Kilotest: Diagnoses of attribute value invalid
violation by HTML element 173 on Sightline Institute page
Basics
About the Sightline Institute page
- URL: https://www.sightline.org/
- Tested 29 days ago by job
wxvon 2026-05-03 at 17:04
About HTML element 173
- Tag name:
svg - Text: [not applicable]
- Start tag:
<svg viewBox="0 0 512 512" aria-hidden="true" xmlns="https://www.w3.org/2000/svg" width="1em" height="1em"> - XPath:
/html/body/header[1]/div[1]/div[2]/a[1]/span[1]/svg[1] - Bounding box: x = 1259, y = 36, width = 18, height = 18
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 173 of the Sightline Institute page.
- 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)