When moving a website, care should be taken to use correct redirects

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Avoid duplicate content - here's how:
Using a canonical tag points to the version of the URL that should be displayed preferentially on SERPs. This is useful for online stores that display the same content on many pages.
Internal links should always be designed in a uniform manner; for example, always with an intro - - in the URL.
In many cases, a 301 redirect from the duplicate page to the original page helps.
Google recommends using the correct CC TLDs (Country Code Top Level Domains), and webmaster tools can be used to tell Google how to index domains.
Are you a HubSpot user? - The Google Search Console integration offers SEO control.

This is especially true for shops: even for products skype database that are very similar, individual product descriptions make sense.
The “noindex, follow” tag can be used to exclude unavoidable duplicate pages from the Google search index.
If it is not possible to set a canonical tag , linking to the original source of the content is usually an alternative.
In any case, it is recommended: Get rid of placeholder pages!
Ultimately, everything on the web is about visibility? - That's why you should pay attention to your ranking.

Every content management system sometimes automatically publishes content under different domains, e.g. on the homepage, in the archive and in the content generator.
A comprehensive understanding of the processes of your own CMS helps to avoid this.
Important to know: Real SEO corresponds directly with strategic content marketing. Search engines particularly value the structured presentation of content contributions. The core or pillar of a topic area is supported by logical subtopics. This creates logically structured knowledge databases.