What about using rel="share-url" to expose sharing intents?
Let's say that you've visited a website and want to share it with your friends. At the bottom of the article is a list of popular sharing destinations - Facebook, BlueSky, LinkedIn, Telegram, Reddit, HackerNews etc.
You click the relevant icon and get taken to the site with the sharing details pre-filled.
The problem is, every different site has a different intent for sharing links and text. For example:
https://www.facebook.com/sharer.php?u=…&t=…
https://www.linkedin.com/sharing/share-offsite...
Read more at shkspr.mobi