What is EAT?

Expertise, authoritativeness, and trustworthiness. Mentioned 135 times across Google's 175-page search quality guidelines, it evaluates author credibility and on-page signals to determine how much authority a page deserves.

From 12 Essential On-Page SEO Factors You Need To Know Ep. 541

Expertise, Authoritativeness, and Trustworthiness. Gary Illyes describes it as guidance written for human quality raters explaining what Google algorithms look for, not a direct ranking signal.

From Algorithmic Brand Optimization: Interview with Google’s Gary Illyes Ep. 576

Expertise, authoritativeness, and trustworthiness. Google uses these factors to evaluate content quality, looking at the content creator's credentials, domain authority via links and citations, and brand trustworthiness via sources such as the BBB.

From Episode 522: Enterprise SEO Content: Opportunity, Dynamic Creation & Scale by Lemuel Park #523

Expertise, Authoritativeness, and Trust. Google uses these signals to evaluate content quality, with particular weight on verifiable author credentials and trustworthy linking patterns.

From Episode 516: 2021 Google Algorithm Updates #516

A Google quality standard the hosts describe as requiring blog author bios, supporting data, and proof of business legitimacy such as team photos, to establish Expertise, Authoritativeness, and Trustworthiness.

From Episode 512: 12 Reasons Why Your Business Absolutely Needs SEO by Sam Hollingsworth Part 2 #512

Expertise, Authoritativeness, and Trust. The episode notes Google is building on these signals and that upcoming updates will require backing up claims with verifiable authority.

From Episode 517: How Can We Prepare for What SEO May Look Like In Future by Mindy Weinstein #517

Google quality rater guidelines criteria, referenced in the episode as the framework law firms should follow when building their online brand and content.

From Episode 506: 9 Law Firm Marketing Tactics for Business Building in 2021 by Kristopher Jones #506

Google's framework for evaluating content quality, referenced in the episode as the reason third-party media coverage and awards help a brand rank and convert online.

From Mastering Public Relations: Strategies for Building Trust and Navigating Media Relations with Justin Goldstein

Not a ranking signal but a framework in Google's raters guidelines explaining to human quality raters what the algorithms look for when evaluating content quality.

From Gary Illyes Interview - Happiness and Sunshine from Google | Discussion with Top Google Algorithm Expert about current Search trends! #502