EEAT is the framework Google's quality raters use to evaluate content, especially in topics where inaccurate information could cause harm. Experience covers whether content reflects genuine firsthand use of a topic, not just research, expertise is whether the creator demonstrates real knowledge, and both show up through specific, concrete details that are hard to fake.
Authoritativeness is about reputation, whether a site or author is recognized by others as a legitimate source, built cumulatively through backlinks and mentions from other respected sources over time, and trustworthiness, often described as the most important of the four, covers accurate sourcing, transparency, and secure infrastructure, since without it the other three do not matter much.
EEAT is weighted especially heavily for medical, financial, legal, and safety-related content, where the cost of ranking inaccurate information is much higher than elsewhere. It is not a checklist to game, content that is accurate, written by someone who knows the subject, and backed by real reputation tends to naturally satisfy EEAT rather than needing to be artificially engineered to look that way.
In practice, experience often shows up as small, specific details that are genuinely hard to fabricate: a photo of the actual product being used instead of a stock image, a specific number from a real project instead of a rounded, generic claim, or a mention of a mistake made and corrected along the way. Google's own quality rater guidelines specifically call out this kind of concrete, first-hand detail as the clearest signal that separates real experience from content written about a topic secondhand.
None of the four pillars work in isolation either, a site can have genuine expertise but weak trustworthiness signals, like no clear author information or contact details, and still underperform despite the underlying quality. That's why EEAT is best understood as four interconnected signals working together, not four separate boxes to check off independently.
E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) isn't a direct ranking factor Google's algorithm scores mathematically — it's a framework Google's own quality rater guidelines use to describe what high-quality content generally looks like, and it indirectly influences rankings through the actual ranking signals it correlates with (genuine expertise tends to produce content with better structure, sourcing, and depth, which are things algorithms can more directly measure).
The "Experience" component, added most recently to the original E-A-T framework, specifically rewards first-hand, lived experience with a topic over purely researched or aggregated knowledge — a product review written by someone who actually used the product tends to contain specific, verifiable details (exact measurements, real photos, specific complaints) that a review assembled purely from research and other reviews typically can't replicate, and this distinction has become increasingly important as AI-generated content has made purely aggregated content easier to produce at scale.