Kilotest: Diagnoses of attribute value invalid violation by HTML element 25 on Prometheus page

Basics

About the Prometheus page

• URL: https://www.joinprometheus.org/
• Tested 29 days ago by job hzk on 2026-05-03 at 17:00

About HTML element 25

• Tag name: SCRIPT
• Text: [not applicable]
• Start tag: <script type="wix/htmlEmbeds" id="pageHtmlEmbeds.head start">
• XPath: /html/head[1]/script[13]
• Bounding box: x = 0, y = 0, width = 0, height = 0

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 25 of the Prometheus page.

1. Bad value pageHtmlEmbeds.head start for attribute id on element script: An ID must not contain whitespace.

   Tool: Html Checker API (World Wide Web Consortium)