At the heart of the World Wide Web lies a fundamental element that shapes our online experience – Uniform Resource Identifiers (URIs). In this article, we will delve into the significance of Cool URIs don’t change, the title of a well-known document by Tim Berners-Lee, the inventor of the World Wide Web.

In this post, we’ll discuss the difference between a URI and a URL. A Uniform Resource Identifier (URI) is a string that identifies an abstract or physical resource. A Uniform Resource Locator (URL) is a type of URI that, in addition to identifying a resource, provides a mechanism for accessing it.