I think the site_name is incorrect because it contains also the category. I can understand why you did it, but rules states "If the webmaster includes unnecessary data [...] your template must take care of this." (3.2)
The reporter's template properly handles the link preview.
Type of issue
Author added their own content
Reported
Feb 13, 2019
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I can understand why you did it, but rules states "If the webmaster includes unnecessary data [...] your template must take care of this." (3.2)