[foms] WebVTT implementation in browsers

Silvia Pfeiffer silviapfeiffer1 at gmail.com
Wed Apr 11 12:58:24 UTC 2018

Jeroen, John,

That's awesome, thanks! Wow, 31% WebVTT usage - that's a pretty good argument!

I'll be compiling the feedback some time next week to send to TTWG,
but will wait for your input.


On Wed, Apr 11, 2018 at 12:24 AM, Jeroen Wijering <jeroen at jwplayer.com> wrote:
> Hey Silvia,
> John is compiling thoughts from the team at JW Player. Overall, we're big
> fans of VTT and are using it for applications like preview thumbnails and
> advertising breaks.
> Just ran across this report from Encoding.com that stated a jump in VTT
> captions market share (see page 11).
> - Jeroen
> On Sat, Apr 7, 2018 at 5:03 AM, Silvia Pfeiffer <silviapfeiffer1 at gmail.com>
> wrote:
>> Hi everyone,
>> I am collecting opinions about the need for better support of WebVTT
>> in browsers. Please speak up for or against it.
>> This is on the background of getting WebVTT to become a W3C
>> recommendation, which is what we are working on in the Timed Text
>> Working Group (TTWG) right now.
>> In my experience, having a spec at recommendation status is a key
>> motivator to get browsers to implement features interoperably. Basic
>> support is in all browsers, but interoperability is so poor that it's
>> basically unusable for normal Web publishing.
>> I'd like to hear from browsers if a stable published specification of
>> WebVTT would encourage them to implement support.
>> I'd like to hear from video player developers if they would drop their
>> polyfills if browsers supported WebVTT in its completeness. (Browsers
>> want to know this also.)
>> And I'd like to hear from video publishers if native WebVTT support
>> would encourage them to publish more captions.
>> If you have any opinion, please reply for yourself and/or your
>> company. I'm collecting feedback for the TTWG mailing list.
>> Cheers,
>> Silvia.
>> P.S. The WebVTT version in preparation for the standards track can be
>> inspected at
>> https://htmlpreview.github.io/?https://github.com/w3c/webvtt/blob/gh-pages/archives/2018-04-15/Overview.html
>> (some links won't work because it's rendered through htmlpreview).
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