Matt Cutts: how Google evaluates new ranking algorithms

In a video on YouTube, Google’s Matt Cutts explained how Google evaluates new ranking algorithms:

  1. They test the new algorithm offline. Search quality raters compare the new results to the old results.
  2. If the first test is passed, the new algorithm is tested with a subset of real live searchers. If the new results get a higher click rate, the search quality launch committee has the ultimate say on if the algorithm goes live to the public or not.

You can view the video here:

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Johannes Selbach

Johannes Selbach is the CEO of SEOprofiler. He blogs about search engine optimization and website marketing topics at "".

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