Kilotest: Diagnoses of ID not unique violation by HTML element 454 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 454

• Tag name: FORM
• Text: Full Name … See all newsletters
• Start tag: <form action="/subscription/new/" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" target="_blank" class="mailchimp-subscribe-form" data-on-success-hide="" data-csrf-endpoint="/csrf/">
• XPath: /html/body/div[1]/section[1]/div[1]/div[1]/form[1]
• Bounding box: x = 275, y = 6462, width = 752, height = 232

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 454 of the Freedom of the Press Foundation page.

1. The element does not have a unique ID

   Tool: Alfa (Siteimprove)

   Rule: r3

2. Attribute <code>id="mce-error-response"</code> should be unique. It has been defined 2 times.

   Tool: ASLint (eSSENTIAL Accessibility)

   Rule: duplicated_id_attribute

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

   Tool: HTML CodeSniffer (Squiz Labs)

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

4. Duplicate ID mc-embedded-subscribe-form.

   Tool: Html Checker API (World Wide Web Consortium)

5. [failed]

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP30