Kilotest: Violations of element unknown
issue for Mozilla Foundation page
Basics
About the Mozilla Foundation page
- URL: https://www.mozilla.org/en-US/
- Tested 30 days ago by job
9wjon 2026-05-03 at 04:32
About the element unknown
issue
- Why it matters: Document includes an unknown element that the browser cannot process
- Priority: highest
- Related WCAG standard: 4.1
- Reported by 1 tool (Html Checker API)
- 1 violator was reported
Violators
Here are the HTML elements reported to violate rules belonging to the element unknown
issue.
Element 256
- XPath:
/html/body /nav[1] /div[1] /div[1] /blink[1] - Tag name:
BLINK - Text:
Products … About us
- Reported by Html Checker API
- XPath: