The original-source meta tag can be used by publishers wanting to claim their article as the original version. In a sense, it’s somewhat like the rel=”canonical” tag, which can be used to indicate the canonical version of similar web pages (more about the canonical tag below).
Search Engine Land, for example, could use the original-source meta tag on this article (and others) to indicate that ours — not the various sites that scrape our content or reference it in other ways — is the original version.
Similarly, Google says this meta tag can also be used in the same way publishers link to other sites. For example, since this article is also referencing an announcement on the Google News blog, we could use the original-source tag similarly to how we cite them via a link.
In fact, Google says you can cite several different sources with multiple versions of this tag if you want to credit each one that led to the article you’ve published. The tag looks like this:
meta name=”original-source” content=”http://www.somedomain.com/article1.html”Source:-http://searchengineland.com/google-creates-metatags-to-help-id-original-news-sources-56115
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