I hope to display some content to users who have replied to this topic. Similar to Flarum's Reply to See plugin.
This is a very popular and useful feature.
So how to determine if a user has replied to a certain topic?

For many people, short URLs are very useful. And the URL title does not have much use. Many popular programs will preview the URL content.

og:title
og:description
og:image
twitter:title
twitter:description