Chapter 10Mutimedia: The track Element

In the last chapter, we discussed how to make your media available to more users with cross-browser techniques. In this chapter, we'll look at how to make it accessible and "index-able", too, with the track element and WebVTT.

HTML5 multimedia comes with three challenges:

  1. Lack of accessibility.

  2. Lack of "index-ability".

  3. Language barriers between the media and the viewer or listener.

Accessibility simply means supporting users with impairments or disabilities as fully as possible. Audible media isn't usable to hearing-impaired users. Visually-impaired users don't see visual media in the same way that fully-sighted users do. HTML5 audio and video present clear challenges for these users.

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