▶ Suggestion I first noticed how Bluesky was handling thumbnails months ago when starting the Repeal OBBBA effort. I monkeyed with images used in admin/site_settings/category/branding but no joy. Other sites: X, Facebook, Reddit, Discord, mastodon all generated the thumbnail just fine so eventually I…

[圖片] philh: I am hoping folks can help me sort what image needs to be added to Discourse to get very cool thumbnails on Bluesky. The OpenGraph image setting should do it, here’s how ours is configured for Meta, to reflect what you’re seeing in posts [image]

Thanks @awesomerobot What size and type is your OpenGraph image? I am trying different sizes but no change so far. Results so far: @phillipnhenry.bsky.social on Bluesky

It’s a 2400 × 1260 JPEG, which is double the 1200x630 recommend (helps cover devices with 2x pixel density). I believe most social networks will cache open graph images, so changes may not appear immediately.

I changed to something larger that I had handy (a favorite). tried on two sites and the change with Bluesky post thumbnails was immediate so no apparent caching. OpenGraph image → 1500x500 jpeg [soaringtwitter] Thanks again @awesomerobot marking as solved.

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支持

awesomerobot (Kris) 2026年二月24日 19:20 2

OpenGraph image（OpenGraph 图片）设置应该可以做到，以下是我们在 Meta 上的配置方式，以反映您在帖子中看到的内容

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Best Practices for Open Graph setup with a new community? Self-hosting	4	3112	2020年五月13日
Is there a way to change the OpenGraph image of my forum? Support	2	498	2021年五月19日
Ignore favicon, use default open graph image to create og:image tags Feature	19	5463	2018年十月3日
Issue with topic/posts images Support	8	968	2023年十二月6日
Overwrite meta og:image image source to use externally public loaded images on topics? Feature	6	3101	2020年十月26日

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