In March 2024, Google accidentally published internal API documentation that detailed all of the elements used by the Google Search team to make its search engine work.
It has subsequently been confirmed as genuine by Google, and it's a bit of doozy.
It details all of the 'ingredients' for Google Search and it also contradicts a number of things the search engine provider has said in the past.
In this video, Paul Wood talks through some of the things that have stood out to him from the documentation so far.