Kilotest: Diagnoses of attribute missing violation by HTML element 260 on Sightline Institute page

Basics

About the Sightline Institute page

• URL: https://www.sightline.org/
• Tested 29 days ago by job wxv on 2026-05-03 at 17:04

About HTML element 260

• Tag name: BUTTON
• Text: Housing + Cities
• Start tag: <button class="gb-button gb-button-36f00d20 gb-tabs__button" id="gb-tab-button-36f00d20" aria-controls="gb-tab-item-d20f8bd1" aria-selected="false" tabindex="-1">
• XPath: [not obtained]
• Bounding box: x = 1124, y = 1196, width = 172, height = 45

About the attribute missing issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 4.1.2

Diagnoses

Here is how tools diagnose the attribute missing issue for HTML element 260 of the Sightline Institute page.

1. Element button is missing one or more of the following attributes: aria-checked, role, type.

   Tool: Html Checker API (World Wide Web Consortium)