Kilotest: Diagnoses of attribute value invalid
violation by HTML element 456 on Centre for Effective Altruism page
Basics
About the Centre for Effective Altruism page
- URL: https://www.effectivealtruism.org/
- Tested 38 days ago by job
6gwon 2026-04-24 at 21:54
About HTML element 456
- Tag name:
VIDEO - Text: [not applicable]
- Start tag:
<video width="100%" height="100%" loop="" preload="metadata" src="https://videos.ctfassets.net/ohf186sfn6di/6ZgN8JLY5WtqiKd0XAeYGU/306f0c636a34089ff8e901a963c7291d/lewis_cut.mp4" class="css-1t5je8n-StoryCardImage-previewVideo"> - XPath:
[not obtained] - Bounding box: x = 2100, y = 2111, width = 320, height = 488
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 456 of the Centre for Effective Altruism page.
- Bad value 100% for attribute width on element video: Expected a digit but saw % instead.
Tool: Html Checker API (World Wide Web Consortium)
- Bad value 100% for attribute height on element video: Expected a digit but saw % instead.
Tool: Html Checker API (World Wide Web Consortium)