Kilotest: Diagnoses of aria attribute invalid violation by HTML element 1251 on Cátedra UNESCO Legislación, Sociedad y Patrimonio page

Basics

About the Cátedra UNESCO Legislación, Sociedad y Patrimonio page

• URL: https://catedrapatrimonio.wixsite.com/ugto
• Tested 13 days ago by job auj on 2026-07-07 at 18:07

About HTML element 1251

• Tag name: INPUT
• Text: [not applicable]
• Start tag: <input type="range" class="ProgressBar3199726361__range MusicPlayer2802357603__progressRangeBar" min="0" max="59" step="0.01" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0" aria-valuetext="0%" style="--value: 0%;" value="0">
• XPath: [not obtained]
• Bounding box: x = 1144, y = 7731, width = 69, height = 20

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 1251 of the Cátedra UNESCO Legislación, Sociedad y Patrimonio page.

1. [failed] The `aria-valuenow` property is neither inherited nor supported by the `role` slider.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R25