Kilotest: Diagnoses of video alternative missing violation by HTML element 440 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 440

• Tag name: DIV
• Text: WATCH
• Start tag: <div class="css-StoryCard-image-ref css-jv3srv-StoryCardImage-root-StoryCard-image" aria-hidden="true">
• XPath: [not obtained]
• Bounding box: x = 1756, y = 2111, width = 320, height = 488

About the video alternative missing issue

• Why it matters: User cannot get help consuming a video recording as text or speech
• Priority: highest
• Related WCAG standard: 1.2.1

Diagnoses

Here is how tools diagnose the video alternative missing issue for HTML element 440 of the Centre for Effective Altruism page.

1. You have not defined neither <a href="https://developer.mozilla.org/en/docs/Web/HTML/Element/track"><code><track></code></a> elements to provide descriptions nor <a href="https://developer.mozilla.org/en/docs/Web/HTML/Element/source"><code><source></code></a> with an audio as an alternative.

   Tool: ASLint (eSSENTIAL Accessibility)

   Rule: video_audio_descriptions