# Problems, external caption files in an HTML5

**URL:** <https://community.wowza.com/t/problems-external-caption-files-in-an-html5/50551>\
**Category:** Wowza Streaming Engine\
**Created:** [January 12, 2018, 1:43am UTC](https://community.wowza.com/t/problems-external-caption-files-in-an-html5/50551 "2018-01-12T01:43:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sunny\_park](https://avatars.discourse-cdn.com/v4/letter/s/a6a055/32.png) [@sunny\_park](https://community.wowza.com/u/sunny_park)\
**Post date:** [January 12, 2018, 1:43am UTC](https://community.wowza.com/t/problems-external-caption-files-in-an-html5/50551/1 "2018-01-12T01:43:01Z")

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i follow this url

[https://www.wowza.com/docs/how-to-to-serve-caption-files-for-video-on-demand-streaming](https://www.wowza.com/docs/how-to-to-serve-caption-files-for-video-on-demand-streaming)

and i used video.js

but don’t display external caption files

vtt caption file in content -\> ok

track tag -\>

but no no no no no

please help

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/system/32/447_2.png) [@system](https://community.wowza.com/u/system)\
**Post date:** [January 12, 2018, 11:20pm UTC](https://community.wowza.com/t/problems-external-caption-files-in-an-html5/50551/2 "2018-01-12T23:20:56Z")

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Please use a SMIL file for delivering your captions. We have an article on how to do this which I have linked to below.

[https://www.wowza.com/docs/how-to-stream-webvtt-subtitles-to-ios-for-closed-captioning](https://www.wowza.com/docs/how-to-stream-webvtt-subtitles-to-ios-for-closed-captioning)