Category:Pages with URL errors

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This is a tracking category for CS1 citations that have URI scheme errors.

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Check |url= value

External links in Citation Style 1 and Citation Style 2 templates are made from two parts: the title (|title=, |chapter=, etc.) and the URL (|url=, |archive-url=, |chapter-url=, |lay-summary=, etc.). The |url= parameter and other URL parameters must begin with a supported URI scheme. The URI schemes http://, https:// and the protocol relative scheme // are most commonly used; irc://, ircs://, ftp://, news:, mailto: and gopher:// are also supported.

The URL field is checked to ensure that it contains only Latin characters and does not contain spaces. The URL may be protocol relative (begins with //). If there are no spaces and the URL is not protocol relative, then the scheme must comply with RFC 3986.[1]

Top- and second-level domain names are checked for proper form. Generally, top-level domain names must be two or more letters; second-level domain names must be two or more letters, digits, or hyphens (first and last character must be a letter or digit). Single-letter second-level domains are supported for:

all ccTLDs (the country code is not validated)
the .org TLD
certain letters of the .com TLD (q, x, z)
certain letters of the .net TLD (i, q)

Third- and subsequent-level domain names are not checked. The path portion of the URL is not checked.

To resolve this error, ensure that |url= and other URL parameters contain valid URLs. Online tools are available to internationalize URLs that are written in non-Latin scripts:

"IDN Conversion Tool". Verisign.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
"IDNA Conversion tool".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

Pages with this error are automatically placed in Category:Pages with URL errors.[lower-alpha 1]


  1. Pages in the Book talk, Category talk, Draft, Draft talk, Education Program talk, File talk, Help talk, MediaWiki talk, Module talk, Portal talk, Talk, Template talk, TimedText talk, User, User talk, and Wikipedia talk namespaces are not included in the error tracking categories.

  1. "Scheme". Uniform Resource Identifier (URI): Generic Syntax. Internet Engineering Task Force. January 2005.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

Pages in category "Pages with URL errors"

The following 200 pages are in this category, out of 9,909 total.

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