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An SLD (Second-Level Domain) is the second-level part of a domain name, meaning the main element located to the left of the top-level domain (TLD). For example, in nic.ua, nic is the SLD and .ua is the TLD.
In simple terms, an SLD is the main name of your website or brand in a domain. It is usually the part you choose when registering a domain (for example, brand in brand.com). The right SLD affects brand recognition, memorability, and how well the domain matches your business or project topic.
An SLD is the main part of a domain name that you choose for your website. For example, in domain.com, the word domain is the second-level domain (SLD).
The SLD is the domain name part (for example, nic in nic.ua), while the TLD is the extension after the dot (for example, .ua, .com, or .org). Together, they form the full domain name.
A good SLD is usually short, clear, easy to read, and easy to remember, and it should relate to your brand, product, or project topic. It is best to avoid complicated spellings, extra symbols, and ambiguous words.