# YouTube URIs fail to render thumbnails when oneboxed

**URL:** https://meta.discourse.org/t/youtube-uris-fail-to-render-thumbnails-when-oneboxed/387673
**Category:** Bug
**Tags:** composer, onebox
**Created:** [November 5, 2025, 2:07pm UTC](https://meta.discourse.org/t/youtube-uris-fail-to-render-thumbnails-when-oneboxed/387673 "2025-11-05T14:07:47Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![martin](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/martin/32/491371_2.png) [@martin](https://meta.discourse.org/u/martin)
#### Post date: [November 6, 2025, 6:37am UTC](https://meta.discourse.org/t/youtube-uris-fail-to-render-thumbnails-when-oneboxed/387673/4 "2025-11-06T06:37:40Z")

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This is an interesting one, I can reproduce the issues with the links in the OP here on Meta, but locally and on our internal Discourse site they are fetched and rendered fine:

 ![image](https://global.discourse-cdn.com/meta/original/4X/3/a/a/3aaabe1470c84e0bf7effc50981aa580941f8fad.jpeg)

@roke_julian_lockhart are these links not rendering properly on your own site, or just not here on Meta?

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_[View the full topic](https://meta.discourse.org/t/youtube-uris-fail-to-render-thumbnails-when-oneboxed/387673)._
