Kilotest: Diagnoses of attribute value invalid violation by HTML element 829 on Sightline Institute page

Basics

About the Sightline Institute page

• URL: https://www.sightline.org/
• Tested 29 days ago by job wxv on 2026-05-03 at 17:04

About HTML element 829

• Tag name: svg
• Text: [not applicable]
• Start tag: <svg xmlns="https://www.w3.org/2000/svg" fill="none" viewBox="0 0 29 30" height="30" width="29">
• XPath: /html/body/div[3]/footer[1]/div[1]/div[1]/div[1]/div[1]/div[1]/div[2]/div[1]/p[2]/span[1]/svg[1]
• Bounding box: x = 564, y = 3348, width = 27, height = 27

About the attribute value invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the attribute value invalid issue for HTML element 829 of the Sightline Institute page.

1. Bad value https://www.w3.org/2000/svg for the attribute xmlns (only http://www.w3.org/2000/svg permitted here).

   Tool: Html Checker API (World Wide Web Consortium)