Kilotest: Diagnoses of not exactly 1 h1 heading violation by HTML element 230 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 230

• Tag name: H1
• Text: Prometheus provides technology and data services to nonprofit organizations by connecting them with student and professional volunteers.
• Start tag: <h1 class="font_0 wixui-rich-text__text" style="font-size:30px;">
• XPath: [not obtained]
• Bounding box: x = 470, y = 164, width = 422, height = 210

Take me there

About the not exactly 1 h1 heading issue

• Why it matters: User cannot understand the topic of the document
• Priority: low
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the not exactly 1 h1 heading issue for HTML element 230 of the Prometheus page.

1. Consider using the h1 element as a top-level heading only — or else use the headingoffset attribute (otherwise, all h1 elements are treated as top-level headings by many screen readers and other tools).

   Tool: Html Checker API (World Wide Web Consortium)