Now the company is delivering, announcing a change to its ranking algorithm designed take out such material.
The new algorithm — Google’s “recipe” for how to rank web pages — starting going live yesterday, the company told me in an interview today.
Google changes its algorithm on a regular basis, but most changes are so subtle that few notice. This is different.
Google says the change impacts 12% (11.8% is the unrounded figure) of its search results in the US , a far higher impact on results than most of its algorithm changes. The change only impacts results in the US. It may be rolled out worldwide in the future.