Google often mentions E E A T when talking about good search content. The letters mean experience, expertise, authority, and trust. In simple terms Google wants articles written by people who understand the topic and show real knowledge. Affiliate sites sometimes struggle here because many posts look copied or shallow. Adding real testing, clear explanations, and honest opinions can improve trust signals. Author pages and about pages also support this idea. Why do many marketers believe this matters for ranking today in affiliate blogs and review sites online?