Daniel Shaw · WordPress DeveloperWellington, New Zealanddaniel@chthonic.nz
Easier subtitles & captions for video in the WordPress block editor
WordPress 5.6 is set for release on December 8 2020, bringing native support for text tracks added via the Video block. Previously, supplementing video with a transcript has been a multi-step opaque process from within WordPress.
The benefit of this update will possibly be broader than simply making this task easier. Hopefully, more sites will start to supplement video content with transcripts simply because the mechanism to do so will be much more visible. Adding a transcript is beneficial for general accessibility—for example, anyone unable to hear audio content for personal or environmental factors—and for SEO: Google will happily suck up that text aligned with your video media.
What is a video “text track”?
Broadly, a text track can be a transcript of language, on-/off-screen sounds, or time-based and contextual metadata, depending on the intended audience. A text track is assigned to a <track> element, as a child of a <video> element: