What’s with websites like YouTube and Discord giving extra metadata to links recently?

• https://media.discordapp.net/attachments/366752984002199559/1177254110483972096/image.png?ex=6571d654&is=655f6154&hm=bf99a1d5e077043aafd467f3f453b2e0d7ad02667f6fcd642141fe7374481ef9&;

• https://youtu.be/dQw4w9WgXcQ?si=5156Ja7eEzrH0_vq

It’s very annoying since I have to remove it every time I share a link