Definition of "referer" [referer]

• Common misspelling of referrer. (noun)
• The referring page; the URL that referred to a given page. (noun)

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• "This morning, I noticed an incoming referer from the German edition of the same magazine: Wie Blogger den Tsunami-Opfern Halfen, with my photograph."
• "They are normally used for setting the security of a directory, but in this case redirected visitors if their referer was a search engine."
• "Eckersley said the "referer" problem isn't new, nor is it necessarily limited to Facebook."