Trustworthiness
The most important dimension of E-E-A-T, per Google’s Quality Rater Guidelines: an untrustworthy page is low quality no matter how expert or authoritative it seems. Signals are editorial and technical — HTTPS, visible contact info, an about page, transparent sourcing, editorial standards, accuracy, and honesty about who runs the site.
First used in: 2.6 · Content & E-E-A-T