Kilotest: Diagnoses of video alternative missing violation by HTML element 237 on World Wide Web Consortium page

Basics

About the World Wide Web Consortium page

• URL: https://www.w3.org/
• Tested 28 days ago by job j59 on 2026-05-04 at 17:00

About HTML element 237

• Tag name: DIV
• Text: Pause
• Start tag: <div class="l-frame l-frame--16-9">
• XPath: /html/body/div[1]/div[1]/main[1]/div[1]/div[1]/div[1]/div[1]/div[2]/div[1]/div[1]
• Bounding box: x = 1020, y = 293, width = 500, height = 281

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 237 of the World Wide Web Consortium 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