Kilotest: Diagnoses of ID not unique violation by HTML element 457 on Institute for Progress page

Here is how tools diagnose the ID not unique issue for HTML element 457 of the Institute for Progress 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 Institute for Progress page
  • URL: https://ifp.org/
  • Tested on 2026-04-03 at 04:21
• About HTML element 457
  • Tag name: g
  • Text: [not applicable]
  • Start tag: <g id="Guide">
  • XPath: /html/body/main[1]/div[2]/div[1]/div[2]/div[2]/div[1]/div[1]/div[2]/a[2]/div[1]/svg[1]/g[2]
  • Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

1. Duplicate id attribute value "Guide" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID Guide.

   Tool: Html Checker API (World Wide Web Consortium)

3. Duplicate id attribute value "Guide" found on the web page.

   Tool: WallyAX (Wally)