Link Previews with Open Graph

Open Graph tags in a page's head decide the card a chat app or social site shows when someone pastes your link, with its title, description and picture.

Updated

Codey's cheat sheet for Link Previews with Open Graph: Open Graph tags in a page's head decide the card a chat app or social site shows when someone pastes your link, with its title, description and picture.
Category
HTML
Level
Journeyman
Tags
<meta>, html, Meta content, Meta name, Open Graph, URL, web-development