning to earning
Jobs that call for the skills explored in this talk.







TechBiz Global GmbH
Augsburg, Germany
Remote
Docker
Node.js
Continuous Integration