Kilotest: Diagnoses of parent invalid violation by HTML element 111 on Metropolitan Transportation Authority page

Basics

About the Metropolitan Transportation Authority page

• URL: https://www.mta.info/
• Tested 30 days ago by job oyu on 2026-06-20 at 13:49

About HTML element 111

• Tag name: DIV
• Text: Back
• Start tag: <div role="presentation" class="mta-mr-200 mta-flex mta-items-center">
• XPath: /html/body/div[1]/section[1]/div[1]/section[1]/div[1]/ul[1]/li[5]/ul[1]/li[1]/button[1]/div[1]
• Bounding box: x = 0, y = 0, width = 0, height = 0

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 rule engines diagnose the parent invalid issue for HTML element 111 of the Metropolitan Transportation Authority page.

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

   Tool: Html Checker API (World Wide Web Consortium)