How Facebook link preview happens?

Question

When you type a URL into facebook, it automatically comes up with the \"post a link\" feature. With most websites, it automatically loads a selection of images it pulls from som

Answer 1

@Keshan.

I developed myself a Facebook Link Preview with PHP and jQuery that is on my website. Take a look... The source code is free... I didn't post the whole code here because they are many files... But if you prefer the code to be posted here, tell me and I'll post.

It's available on Github https://github.com/LeonardoCardoso/Facebook-Link-Preview

Facebook Link Preview - PHP + jQuery