Duplicate content
Duplicate content occurs when the same information, or a very similar version, is accessible from several URLs
What it means, how it is used and where it comes up, with its related concepts.
What it is and how it works
It can arise from parameters, technical variants or repeated publications. It is worth identifying the main version and keeping signals consistent. Duplication does not automatically mean a penalty, but it can complicate crawling, URL selection and the reading experience.
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