Kilotest: Diagnoses of attribute value invalid violation by HTML element 1288 on Prometheus page

Here is how tools diagnose the attribute value invalid issue for HTML element 1288 of the Prometheus page.

Basics

• About the attribute value invalid issue
  • Why it matters: Item behaves improperly
  • Priority: highest
  • Related WCAG standard: 1.3.1
• About the Prometheus page
  • URL: https://www.joinprometheus.org/
  • Tested on 2026-04-07 at 19:19
• About HTML element 1288
  • Tag name: DIV
  • Text: Subscribe to our newsletter … Subscribe
  • Start tag: <div class="ckHV4G" dir="">
  • XPath: [not obtained]
  • Bounding box: x = 497, y = 3155, width = 452, height = 258

Diagnoses

1. Bad value for attribute dir on element div.

   Tool: Html Checker API (World Wide Web Consortium)