URL: https://andrejgajdos.com/how-to-create-a-link-preview/
Nowadays, we can see link preview feature in almost every social network or chat application, where users can send or share url links. In this blog post, I want to share with you, how to create a link preview feature without third-party APIs. I am going to describe the whole strategy of creating link previews, including implementation using open-source libraries in node.js.