Google's search algorithm is a complex system that retrieves data from its vast index of web pages to provide users with the most relevant search results. The algorithm considers numerous factors, including keywords, site quality, user engagement, and the freshness of content. One of the key components of the algorithm is PageRank, which evaluates the quality and quantity of links to a page, helping to determine its authority and relevance. Google continuously updates its algorithms to improve search accuracy and combat spammy practices, ensuring that users receive the best possible results for their queries. Additionally, machine learning and artificial intelligence play significant roles in refining search results, allowing Google to understand user intent better and deliver personalized content.