What does an algorithm update refer to?

An algorithm update refers to the changes made by Google to its search algorithms, which are essential for determining how websites are ranked in search results. These updates are implemented to enhance the quality and relevance of search results for users, ensuring that they receive the most accurate and pertinent information for their queries.

Over time, Google has implemented numerous algorithm updates to adjust its ranking criteria, emphasize high-quality content, combat spam, and improve user experience. By refining these algorithms, Google aims to provide users with the best possible search experience, thereby influencing how different websites appear in search results. Understanding this concept is crucial for optimizing content and improving visibility in search engines.