Kilotest: Diagnoses of aria attribute invalid violation by HTML element 905 on Run! page

Here is how tools diagnose the aria attribute invalid issue for HTML element 905 of the Run! page.

Basics

• About the aria attribute invalid issue
  • Why it matters: Item behavior violates user expectations
  • Priority: highest
  • Related WCAG standard: 4.1.2
• About the Run! page
  • URL: https://www.designedtorun.com/
  • Tested on 2026-04-05 at 01:26
• About HTML element 905
  • Tag name: INPUT
  • Text: [not applicable]
  • Start tag: <input data-index="0" aria-label="Population of District" aria-valuenow="0" aria-orientation="horizontal" aria-valuemax="4" aria-valuemin="0" type="range" min="0" max="4" step="1" style="border:0;clip:rect(0 0 0 0);height:100%;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:100%;direction:ltr" value="0">
  • XPath: [not obtained]
  • Bounding box: x = 650, y = 8115, width = 20, height = 20

Diagnoses

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

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R25