You'll need to report that to the owners of the site, it's not really a Confluence issue.
Although, if you think Atlassian should remove dead links from the docs, we don't really have a formal way to tell them - they pick up here sometimes, but the only reliable way is to raise a support issue saying "docs are wrong" over at https://support.atlassian.com (problem is, there's no specific call type for "docs broken")
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
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