Cited by 59Digital Accessibility for DisabilitiesUsability and User Interface DesignAssistive Technology in Communication and Mobility

Fostering websites accessibility: A case study on the use of the Large Language Models ChatGPT for automatic remediation

Open access
Othman, Achraf, Dhouib, Amira, Nasser Al Jabor, Aljazi·2023·Proceedings of the 16th International Conference on PErvasive Technologies Related to Assistive Environments

Abstract

The use of automated accessibility testing tools remains a common practice for evaluating web accessibility. However, the results obtained from these tools may not always provide a comprehensive and complete view of a site's accessibility status. The main purpose of this study is to improve web accessibility by automatically remediating non-accessible ones using Large Language Models (LLM), particularly ChatGPT. The effectiveness of the used model in detecting and remediating accessibility issues to ensure compliance with the Web Content Accessibility Guidelines (WCAG 2.1) is also discussed. By using ChatGPT as a remediation tool, this study investigates the potential of LLM in improving web accessibility. In the case study, two websites that did not adhere to the WCAG 2.1 guidelines were selected as the primary experimental subjects for the study. These websites were assessed using the web accessibility evaluation tool, WAVE, to detect accessibility issues. The identified issues served then as the basis for remediation using ChatGPT. The effectiveness of the used advanced language model as a web accessibility remediation tool was evaluated by comparing its findings with those obtained from manual accessibility testing. The results of this comparison have significant implications for stakeholders involved in achieving WCAG compliance and contribute to the development of more accessible online platforms for individuals with disabilities.

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Crossref · 10.1145/3594806.3596542

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13 of 13 references verified0 citation errors · 0 not checkable

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  • LLMs are trained on large-scale web code corpora that frequently violate WCAG standards, leading models to reproduce inaccessible patterns in their outputs.

    “LLMs are trained on large-scale web code corpora that frequently violate WCAG standards [20, 25]-leading models to reproduce inaccessible patterns in their outputs [57].”

    From A Multi-Agent Framework for Accessible Web Code Generation (2026) · cites this paper as [57]

    The citation [57] is attached to the claim that LLMs reproduce inaccessible patterns in their outputs. The Results and Analysis section says ChatGPT’s performance depends on training-data quality, and §4.2 says some accessibility issues required manual remediation. Neither passage says the model reproduced inaccessible code patterns or links its outputs to non-WCAG-compliant training code; searches for those points found no supporting passage. (LLM, conf=0.73)

    Experimental — accuracy not yet measured
  • Current LLMs tend to prioritize visual appearance over their semantic reality.

    “Current LLMs tend to prioritize visual appearance over their semantic reality, which aligns with findings of Aljedaani et al. [10], Othman et al. [57].”

    From A Multi-Agent Framework for Accessible Web Code Generation (2026) · cites this paper as [57]

    Section 4.1 (Accuracy; page unavailable) reports that ChatGPT remediated 37 of 39 identified accessibility errors, including missing alternative image descriptions. Section 4.2 (Effectiveness; page unavailable) notes that some issues still required manual remediation, but neither section assesses whether LLMs prioritize visual appearance over semantic meaning. Searched for that comparison and for visually correct but semantically incorrect fixes. (LLM, conf=0.75)

    Experimental — accuracy not yet measured
  • LLMs can generate context-aware, extended textual descriptions or summaries of data that go beyond what a human might write manually for an alt text.

    “LLMs can generate context-aware, extended textual descriptions or summaries of data that go beyond what a human might write manually for an alt text [9].”

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Authors
Othman, A., Dhouib, A., & Nasser Al Jabor, A.
Affiliations
  • Mada Assistive Technology Centre (QA)
  • Digital Access Services Department, Mada Qatar Assistive Technology Center, Qatar
Venue
Proceedings of the 16th International Conference on PErvasive Technologies Related to Assistive Environments
Publisher
ACM
Published
2023-07-05
Pages
707-713
OpenAlex
W4385729888
Cited by
59
References
13
Citations by year
2026: 14 · 2025: 30 · 2024: 15
FWCI
24.74
Type
conference paper
Language
en
Open access
Locations
International Conference on PErvasive Technologies Related to Assistive Environments (PETRA) (publishedVersion)
Topics
  • Social Sciences › Human Factors and Ergonomics › Digital Accessibility for Disabilities
  • Physical Sciences › Computer Science › Human-Computer Interaction › Usability and User Interface Design
  • Health Sciences › Health Professions › Occupational Therapy › Assistive Technology in Communication and Mobility
Keywords
web accessibility, ChatGPT, large language models, automated accessibility testing, WAVE tool

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