Syndication-source

syndication-source indicates the preferred URL for a syndicated article. If two versions of an article are exactly the same, or only very slightly modified, we're asking publishers to use syndication-source to point us to the one they would like Google News to use. For example, if Publisher X syndicates stories to Publisher Y, both should put the following meta tag on those articles:

Syndication-source

Syndication-source indicates the preferred URL for a syndicated article. If two versions of an article are exactly the same, or only very slightly modified, we're asking publishers to use syndication-source to point us to the one they would like Google News to use. For example, if Publisher X syndicates stories to Publisher Y, both should put the following meta tag on those articles:

News Publisher

News publishers and readers both benefit when journalists get proper
credit for their work. That can be difficult, with news spreading so
quickly and many websites syndicating articles to others. That's why
we're experimenting with two new meta tags for Google News:
syndication-source and original-source. Each of these meta tags
addresses a different scenario, but for both the aim is to allow
publishers to take credit for their work and give credit to other
journalists. Here's how to use these meta tags: