What is the Google RankBrain algorithm, and how does it work?

@june.crooks 

RankBrain is a machine learning algorithm developed by Google, designed to help improve search engine results. It's one of the many factors that Google uses to determine the relevance and ranking of web pages in search results.

Here's how RankBrain works:

1. Understanding Queries: When a user enters a search query, RankBrain aims to better interpret and understand the meaning behind it. It uses artificial intelligence (AI) to analyze the words and context to grasp the searcher's intent.
2. Mapping Queries to Content: RankBrain then matches the user's query to the most relevant content. It does this by comparing the search query with previously analyzed web pages and identifying patterns of relevance. RankBrain helps Google provide relevant results even for new or less familiar queries.
3. Learning and Adapting: As the algorithm encounters new queries, RankBrain learns how different factors contribute to a web page's relevance and quality. This enables it to continuously improve future search results and refine its understanding of user queries.

Overall, RankBrain helps Google provide more accurate search results by better understanding the nuances and context of search queries, especially for those with ambiguous or complex phrasing.