Kilotest: Diagnoses of attribute value invalid violation by HTML element 19 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 38 days ago by job 51z on 2026-04-24 at 20:10

About HTML element 19

• Tag name: SCRIPT
• Text: [not applicable]
• Start tag: <script async="true" src="https://tr.snapchat.com/config/edu/4ea36ad6-efed-401f-b1dd-6f07aa98bb0f.js?v=3.56.1-2604231811" crossorigin="anonymous">
• XPath: /html/head[1]/script[3]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the attribute value invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the attribute value invalid issue for HTML element 19 of the Portland State University Senior Adult Learning Center page.

1. Bad value true for attribute async on element script.

   Tool: Html Checker API (World Wide Web Consortium)