Kilotest: Diagnoses of meta invalid violation by HTML element 3 on Oregon Museum of Science and Industry page

Basics

About the Oregon Museum of Science and Industry page

• URL: https://omsi.edu/
• Tested 20 days ago by job 42w on 2026-05-12 at 23:14

About HTML element 3

• Tag name: META
• Text: [not applicable]
• Start tag: <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
• XPath: /html/head[1]/meta[2]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the meta invalid issue

• Why it matters: Document fails to include needed data
• Priority: high
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the meta invalid issue for HTML element 3 of the Oregon Museum of Science and Industry page.

1. A document must not include both a meta element with an http-equiv attribute whose value is content-type, and a meta element with a charset attribute.

   Tool: Html Checker API (World Wide Web Consortium)