Metadata is information that describes a page on your Refined site, but is not actually visible on the page itself. It lets you control the preview text and image that show up when you post a link on another platform, for example on Twitter, Facebook or Slack. Modules such as the Pages module and the News module also use metadata to show a preview text or image of a page. If a page has no metadata, the link’s preview text and image are taken from the on-page content.
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