Kilotest: Diagnoses of video audio description missing violation by HTML element 227 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 6gw on 2026-04-24 at 21:54

About HTML element 227

• Tag name: VIDEO
• Text: [not applicable]
• Start tag: <video poster="https://customer-r2icgex6f9loqfx4.cloudflarestream.com/69bf0d3c4b9f8c580be428e4935c0d46/thumbnails/thumbnail.jpg?height=720" class="css-eo97vm-CloudflareVideo-video" preload="auto" playsinline="" muted="" loop="" autoplay="" src="https://customer-r2icgex6f9loqfx4.cloudflarestream.com/69bf0d3c4b9f8c580be428e4935c0d46/manifest/video.m3u8">
• XPath: /html/body/div[1]/div[1]/div[1]/main[1]/section[1]/div[1]/div[1]/video[1]
• Bounding box: x = 24, y = 76, width = 1872, height = 854

About the video audio description missing issue

• Why it matters: User cannot get help hearing video content as speech
• Priority: highest
• Related WCAG standard: 1.2.1

Diagnoses

Here is how tools diagnose the video audio description missing issue for HTML element 227 of the Centre for Effective Altruism page.

1. [warning] Can't collect data from the test target.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R55