When sharing a link to your site on Linkedin, the post automatically uses the set Cover Image.
The image displayed with your site URL is typically the image selected as the ‘Cover Image’ for the page you are sharing. It may be helpful to view our Cover Image guide for more details
You can reset the image used after updating the Cover Image on Linkedin using this link https://www.linkedin.com/post-inspector/inspect/
Also see our Facebook article.
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