Facebook doesn’t show featured image when my post is shared?
Knowledge Base > Sahifa > Facebook doesn't show featured image when my post is shared?
in case you are using “Sahifa” or “Jarida” theme, then please refer to this post
Facebook depends on something called (OpenGraph “OG” meta tags) to render the appropriate image when your post is shared, there are many plugins that can insert these tags in your posts automatically and getting your featured image appeared when your post is shared on Facebook, check these plugins examples:
Facebook Open Graph, Google+ and Twitter Card Tags
WP Facebook Open Graph protocol
NextGEN Facebook – Complete Meta Tags for FB, Google, Pinterest, Twitter, LinkedIn & More