The opengraph tester shows us everything should be fine:
<!-- HTML Meta Tags -->
<title>Zoo Community Forum</title>
<meta name="description" content="A place for the community to help each other learn how to use the Zoo tools and API.">
<!-- Facebook Meta Tags -->
<meta property="og:url" content="https://community.zoo.dev">
<meta property="og:type" content="website">
<meta property="og:title" content="Zoo Community Forum">
<meta property="og:description" content="A place for the community to help each other learn how to use the Zoo tools and API.">
<meta property="og:image" content="https://discourse-uploads.zoo.dev/original/1X/162d5a9fda090bf15dbdcbb3d5b82056970f13a8.svg">
<!-- Twitter Meta Tags -->
<meta name="twitter:card" content="summary_large_image">
<meta property="twitter:domain" content="community.zoo.dev">
<meta property="twitter:url" content="https://community.zoo.dev">
<meta name="twitter:title" content="Zoo Community Forum">
<meta name="twitter:description" content="A place for the community to help each other learn how to use the Zoo tools and API.">
<meta name="twitter:image" content="https://discourse-uploads.zoo.dev/original/1X/162d5a9fda090bf15dbdcbb3d5b82056970f13a8.svg">
<!-- Meta Tags Generated via https://www.opengraph.xyz -->
and expects the following results to show on Twitter and LinkedIn:
The problem does not seem to be in the data Discourse is returning.
Assuming of course, that Twitter/LinkedIn receive this data.
I would guess the problem is that Cloudflare is blocking the request from Twitter/LinkedIn that crawls the site to generate the preview.