Hey guys, first time posting here. I’m a frequent visitor on a Discourse-based forum (from page source it looks like it is 3.2.0.beta1-dev, I have no idea what the current latest version is), and I was disappointed to see that Artstation links have no preview. Artstation pages seemingly have all th…

This doesn’t look like a bug. If you read the error, the website is denying your access (of your server). You could try my onebox assistant plugin to see if that helps.

The screenshot is from THIS forum. It’s probably the same for every Discourse forum out there. Interestingly, on this forum there IS preview for Twitter posts: [صورة] The Cultural Tutor @culturaltutor Want to know the difference between the Ancient Greeks and the Ancient Romans? Just lo…

[صورة] Juris: The screenshot is from THIS forum. So it’s denying Meta too.

Yeah, but why tho? Is the onebox metadata loaded server-side, not client-side?

Yes, it’s loaded server side. btw, just tried it with onebox assistant and it wasn’t much help. Checking with the proxy service, they are also being denied: [image] So not even the experts on proxy calls are getting past them!

Great. What else can be done about this? Seems like a rather weird thing to block - why would you have meta tags on your website if you can’t get to them in order to display a preview? Could it be the request headers that are causing this? Although seems doubtful because I tried making a request fr…

Contact them directly to ask them. Contact a proxy service and find out if they can get around it, then use that proxy service. I’ve already shot an email to embed.rocks for point 2.

Contact who? Artstation, Instagram, and Twitter? :smiley: Ain’t no way in hell I’ll get a meaningful reply. This is more than likely not caused by them.

Getting around these restrictions needs serious experience and expertise, and I don’t have the time to learn that niche of Information Technology, so you need to rely on those who spend all day doing it: ie a proxy service. I’ll let you know if I get a response from Embed.rocks, then you could use …

Can you check what headers you’re sending when generating a onebox?

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merefield (Robert) 24 أغسطس 2023، 10:23ص 17

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الموضوع		الردود	مرات العرض
Why Do Some Blog Posts in Discourse Have A Preview? Product Support	7	2608	22 أكتوبر 2019
"Onebox Assistant", crawl for those previews reliably! Plugin onebox	96	12757	9 مايو 2025
Twitter embeds have broken Product Support	27	4222	8 يوليو 2020
Link preview not working for specific site Product Support	10	2559	13 ديسمبر 2019
Twitter Native Embed Theme component	119	9055	4 أكتوبر 2026

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