Kilotest: Diagnoses of ID not unique violation by HTML element 504 on EarthShare page

Basics

About the EarthShare page

• URL: https://www.earthshare.org/
• Tested 29 days ago by job al0 on 2026-05-03 at 17:03

About HTML element 504

• Tag name: g
• Text: [not applicable]
• Start tag: <g id="Layer_1-2">
• XPath: [not obtained]
• Bounding box: x = 787, y = 1353, width = 45, height = 50

About the ID not unique issue

• Why it matters: User may be pointed to the wrong item
• Priority: highest
• Related WCAG standard: 4.1.1

Diagnoses

Here is how tools diagnose the ID not unique issue for HTML element 504 of the EarthShare page.

1. Duplicate id attribute value "Layer_1-2" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle4.Guideline4_1.4_1_1.F77

2. [failed]

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP30