Kilotest: Diagnoses of ancestor and descendant roles incompatible violation by HTML element 928 on Oregon Museum of Science and Industry page

Basics

About the Oregon Museum of Science and Industry page

• URL: https://omsi.edu/
• Tested 20 days ago by job 42w on 2026-05-12 at 23:14

About HTML element 928

• Tag name: DIV
• Text: All Categories … Professional Development
• Start tag: <div class="events-today__filters-buttons" role="group" aria-label="Filter events by category">
• XPath: [not obtained]
• Bounding box: x = 320, y = 2474, width = 1248, height = 40

Take me there

About the ancestor and descendant roles incompatible issue

• Why it matters: User may misunderstand or be blocked from exposure to an item
• Priority: highest
• Related WCAG standard: 4.1.2

Diagnoses

Here is how tools diagnose the ancestor and descendant roles incompatible issue for HTML element 928 of the Oregon Museum of Science and Industry page.

1. An element with role=group must not be a descendant of an element with role=list.

   Tool: Html Checker API (World Wide Web Consortium)