SLD stands for Second Level Domain. It is the part of a domain name that is located immediately to the left of the top-level domain (TLD). For example, in the domain name "example.com", "example" is the SLD.
The SLD is used to identify the specific organization or entity that owns the domain. In general, a domain name can be divided into three parts: the SLD, the TLD, and the subdomain (if any). For example, in the domain name "www.example.com", "www" is the subdomain, "example" is the SLD, and "com" is the TLD.
The SLD is an important part of a domain name because it helps users to identify and locate specific websites. It is also used by search engines to help determine the relevance and authority of a website.
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