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Uniform Resource Locator

A URL decomposes into scheme, host, port, path, query string, and fragment, each with a distinct role in locating and parameterizing a resource. Reserved characters are percent-encoded so data never collides with the delimiters.

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The Structure of a URL in Web Architecture

A URL (uniform resource locator) is a structured address composed of ordered, semantically distinct components — scheme, subdomain, domain name, top-level domain, file path, parameter string, and anc…