Kilotest: Diagnoses of meta invalid
violation by HTML element 40 on Prometheus page
Here is how tools diagnose the meta invalid
issue for HTML element 40 of the Prometheus page.
Basics
- About the
meta invalid
issue- Why it matters: Document fails to include needed data
- Priority: high
- Related WCAG standard: 1.3.1
- About the Prometheus page
- URL:
https://www.joinprometheus.org/ - Tested on 2026-04-07 at 19:19
- URL:
- About HTML element 40
- Tag name:
META - Text: [not applicable]
- Start tag:
<meta http-equiv="etag" content="bug"> - XPath:
/html/head[1]/meta[12] - Bounding box: x = 0, y = 0, width = 0, height = 0
- Tag name:
Diagnoses
- Bad value etag for attribute http-equiv on element meta.
Tool: Html Checker API (World Wide Web Consortium)