Impact is an automatic estimate of how much a story is likely to
affect one website, weighing who published it, whether Google has
confirmed a ranking change, how many outlets ran it, and whether
the wording implies work on your site. It reads headlines, not
your analytics — treat it as triage, not a verdict.
In an analysis of ~45 million keywords in which Google displayed their Top Stories SERP feature, the 1,000 most prominent domains accounted for 97.3% of all listings. That’s just one of many insights…