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Episode 20 – Accessible Websites, Screen Reader Barriers, and Automated Testing on U.S. Web Design System

Summary

Mark Miller, Justin Stockton, and guest Keith Casebonne examine how accessibility and artificial intelligence increasingly affect one another. They discuss AudioEye research showing that inaccessible websites can sharply reduce AI-agent task completion while increasing token use and energy demands, then connect those findings to Michael Taylor’s account of navigating the web with a screen reader. Taylor’s resourceful workarounds illustrate the potential of AI and emerging assistive technologies, but the group emphasizes that individual ingenuity cannot substitute for accessible design.

The conversation closes with concerns about proposals to automate accessibility testing for the U.S. Web Design System. The hosts argue that today’s AI cannot fully assess human experience and may reproduce existing accessibility failures, creating new technical debt across critical government services. Their broader conclusion is that AI should remain a carefully managed tool within a human-first accessibility process, not a replacement for expert review, authentic user testing, or the responsibility to build inclusive digital experiences.

In this episode

AudioEye Study Finds up to 68% Drop in AI Agent Task Completion on Inaccessible Websites

  • AudioEye’s study found that inaccessible websites can reduce AI-agent task completion by as much as 68%.
  • Because AI agents often rely on the accessibility tree, missing labels, alt text, and other accessibility information force them to work harder, consume more tokens and energy, or abandon tasks.
  • The group argues that accessible websites benefit both people with disabilities and AI systems, strengthening usability, return on investment, risk mitigation, and potentially environmental efficiency.
  • The hosts note that the study centers on AI-agent performance and AudioEye’s remediation product, while still including independently tested data and a deliberately accessible comparison site.

When Accessibility Issues Stop Me and When I Can Work Around Them

By Michael Taylor 

  • Michael Taylor describes which accessibility barriers completely block a native screen-reader user and which can be navigated through learned workarounds.
  • Examples include recurring keyboard traps, unlabeled controls, and product options such as colors that cannot be identified, sometimes making a purchase impossible or unreliable.
  • Taylor uses creative techniques—such as taking screenshots, asking AI to interpret a page, or using a phone to identify on-screen elements—but the hosts stress that users should not have to make this effort.
  • The discussion considers how AI, smart glasses, and more personalized assistive technology could expand access, while emphasizing that these tools do not replace accessible design.

A Trump team wants to automate U.S. Web Design System accessibility testing. Experts are worried.

By Madison Alder

  • The article examines plans to automate accessibility testing for the U.S. Web Design System, which supports federal as well as many state and local government websites.
  • The hosts are concerned that replacing established human review with AI, rather than introducing automation through a measured transition, could make essential public websites less accessible.
  • Current AI-generated code often reproduces accessibility defects from its training data; the group cites worsening website accessibility findings as a warning against treating AI as a complete audit solution.
  • They argue that apparent short-term savings may create costly technical debt, compliance problems, higher future token costs, and environmental impacts.
  • The recommended model is human-first: use AI as a supporting tool while retaining human judgment and testing of real user experiences.

Disability Deep Dive Podcast

About the authors

Mark Miller

Founder & CEO at

Mark SMiller is a digital accessibility consultant who helps organizations build accessible, inclusive digital experiences. He speaks regularly at industry conferences,, CSUN, CVENt and apperes on many webinars and podace. , He trains teams on practical, sustainable accessibility workflows.

Justin Stockton

Principal Accessibility Architect at

Justin has 25+ years of accessibility experience spanning software development and product management. His career began working on federal accessibility initiatives, including Disability.gov and the U.S. Access Board. He has led accessibility audits for global enterprises, architected innovative audit tools, and managed enterprise accessibility platforms serving 1000s of users.

Published in Podcasts The Accessibility Breakdown

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