How to pass a parameter like title, summary and image in a Facebook sharer URL

Question

Question:

I need to pass my content like title, summary and image in a Facebook sharer URL like this:

Answer 1

The only parameter you need right now is ?u=. All other data will be fetched from page or (better) from your open graph meta tags:

Example & description here

You can test your page for accordance in the debugger.