Kilotest: Diagnoses of parent invalid violation by HTML element 543 on Portland State University Senior Adult Learning Center page

Basics

About the Portland State University Senior Adult Learning Center page

• URL: https://www.pdx.edu/senior-adult-learning-center/
• Tested 30 days ago by job gr7 on 2026-05-03 at 04:33

About HTML element 543

• Tag name: UL
• Text: ADD TO MY CALENDAR
• Start tag: <ul class="atcb-list">
• XPath: [not obtained]
• Bounding box: x = 1244, y = 4080, width = 170, height = 172

About the parent invalid issue

• Why it matters: User cannot properly operate an item
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the parent invalid issue for HTML element 543 of the Portland State University Senior Adult Learning Center page.

1. Element ul not allowed as child of element span in this context. (Suppressing further errors from this subtree.)

   Tool: Html Checker API (World Wide Web Consortium)