TL;DR. E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) is Google's quality rubric and increasingly an AI engine's citation rubric. For ecommerce: name your authors, show your team, cite your sources, display certifications, and demonstrate real customer experience through case studies. Stores that ignore E-E-A-T leave organic and AI citation traffic on the table.
What E-E-A-T is
E-E-A-T originally stood for Expertise, Authoritativeness, Trustworthiness. Google added "Experience" in 2022 — the E became E-E.
- Experience: first-hand use, ownership, or involvement with the topic.
- Expertise: credentials, depth of knowledge.
- Authoritativeness: recognition in the field.
- Trustworthiness: reliability, transparency, safety.
E-E-A-T is not a ranking factor directly. It's the rubric Google's human quality raters use to score search result quality. Google's algorithm is trained on rater scores; thus sites that demonstrate E-E-A-T tend to rank better.
For YMYL categories (health, finance, legal, government), E-E-A-T weight is high. For ecommerce, it's lower but still meaningful — especially for high-AOV, high-trust purchases.
Why ecommerce should care
Three reasons:
- Conversion: trust signals on product pages lift conversion 5–15%.
- Rankings: E-E-A-T-rich content ranks better in competitive niches.