How do I "index" a link on a website to display it in a more presentable way? Example sites / app that do this is whatsapp, facebook, gmail. For example, in whatsapp just paste a link and wait a few seconds for it to take an image and link title and make it more presentable. If you have any plugins in php, or javascript, or jquery, etc., doing that is already a big help. I intend to apply this solution in the Php language.
Idonotknowif"crawling" is the correct term, but if anyone knows, even English, I can pass the correct term for me to search.