E-E-A-T (Experience, Expertise, Authoritativeness, Trust) is Google's framework for evaluating content quality. It's crucial for both SEO and GEO.
Experience - show that the author has practical experience with the topic. Use real-life examples, case studies, personal observations.
Expertise - present author qualifications. Add an 'About' page with team member biographies, certifications, and education.
Authoritativeness - build reputation through publications, citations, conference appearances, mentions in industry media.
Trust - ensure website security (HTTPS), add contact information, privacy policy, customer reviews. Be transparent.