The document summarizes the 6 latest Google algorithms that will affect search engine ranking in 2021. These include Passage Ranking, Product Reviews Update, Broad Core Algorithm Update, Page Experience Update, June 2021 Spam Update, and Google Link Spam Algorithm Update. The Broad Core Algorithm Update and Page Experience Update aim to improve overall search quality, while the Spam Updates target link spam tactics. Digital Mesh offers website optimization services to help clients stay compliant with Google's constant algorithm changes.