From the course: Advanced SEO: Developing an SEO-Friendly Website

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Subdomains

Subdomains

From the course: Advanced SEO: Developing an SEO-Friendly Website

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Subdomains

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- [Narrator] I want to take a few minutes to discuss subdomains. This is a hot topic in the world of SEO, it's widely debated, and it's worth really understanding what's going on when you decide whether or not to use a subdomain. But before we can unravel how these subdomains interact with your optimization efforts, let's start by talking about what a domain really is. A domain has three parts, the top-level domain, abbreviated as TLD, the domain name, and the subdomain. You may also hear me mention root domain, and this includes both the domain name and the top-level domain. Top-level domains are also commonly called suffixes. This is your .com, .net, .book, and so on. Countries can also have top-level domains. We refer to these as country code top-level domains, or CCTLDs. That's say, .uk, .de, .ca, and so on. The domain name is actually the second level in the hierarchy because we work right to left, so top-level domain, domain, followed by subdomain. So if we look at these…

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