If this embedded object contains synchronised media, check that captions are provided for live audio content.

Minor1.2.4HTMLCS · htmlcs-unknown-WCAG2AA.Principle1.Guideline1_2.1_2_4.G9,G87,G93Docs

Pages 1on W3C BAD Demo

Elements 1

Open 158d 23hsince 24.04.26

First seen 24.04.26

Last seen 08.09.26

If this embedded object contains synchronised media, check that captions are provided for live audio content.

Scanner evidence

Engine: htmlcsRule: htmlcs-WCAG2AA.Principle1.Guideline1_2.1_2_4.G9,G87,G93WCAG: 1.2.4

If this embedded object contains synchronised media, check that captions are provided for live audio content.

How to fix

If this embedded object contains synchronised media, check that captions are provided for live audio content.

Affected pages (1)

https://www.w3.org/

Affected elements (1)

https://www.w3.org/1

<video loop="" muted="" playsinline="" preload="metadata" data-video="hero">
                                    <source src="https://www.w3.org/cms-uploads/animation.mp4" type="video/mp4">
                                    Sorry, your browser does not support embedded videos. Here is a &lt;a href="https://www.w3.org/cms-uploads/animation.mp4"&gt;link to the video&lt;/a&gt; instead.
                                </video>

video

on https://www.w3.org/

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