Is there any documentation on which open graph metadata tags mastodon is looking for with its website "card" displays?

I've searched around and didn't find much. Looked at at source of a few examples that render correctly, and although my site seems to share the same og data, I've yet to see it render as a card when linking here.

@rho My site displays correctly and I have both twitter and facebook metas, look at the header of this page.

@neauoire Yep using the same tags as you. Twitter has always displayed correctly for me. I'm wondering if the .pizza suffix is throwing off a conditional somewhere.

Perhaps I'll continue searching in the issue queue.

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