From the Checklist 3.2 Link Preview: The site_name property must include the correct name of the website. If the webmaster includes unnecessary data (e.g. ‘Site {sitename}’) or mixes the site name with the article title, your template must take care of this
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From the Checklist 3.2 Link Preview:
The site_name property must include the correct name of the website. If the webmaster includes unnecessary data (e.g. ‘Site {sitename}’) or mixes the site name with the article title, your template must take care of this