Since a couple of days, our forum doesn’t show the preview image on a Youtube video anymore. It only shows a link that does work by the way, oneboxing for website links does work. We also migrated the forum to another server and I’m not entirely sure if this behaviour was caused by that or if it is a bug. Does anyone have a workaround or solution for this?

This came up recently. Perhaps you are being rate limited or blocked by Youtube. See the workaround here: [image] Youtube videos onebox embedding stopped working Support An interesting finding after a weekend of troubleshooting. This can maybe be something you want to have a look into @Falco or @codinghorror? At the moment, reading the source code of youtube_onebox.rb , I see it supports 3 URLs from which the video id is extracted. http://youtu.be/ https://www.youtube.com/embed/ https://www.youtube.com/watch?v= Every attempt to onebox videos whose links are in 1. and 3. formats fail with onebox returning 404 (which I think is rela… Or, if you are self-hosted, consider using a proxy service. I support one with my plugin here: "Onebox Assistant", crawl for those previews reliably! which by happy coincidence I updated today.

Thanks for the reply, that embed workaround does work and since the old previews still work and the link doesn’t show any errors, it redirects you to the video, I don’t think we’re blocked by Youtube. We are self hosting, but now you’ve mentioned it, we are using reverse proxy. So could this be the cause of this issue? Thanks by the way, for your plugin link, I will certainly try it.

How show thumbnail Youtube Video when paste link share? Now, my forum not display Thumbnail youtube? Here is my post [Preformatted text](https://nhasg.com.vn/t/ban-nha-mat-tien-92-phan-xich-long-phuong-3-quan-binh-thanh-gia-38ty5-dt-4-80m2/65855/3) I use cloudflare service and youtube display japanese, white my site is vietnamese! [The image shows a screenshot of a Vietnamese forum post with a YouTube link and Japanese text. (Captioned by AI)]

Youtube links don't show preview anymore

Product Support

Bryanpwo (Bryan Poerwo) August 5, 2020, 8:31am 4

I just updated the forum, I do it on a daily bases, and the issue is fixed.

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Youtube links don't show preview anymore

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