Kilotest: Diagnoses of ID not unique violation by HTML element 466 on Freedom of the Press Foundation page

Basics

About the Freedom of the Press Foundation page

• URL: https://freedom.press/
• Tested 38 days ago by job mwy on 2026-04-24 at 21:54

About HTML element 466

• Tag name: BUTTON
• Text: SUBSCRIBE
• Start tag: <button type="submit" name="subscribe" id="mc-embedded-subscribe" class="btn btn-tertiary">
• XPath: /html/body/div[1]/section[1]/div[1]/div[1]/form[1]/section[1]/button[1]
• Bounding box: x = 275, y = 6634, width = 172, height = 60

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 466 of the Freedom of the Press Foundation page.

1. Duplicate id attribute value "mc-embedded-subscribe" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID mc-embedded-subscribe.

   Tool: Html Checker API (World Wide Web Consortium)

3. [failed]

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP30