Kilotest: Diagnoses of attribute invalid violation by HTML element 183 on Sightsavers page

Basics

About the page

• URL: https://www.sightsavers.org/
• Tested 3 days ago on 2026-10-07 at 22:23 by job 261007T2157-uwh
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 661
  • Violators: 289
  • Issues: 61
• Download the full technical report (JSON)

About the issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1
• Reported by 1 rule engine (Html Checker)
• Violations: 15
• Violators: 15

About the violator

• Tag name: BUTTON
• Text: How to help
• Start tag: <button class="c-nav-mobile__header-btn" id="accordion-header-2" aria-controls="accordion-panel-2" aria-expanded="false" href="#">
• XPath: /html/body/header[1]/div[1]/div[1]/div[1]/nav[1]/dialog[1]/ul[1]/li[3]/button[1]
• Bounding box: [not obtained]
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the attribute invalid issue for HTML element 183 of the Sightsavers page.

1. Attribute href not allowed on element button at this point.

   Rule engine: Html Checker (World Wide Web Consortium)