E-A-T stands for Expertise, Authoritativeness, and Trustworthiness, which represent key factors in content quality evaluation according to Google. Websites that adhere to these principles have higher trust from search engines and can achieve better positions in SERPs. For better E-A-T, it is essential to have expert and relevant content, transparent information about authors, quality links, and reputation. This concept is particularly important in YMYL (Your Money Your Life) areas, where content has a direct impact on users' health or finances.