Kilotest: Diagnoses of duplicate attribute violation by HTML element 723 on Wikimedia Foundation page

Basics

About the page

• URL: https://wikimediafoundation.org/
• Tested 3 days ago on 2026-10-07 at 23:16 by job 261007T2305-8ye
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 1201
  • Violators: 392
  • Issues: 68
• Download the full technical report (JSON)

About the issue

• Why it matters: Browser processes the page improperly
• Priority: low
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Testaro)
• Violations: 7
• Violators: 2

About the violator

• Tag name: INPUT
• Text: [not applicable]
• Start tag: <input type="submit" name="mc_signup_submit" class="mc_signup_submit_button" id="mc_signup_submit_c69c060af4_12" value="Subscribe" style="">
• XPath: /html/body/div[2]/main[1]/div[8]/div[1]/div[2]/div[1]/div[1]/div[1]/form[1]/div[1]/div[6]/input[1]
• Bounding box: x = 1427, y = 4567, width = 134, height = 49
• Reported by Testaro

Diagnoses

Here is how rule engines diagnose the duplicate attribute issue for HTML element 723 of the Wikimedia Foundation page.

1. INPUT element has 2 attributes named class

   Rule engine: Testaro (CVS Health)

   Rule: dupAtt