Keyword cannibalization is an SEO working term for unintended overlap between pages trying to answer substantially the same search need and potentially competing with one another as a result.[2] Repeating a word across pages is not itself the problem; unclear roles for the destinations are.[2] For duplicate or strongly similar pages, Google may select one canonical URL, which is the related technical canonicalization mechanism.[1]
Before merging a category page and buying guide, check whether they actually answer different questions. A manual, product page and comparison can mention the same product while each remaining useful. Clarify the main destination for each search need through content, titles and internal links. A canonical pointing elsewhere is not a universal remedy for every content overlap.
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Compiled with AI assistance using public sources. General explanation, not individual legal or tax advice. Describing a concept does not mean Zoloo offers it as a feature.