Kilotest: Diagnoses of attribute value invalid violation by HTML element 88 on Freedom of the Press Foundation page

Here is how tools diagnose the attribute value invalid issue for HTML element 88 of the Freedom of the Press Foundation page.

Basics

• About the attribute value invalid issue
  • Why it matters: Item behaves improperly
  • Priority: highest
  • Related WCAG standard: 1.3.1
• About the Freedom of the Press Foundation page
  • URL: https://freedom.press/
  • Tested on 2026-04-02 at 14:24
• About HTML element 88
  • Tag name: UL
  • Text: Data Visualizations … Explore the Database
  • Start tag: <ul aria-labelledby="" role="list">
  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/nav[1]/ul[1]/li[1]/div[1]/ul[1]/li[3]/ul[1]
  • Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

1. Bad value for attribute aria-labelledby on element ul: An IDREFS value must contain at least one non-whitespace character.

   Tool: Html Checker API (World Wide Web Consortium)