How do subdomains affect SEO, is it worth using them?
Hello! From a search engine’s point of view, a subdomain is a separate site. Therefore, there is no direct relationship between the promotion of the main site and the promotion of subdomains. Website promotion by subdomains increases the entire website’s semantic core, expanding its “representation” in the network. It is also true that external links to subdomains do not directly affect the main site’s performance. Promotion of the resource and its subdomains occurs separately.
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