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Unveiling URI, URL, and URN


This guide provides an overview of URI, URL, and URN, explaining their differences and use cases.

When configuring the communication and connection of different web services, we frequently encounter the concepts of URI, URL, and URN. In this article, we will provide examples and explain the differences between them to help everyone better understand these concepts and correctly interpret and use them when reading technical blogs, documentation, or communicating with other engineers. Additionally, for example, using file services or many "Contact Us" buttons on web pages are linked to URLs, such as:

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URL

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URN

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Unveiling URI

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