Kilotest: Diagnoses of attribute invalid violation by HTML element 0 on Internet Archive page

Basics

About the page

• URL: https://archive.org/
• Tested 3 days ago on 2026-10-07 at 21:51 by job 261007T2132-0in
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 7
    • Reported any rule violations: 6
  • Violations: 412
  • Violators: 33
  • Issues: 18
• 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 (Accessibility Checker)
• Violations: 2
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html lang="en">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 892
• Reported by Accessibility Checker

Diagnoses

Here is how rule engines diagnose the attribute invalid issue for HTML element 0 of the Internet Archive page.

1. The ARIA attributes "aria-expanded" are not valid for the element <nav> with implicit ARIA role "navigation"

   Rule engine: Accessibility Checker (IBM)

   Rule: aria_attribute_valid

2. The ARIA attributes "aria-expanded" are not valid for the element <nav> with implicit ARIA role "navigation"

   Rule engine: Accessibility Checker (IBM)

   Rule: aria_attribute_valid