ULR

UlR (often written ulr) is not a standard term with a single, widely recognized meaning. In most technical writing, ulr is treated as a misspelling or typographical error for URL, the abbreviation of Uniform Resource Locator used to identify addresses on the World Wide Web.

When ulr appears in text, it is usually a mistaken variant of URL rather than a distinct concept. URL is ubiquitous in documentation, browsers, and networking, and is the preferred term for specifying web addresses. If ulr is encountered as an acronym in a document, its meaning is not universal and depends on the specific context; in such cases the expansion should be defined by the author or within that organization’s materials.

Because there is no universal definition for ulr outside of it being a probable typo, readers should rely on the source for clarification. The best practice is to use URL for Uniform Resource Locator in references to web addresses, and reserve ulr for typographical usage only.

If a particular organization or project intentionally uses ulr as an acronym, its meaning should be provided at first use, and subsequent references should continue to follow that defined expansion. In standard reference works and general documentation, however, ulr remains nonstandard and is typically treated as a misspelling rather than a recognized term.

See also: URL, Uniform Resource Locator, acronym usage, typographical errors, web terminology.