Which are the google algorithms?

What does Google base their algorithms on? Predetermined criteria or a set of training websites?

  • In other words, do they use an approach similar to neural-networks where they train (fine-tune) their algorithms on a set of websites that are considered to provide quality content or poor quality content. Or do they implement their algorithms to reflect some predetermined criteria, such as links from quality resources. If the answer is a combination, which side has more weight?

  • Answer:

    I'd strongly assume that it's based on their algorithms, because the variance across the whole Internet is rather huge and therefore 'cookie cutting' training websites does not seem viable, to me at least.

Christopher Angus at Quora Visit the source

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Other answers

They primarily use a pre-determined set of signals which they weight. They do this because it gives them more control over the algorithm. They also use human quality testers that manually evaluate website quality. They use those inputs to help train their algorithms. This is where the Panda update came from.

Dan Cristo

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