Google is typically highly secretive about how its search algorithm works, but these documents — along with recent testimony in the US Department of Justice antitrust case — have provided more ...

Google’s secretive search algorithm has birthed an entire industry of marketers who closely follow Google’s public guidance and execute it for millions of companies around the world.

AlphaTensor, from 2022, used the reinforcement learning method to produce novel algorithms. Fun Search, from 2024, used an evolutionary method to generate more efficient code for a given problem.

The March 2024 core update was massive, updating several systems within the core algorithm, plus bringing in a few new large spam policies. In 2023, Google had 9 confirmed algorithmic updates.