Facebook Share doesn't show my description or my thumbnail

Question

I have followed every single piece of advice I have found to try to get this to work but all of it has been to no avail. Can someone tell me why my description/thumbnail doe

Answer 1

To those (like me) for whom the other answer did not work:

In the and section, add

` 

Then go to FB Linter and enter your URL there to refresh FB's cache of your page.

^^^ Refreshing the cache is important.