Measuring the Semantic Accessibility Gap in LLM-Generated Web UIs
Tommaso Calo, Alexandra-Elena Gurita, Luigi De Russis · 2026 · Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems (CHI EA '26)
Calo, Gurita, and De Russis investigate a blind spot of mainstream automated accessibility tools: while scanners like Axe-core reliably catch missing alt attributes or unlabelled form fields (syntactic violations), they cannot tell whether the values present are actually…
web accessibility · large language models · LLM code generation · semantic accessibility · WCAG