Facebook – Image appears next to the share at Facebook, though it shouldn’t

facebook

My blog sends out as og:image an image 32×32 pixels, because theme used does not support featured images and there are no images in the shared article itself. Such small images are (should be) too small for Facebook to include along with share.

This is confirmed by both Facebook Debugger:

output from Facebook debugger

and Facebook Sharer:

output from Facebook Sharer

neither of these two contains image, when testing my share.

And so the shared post, when editing it for the first time:

output from shared post

Yet, when share post is finally made, few minutes later, scratchy, pixelized 32×32 image appears:

output from final shared post

What can be causing this and is there any way to block this?

Best Answer

That is the image added by Jetpack. If it finds no image in the post it defaults to site icon.

Remove only og:image

function wap_84598_remove_image_tag( $tags ) {
      unset( $tags['og:image'] );
    return $tags;
}
add_filter( 'jetpack_open_graph_tags', 'wap_84598_remove_image_tag' );

For more details you can check this answer on WPSE.

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