OpenGraph, Twitter Cards, and article metadata in Astro

Original post: OpenGraph, Twitter Cards, and article metadata in Astro Series: Part of How this blog was built — documenting every decision that shaped this site. When someone shares a link to a blog post, the card that appears in Slack, LinkedIn, or iMessage is determined by OpenGraph tags in the . Get them wrong and the shared link is an unformatted URL. Get them right and it shows the post title, description, and a properly sized cover image. This is table stakes for any public-facing blog, b