Kilotest: Diagnoses of ID not unique violation by HTML element 1938 on Open Secrets page

Basics

About the Open Secrets page

• URL: https://www.opensecrets.org/
• Tested 13 days ago by job 79l on 2026-05-19 at 14:37

About HTML element 1938

• Tag name: BUTTON
• Text: Sign Up
• Start tag: <button class="MailChimp-submit Button dc-btn" name="subscribe" id="mc-embedded-subscribe-footer" data-validate="submit" data-mailchimp-submit="true" style=";">
• XPath: /html/body/div[5]/div[1]/div[1]/div[3]/div[1]/form[1]/button[1]
• Bounding box: x = 1506, y = 8417, width = 104, height = 41

Take me there

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 1938 of the Open Secrets page.

1. Duplicate id attribute value "mc-embedded-subscribe-footer" 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-footer.

   Tool: Html Checker API (World Wide Web Consortium)

3. [failed]

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP30