Mar 16
21
The way 30 trillion web pages are ranked changed forever on October 26, 2015. That’s when the world became aware of RankBrain , Google’s machine-learning artificial intelligence system. Google calls RankBrain, when it’s in use, “the third-most important signal contributing to the result of a search query.” Google’s mission: to terminate any web pages from its results that don’t provide the highest-quality content and to find the most relevant answers for users
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RankBrain Judgment Day: four SEO tactics you’ll need to survive