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I know there is a meta property:
<meta property=”og:image” content=”‘ MY_IMAGE_NAME ‘”/>’;
But what does it do? Does it force it to be seen? Does it force it to be unseen? I want meta tags that force unseen, since Facebook is always picking up my ugly menu bars instead of my awesome content these days…
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If there is one, it should be specified in the FB dev docs, because I don’t think it’s part of the now independent official docs.
Sites can choose to designate whatever rich content to your links they want in any event, so it’ll only be out of the kindness of their hearts if there’s a way to disencourage it.