The first three metrics refer to “the number of articles produced … during a given time period, an average length of an article [and] the importance of coverage from the news source.” These favor large publishers, but they select for originality and focus as well.
Google is actually “counting the number of original sentences”
[...] The “breaking news score” is a metric of how quickly a publisher jumps on a story.
[...] The next three factors, usage patterns, human opinion and circulation statistics, are different ways of assessing popularity.
[...] In a further nod to “legacy media,” metrics eight and nine measure the number of individual bylines associated with a news source as well as the number of news bureaus. Unclear how much this will affect head counts at large publishers.What do you think?