Google Core Updates are major algorithm changes implemented by Google to enhance the search engine's ability to deliver more relevant and authoritative content to users. These updates impact website rankings and search results, aiming to provide users with the most useful and trustworthy information. Google Core Updates focus on various aspects of website quality, including content relevance, expertise, authority, user experience, and trustworthiness. Webmasters and SEO professionals need to stay updated with these changes to ensure their websites align with Google's evolving criteria and maintain or improve their search visibility and organic traffic.