How does Facebook Sharer select Images and other metadata when sharing my URL?

Question

When using Facebook Sharer, Facebook will offer the user the option of using 1 of a few images pulled from the source as a preview for their link. How are these images selec

Answer 1

To change Title, Description and Image, we need to add some meta tags under head tag.

STEP 1 :
Add meta tags under head tag

NEXT STEP :
Click on below link
https://developers.facebook.com/tools/debug

Add your URL in text box (e.g http://www.test.com/) where you mentioned the tags. Click on DEBUG button.

Its done.

You can verify here https://www.facebook.com/sharer/sharer.php?u=http://www.test.com/

In above url, u = your website link

ENJOY !!!!