Episode 15: How Can We Amplify Credibility Signals and Build Expertise, Authority, and Trust?
Episode 15: How Can We Amplify Credibility Signals and Build Expertise, Authority, and Trust?
Credibility is the closing argument in any AEO strategy. Intent and Understanding get a brand into consideration, but Credibility is what determines whether it’s selected as the answer. Episode 15 of the #SEOisAEO series put that question directly to three practitioners who’d been working the problem from different angles: what are the signals that build credibility for a brand in an algorithm’s eyes, which are most effective, and how do you amplify them at scale?
The episode also explored the relationship between Jason Barnard’s AEO credibility model and Google’s E-A-T framework - Expertise, Authoritativeness, and Trustworthiness. In 2018, E-A-T was already embedded in Google’s Search Quality Rater Guidelines, but its connection to answer engine selection was underexplored. The conversation with Natalie Mott, Carolyn Lyden, and Ash Rama drew that connection explicitly: E-A-T isn’t a content checklist, it’s an algorithmic measure of whether a brand deserves to be trusted as a source.
That framing holds in 2026. The vocabulary has expanded - Google added Experience to make it E-E-A-T, and the generative AI platforms have introduced their own trust evaluation layers - but the underlying logic is unchanged. Machines select answers from sources they’ve been given reason to trust. Building that trust requires consistent, corroborated, third-party signals across the web, not self-declaration on your own site.
This episode was the natural close to the series arc. The 14 episodes before it had established the technical infrastructure - schema, Knowledge Graph entities, semantic structure, machine learning - and the brand-building signals that feed into it. Episode 15 asked the question that all of it was building toward: how does a brand prove, to an algorithm, that it’s the most credible answer in its category?
Published by: Semrush. Host: Jason Barnard. Guests: Natalie Mott, Carolyn Lyden, Ash Rama. December 11, 2018
