Kilotest: Diagnoses of ID not unique violation by HTML element 172 on America Walks page

Here is how tools diagnose the ID not unique issue for HTML element 172 of the America Walks page.

Basics

• 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
• About the America Walks page
  • URL: https://americawalks.org/
  • Tested on 2026-04-02 at 14:21
• About HTML element 172
  • Tag name: DIV
  • Text: MOBILITY FOR ALL … JOIN THE MOVEMENT
  • Start tag: <div id="home-hero" class="home-hero">
  • XPath: /html/body/div[1]/div[1]
  • Bounding box: x = 240, y = 263, width = 1440, height = 756

Diagnoses

1. Duplicate id attribute value "home-hero" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID home-hero.

   Tool: Html Checker API (World Wide Web Consortium)

3. Duplicate id attribute value "home-hero" found on the web page.

   Tool: WallyAX (Wally)