Kilotest: Diagnoses of ID not unique violation by HTML element 1602 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 1602

• Tag name: DIV
• Text: Please enter a valid email address … }
• Start tag: <div style="margin-top:10px; color:#fff; font-size: 16px;" id="mce-message-footer" data-mailchimp-message="true">
• XPath: /html/body/div[4]/div[8]/section[1]/div[2]/div[2]/div[1]/div[2]
• Bounding box: x = 0, y = 0, width = 0, height = 0

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 1602 of the Open Secrets page.

1. Duplicate id attribute value "mce-message-footer" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID mce-message-footer.

   Tool: Html Checker API (World Wide Web Consortium)