E-E-A-T and AI Search: There Is No Score to Improve
99Visibility Research · Updated October 21, 2026 · 8 min read
Short answer
There is no E-E-A-T score. Google states that E-E-A-T (experience, expertise, authoritativeness, trustworthiness) "isn't a specific ranking factor," and its rater guidelines say human ratings cannot position pages. AI Overviews and AI Mode add no requirements beyond being indexed and eligible for a snippet. The habits behind E-E-A-T, such as real authorship, sourced claims and accurate facts, are still good practice. No tool can measure them as a number.
Key takeaways
- Google says E-E-A-T isn't a specific ranking factor, so any tool that reports an E-E-A-T score invented the number.
- Google's AI Overviews and AI Mode require only that a page is indexed and eligible for a snippet, with no extra E-E-A-T gate.
- Real authors, cited sources and specific, accurate facts remain worth doing because they help readers and give engines clear sentences to quote.
- Fabricated credentials are a risk: in Otterly's test, the site with a fictional expert author box was deindexed first.
- Start with access and indexing, then facts, then authorship, and measure each AI engine separately.
What Google actually says about E-E-A-T
Google's guidance on helpful content states that E-E-A-T "isn't a specific ranking factor." It is a concept that describes what good content looks like. Google says its systems approximate it through other factors, with more weight on topics that affect health, money or safety.
The Search Quality Rater Guidelines (revision dated 11 September 2025) back this up. They say: "Using ratings to position results on the search results page would not be feasible, as humans could never individually rate each page on the open web." A rater's judgement of your page does not move your page.
The same guidelines define authoritativeness per topic, not per site. Raters are asked to "consider the extent to which the content creator or the website is known as a go-to source for the topic." That is a judgement about a subject, not a site-wide number.
What this means for you:
- There is no numeric quantity called E-E-A-T inside Google to raise.
- Any audit that hands you an "E-E-A-T score of 62" built that number itself.
- Google's statements are assertions, not independent measurements. They are still the best available evidence for how Google's own surfaces work.
For the full definition and the history of the myth, see the E-E-A-T glossary entry and our digest of Google's helpful content guidance and E-E-A-T.
How E-E-A-T relates to AI Overviews and AI Mode
Google's AI features documentation (last updated 10 December 2025) sets one bar. To appear as a supporting link in AI Overviews or AI Mode, "a page must be indexed and eligible to be shown in Google Search with a snippet." It adds: "There are no additional technical requirements."
The same page says there are no "special optimizations necessary" for these surfaces. It also warns that "indexing and serving isn't guaranteed." Eligibility gets you into the pool. It does not get you picked.
It helps to split an AI answer into stages:
- Access: can the crawler fetch and index the page. You control this.
- Retrieval: does the page enter the model's context for a given query. The operator controls this, partly.
- Generation: which retrieved pages get used and cited. The model controls this.
- Parametric: what the model knows with no web access, frozen at a training cutoff. Nobody changes this quickly.
E-E-A-T is not a checkable gate at any of these stages. As of October 2026, AI Overviews often do not trigger at all, and other engines such as ChatGPT and Perplexity do not use Google's concept. OpenAI's public description of its ranking is that it uses "multiple factors." Our digest of Google's AI features documentation covers the eligibility rules in detail.
Where the E-E-A-T score comes from
The score is a product feature, not a Google metric. Tools gather signals they can see, such as author bylines, an About page, review counts and backlinks. They weight those signals and print a number.
The weights are the vendor's guess. Nothing outside Google can check them against how Google ranks, because Google publishes no such score.
Domain authority follows the same pattern. Domain Authority is a Moz metric, and no search or AI engine computes it. Google publishes no site-level authority score. (Google does describe a news-scoped "topic authority" system, so it is not accurate to say Google has no notion of authority at all.)
The practical test is simple. Ask what ground truth the score is checked against. If the answer is "our own model," treat it as an opinion. The same logic applies to tools that report a position inside AI answers, which we cover in why AI has no rank to check.
What is in your control and what is not
Some E-E-A-T practices are worth doing for readers. One has a positive signal in the evidence. Others are not levers at all.
| Practice | Status | Why |
|---|---|---|
| Named authors with real, relevant experience | Good practice, no score | Helps readers judge the content. Google says E-E-A-T is not a ranking factor |
| Sources cited for claims | Good practice, no score | Lets readers and editors verify what you say |
| Specific facts stated plainly (prices, numbers, one-line definitions) | Good practice with evidence | Gives an engine a sentence it can quote, the only positive experimental signal for on-page content |
| The same facts stated the same way across your site | In your control | Contradictions between your pages give engines conflicting versions to repeat |
| Being named on sites that engines already cite | Association, not a lever | Strong association in the evidence, with no promised effect |
| An "E-E-A-T score" | Does not exist | No first-party system computes one |
| Fictional authors or inflated credentials | Risk | Deception, and in Otterly's test it did not protect the site |
What you cannot control: whether an AI Overview triggers for a query, how engines rewrite the user's question, which retrieved sources the model cites, and how well known your brand already is. Brand size is the biggest confounder in almost every study of AI citations. Accept that, and spend effort where you have a lever.
A practical order of work
Work from the gates you control toward the ones you can only influence.
- Confirm access. Check that key pages are indexed and not blocked by
noindex,nosnippetormax-snippet:0. Check robots.txt per bot:OAI-SearchBotcontrols ChatGPT search, whileGPTBotcontrols training only. Then check that your firewall or CDN does not turn crawlers away. The AI Crawler Checker requests a page as each AI crawler and shows which ones get blocked. - Check rendering. Most non-Google AI crawlers do not execute JavaScript, according to Vercel's crawler data. Make sure prices, product names and key claims are in the HTML before scripts run.
- State your facts. Put your price, your numbers and a one-line definition of what you do on pages that can be fetched. Fix any page that says it differently.
- Make authorship real. Name the people who wrote or reviewed the content, and say what they actually know. Cite your sources. Do this because readers trust it, not to raise a score.
- Earn mentions elsewhere. When engines cite other sites for your topic, being named on those sites is the route into the answer. Treat it as an association, not a guarantee.
- Measure each engine separately. The free checker on this site shows whether AI engines name you for up to three buyer questions. It is a snapshot, so recheck after changes. For more on options, see free AI visibility checkers.
Common mistakes
These are the errors we see most often in E-E-A-T advice for AI search.
- Buying an E-E-A-T audit for the score. The number has no ground truth behind it. If the audit lists concrete problems (missing authors, uncited claims, conflicting prices), the list is useful and the score is not.
- Inventing authors or credentials. A fictional expert is deception. Otterly's fictional-biologist site was the first one Google removed.
- Adding schema to "signal E-E-A-T." Google says structured data isn't required for generative AI search. Ahrefs' matched test of 1,885 pages found AI Overview citations fell 4.6% after schema was added. Existing markup does no harm, but it is not a lever. See whether schema markup helps AI citations.
- Rewriting for an "AI-friendly" style. Google's generative AI guide says you don't need to write in a specific way for AI search, and that there is no ideal page length. Our digest of Google's generative AI optimization guide and the note on ideal content length cover this.
- Assuming Google's concept applies everywhere. ChatGPT, Perplexity and Claude do not document using E-E-A-T. Each engine has its own index and retrieval rules.
- Overcorrecting. "E-E-A-T isn't real, so delete author bios" is not supported either. Real authorship still helps the people reading your page.
Frequently asked questions
Is E-E-A-T a ranking factor for Google AI Overviews?
No. Google says E-E-A-T isn't a specific ranking factor, and its AI features documentation lists no extra requirements for AI Overviews or AI Mode. A page must be indexed and eligible to show with a snippet. Beyond that, Google says no special optimization is necessary. Eligibility is not a guarantee of inclusion, and nothing about E-E-A-T can be checked or scored from outside Google.
Do author bios help ChatGPT or Perplexity cite my pages?
No published evidence shows that author bios increase citations in ChatGPT or Perplexity, and neither engine documents using E-E-A-T. Bios are still worth having for readers when the authors are real. What these engines need first is access: robots.txt that allows their search crawlers, a firewall that lets them through, and key content in the HTML before JavaScript runs.
Why do SEO tools show an E-E-A-T score if Google has none?
Tools combine signals they can observe, such as bylines, About pages, reviews and backlinks, then weight them into a single number. The weights are the vendor's choice. Google publishes no E-E-A-T score and no site-level authority score, so there is nothing to check the tool's number against. Use the tool's list of concrete issues and ignore the headline figure.
Does E-E-A-T matter more for health or finance content?
Google says its systems give more weight to signals of trustworthiness on topics that can affect health, money or safety. That is still not a score you can raise. For these topics, the practical work is the same but stricter: real qualified reviewers, sources for every medical or financial claim, and facts that match across every page on your site.
How do I know if AI engines describe my brand correctly?
Ask the questions your buyers ask, on each engine, and compare the answers with your own facts: pricing, product names, location and what you do. Check each engine separately, because results differ by platform and by whether the engine searched the web for that answer. Wrong facts often trace back to pages on your own site that contradict each other.
Sources
- Creating Helpful, Reliable, People-First Content
- AI Features and Your Website
- Google's Guide to Optimizing for Generative AI Features on Google Search
- Spam Policies for Google Web Search
- 2000 AI Blogs Experiment: Does Google Penalize AI Content?
- We Tracked 1,885 Pages Adding Schema. AI Citations Barely Moved.
This page is AI-assisted. It was written from a verified evidence base and checked against our editorial policy. Engine behaviour changes often; facts are as of October 21, 2026.