Kilotest: Diagnoses of aria attribute invalid violation by HTML element 847 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 847

• Tag name: IMG
• Text: Nearby Stations & Stops
• Start tag: <img src="/themes/custom/bootstrap_mta/images/nearby-map.png" alt="Nearby Stations and Stops" aria-description="An Image of a New York City Map. Click This to be taken to the Nearby Stations and Stops page." data-original="/themes/custom/bootstrap_mta/images/nearby-map.png" class="lazy nearby-map-link">
• XPath: /html/body/div[1]/div[1]/div[1]/section[1]/div[2]/section[2]/a[1]/img[1]
• Bounding box: x = 810, y = 1453, width = 620, height = 141

About the aria attribute invalid issue

• Why it matters: Item behavior violates user expectations
• Priority: highest
• Related WCAG standard: 4.1.2

Diagnoses

Here is how rule engines diagnose the aria attribute invalid issue for HTML element 847 of the Metropolitan Transportation Authority page.

1. The attribute is not defined

   Tool: Alfa (Siteimprove)

   Rule: r20

2. The attribute(s) 'aria-description' referenced by the element <img> is not a valid ARIA state or property

   Tool: Accessibility Checker (IBM)

   Rule: aria_attribute_allowed

3. [failed] One or more aria-* attributes are not defined in ARIA 1.1.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R27