Web features explorer - WebVTT regions

Web features explorer

WebVTT regions set the areas of the video where captions or subtitles should be rendered, such as placing roll-up captions used for live captions.

Browser support

Chrome Not supported Bugs:
Chrome Android Not supported
Edge Not supported
Firefox 59 Released on 2018-03-13
Firefox for Android 59 Released on 2018-03-13
Safari 14.1 Released on 2021-04-26
Safari on iOS 14.5 Released on 2021-04-26

Baseline availability blocked since April 2021 by Chromium (63 months)

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MDN documentation

VTTRegion

Specifications

WebVTT: The Web Video Text Tracks Format (#regions), from Timed Text Working Group (W3C).

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist