Kilotest: Diagnoses of ID not unique violation by HTML element 736 on Sightsavers page

Basics

About the page

• URL: https://www.sightsavers.org/
• Tested 3 days ago on 2026-10-07 at 22:23 by job 261007T2157-uwh
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 661
  • Violators: 289
  • Issues: 61
• Download the full technical report (JSON)

About the issue

• Why it matters: User may be pointed to the wrong item
• Priority: highest
• Related WCAG standard: 4.1
• Reported by 4 rule engines (ASLint + Html Checker + HTML CodeSniffer + QualWeb)
• Violations: 85
• Violators: 56

About the violator

• Tag name: A
• Text: X
• Start tag: <a id="social-icon" class="icon-twitter" href="https://twitter.com/Sightsavers" target="_blank">
• XPath: /html/body/footer[1]/div[1]/div[1]/div[2]/ul[1]/li[7]/a[1]
• Bounding box: x = 1289, y = 5681, width = 40, height = 40
• Reported by Html Checker + HTML CodeSniffer + QualWeb

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 736 of the Sightsavers page.

1. Duplicate id attribute value "social-icon" found on the web page.

   Rule engine: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID social-icon.

   Rule engine: Html Checker (World Wide Web Consortium)

3. [failed]

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-BP30