Official statement
Other statements from this video 25 ▾
- 3:21 Le hreflang protège-t-il vraiment contre le duplicate content ?
- 4:22 Faut-il privilégier les tirets ou les pluses dans les URLs pour le SEO ?
- 6:27 Sous-domaine ou sous-répertoire : Google a-t-il vraiment aucune préférence SEO ?
- 8:04 L'attribut target="_blank" a-t-il un impact sur le référencement ?
- 9:09 Faut-il s'inquiéter du message 'site being moved' dans l'outil de changement d'adresse de la Search Console ?
- 10:12 Les vieux backlinks perdent-ils vraiment de leur valeur SEO avec le temps ?
- 12:22 Faut-il vraiment éviter les canonical vers la page 1 sur les pages paginées ?
- 13:47 Pourquoi Google ignore-t-il votre navigation et vos sidebars en crawl ?
- 15:46 Le texte autour d'un lien interne compte-t-il autant que l'ancre elle-même pour Google ?
- 18:47 Faut-il vraiment choisir entre fresh start et redirections lors d'une migration partielle ?
- 19:22 Architecture de site : faut-il vraiment choisir entre flat et deep ?
- 22:29 Faut-il vraiment garder ses anciens domaines pour protéger sa marque ?
- 22:59 Les domaines expirés rachètent-ils vraiment leur passé SEO ?
- 24:02 Discover n'a-t-il vraiment aucun critère d'éligibilité exploitable ?
- 26:29 Faut-il vraiment abandonner la version desktop de votre site avec le mobile-first indexing ?
- 27:11 Le responsive design est-il vraiment la seule solution viable pour unifier desktop et mobile ?
- 28:12 Faut-il vraiment s'inquiéter du PageRank interne sur les pages en noindex ?
- 29:45 Dupliquer un lien sur la même page améliore-t-il vraiment son poids SEO ?
- 33:57 Pourquoi Google désindexe-t-il vos articles de blog après une mise à jour ?
- 38:12 Pourquoi Google affiche-t-il parfois 5 résultats du même site en première page ?
- 39:45 Faut-il indexer les pages de recherche interne de votre site ?
- 45:01 Faut-il vraiment automatiser la génération de son sitemap XML ?
- 46:34 Les tests A/B de contenu peuvent-ils vraiment dégrader votre SEO sans que vous le sachiez ?
- 53:21 Google oublie-t-il vraiment vos erreurs SEO passées ?
- 57:04 Google classe-t-il vraiment les sites sans intervention humaine ?
Mueller asserts that EAT is not a technical factor to optimize directly, but rather a consequence of editorial quality. For user-generated content on sensitive topics (health, finance), transparency and disclaimers matter more than artificial EAT optimizations. SEO naturally derives from clear communication with the user, not from a checklist of criteria.
What you need to understand
Is EAT completely ignored by Google's algorithm?
No. Mueller does not say that EAT does not exist within Google's ecosystem. He clarifies that it is not a direct technical signal that you can optimize like you would optimize a title tag or loading speed.
EAT (Expertise, Authoritativeness, Trustworthiness) remains a concept used by Quality Raters to evaluate the quality of results. These evaluations feed into Google's machine learning, but there is no EAT score that a script calculates while crawling your page. You will never find an "EAT score: 7/10" in your Search Console reports.
Why does Mueller emphasize transparency and disclaimers?
Because in YMYL (Your Money Your Life) verticals, Google's primary concern is not to harm the user. A medical forum hosted on an established hospital site already has domain legitimacy. But if user-generated content mixes with validated editorial content without clear distinction, the user risks confusing patient opinions with medical recommendations.
Disclaimers and the clear separation of sources are signals of transparency that Google can detect through content patterns, even without fully understanding the semantic meaning. A well-labeled forum allows the algorithm to contextualize information and enables the user to make informed decisions.
What does "SEO will follow naturally" really mean?
This is a deliberately vague formulation from Mueller. In fact, it means that if you structure your content to serve the user first, secondary signals (session duration, bounce rates, engagement, shares) will mechanically improve.
Google observes these behaviors and adjusts the ranking accordingly. But be careful — this logic mainly works for sites that already have established domain authority. A new medical site without backlinks or history will not see its SEO "naturally follow" just because it has added disclaimers.
- EAT is not a direct technical factor — no calculable score or API metric
- Quality Raters evaluate EAT manually to train ranking algorithms
- Transparency about content sources (UGC vs validated editorial) helps Google contextualize
- Disclaimers and clear labels are detectable algorithmically through text patterns
- "SEO follows naturally" assumes pre-existing domain authority and strong user engagement
SEO Expert opinion
Is this statement consistent with what we observe on the ground?
Yes and no. Yes, because no SEO tool has ever managed to isolate a measurable "EAT factor" that directly correlates with ranking. Attempts to optimize EAT by adding author bios or bulk certifications have never produced reproducible ranking gains on a large scale.
No, because in YMYL sectors, we clearly observe that sites with strong editorial authority, quality backlinks from recognized institutions, and identifiable authors systematically dominate the SERPs against anonymous sites or aggregators. It is not a unique factor, but a converging bundle of signals that Google picks up.
[To verify]: Mueller does not specify whether these patterns are detected by NLP (semantic analysis of disclaimers, author entity recognition) or by behavioral proxies (CTR, dwell time). The boundary between "direct signal" and "indirect consequence" remains blurry.
In what cases does this rule not completely apply?
For a site without pre-existing domain authority, transparency alone will not be enough. If you launch a new medical forum tomorrow, even with impeccable disclaimers, you won't rank alongside WebMD or Mayo Clinic. Domain authority, institutional backlinks, and age remain non-negotiable prerequisites.
For transactional or generic informational queries ("best CRM 2023", "how to bake a cake"), EAT criteria weigh much less heavily. Google tolerates affiliate sites, aggregators, and personal blogs — as long as the content meets search intent and generates engagement.
Should we abandon all "EAT" optimization?
No. What should be abandoned is the idea that EAT is a technical checklist — adding an "Author: Dr. Dupont" at the bottom of the page and hoping for a boost. What works is building a consistent editorial architecture: authors with verifiable public profiles, cited sources, contextual disclaimers, clear separation between validated content and UGC.
In practical terms? If you have a health site with an integrated forum, isolate the forum on a subdomain or a clearly labeled section. Add banners saying, "The discussions below reflect the personal experiences of users and do not constitute medical advice." Sign your editorial articles with identifiable professionals with visible degrees.
Practical impact and recommendations
What should you actually do on a YMYL site with user-generated content?
First action: visually and structurally separate UGC from validated editorial content. Use borders, banners, distinct color codes. Google can detect these visual patterns through DOM rendering, and users should be able to distinguish at a glance.
Second action: implement contextual disclaimers at the top of each UGC section. Not a generic footer that no one reads — a visible alert before reading: "The opinions below are personal testimonies, consult a professional for a diagnosis." Use schema.org DiscussionForumPosting to mark up forum content.
What mistakes should you absolutely avoid?
Do not try to "game" EAT with fake author profiles or bogus certifications. Quality Raters are trained to spot these patterns, and once your site is flagged, the penalty can take a long time to lift. Better an anonymous transparent author than a fictitious "Dr. Martin".
Avoid also mixing professional advice and user testimonials in the same block of text. If a medical article cites testimonials, isolate them in clearly marked boxes. Google analyzes the semantic structure — a paragraph that starts with "According to Dr. X" and then switches to "Marie, 34, testifies" without transition creates algorithmic confusion.
How can you check if your implementation is effective?
Test with real users through qualitative A/B testing: can they distinguish validated content from forum content in 3 seconds? If yes, Google probably can too. Analyze your engagement metrics (session duration, pages per visit) by content type — a sharp drop on UGC pages may signal a trust issue.
Monitor your rankings on long-tail YMYL queries ("knee surgery forum testimonial" vs "knee surgery risks"). If you rank well on validated informational queries but disappear on forum queries, it indicates that Google is correctly separating your content — which is desirable.
- Visually and structurally separate (borders, banners, dedicated sections) UGC from editorial content
- Implement visible contextual disclaimers at the top of each forum/user review section
- Mark up UGC content with schema.org DiscussionForumPosting or UserComments
- Sign editorial content with identifiable authors who have verifiable public profiles
- Avoid absolutely fake expert profiles or unverifiable certifications
- Test readability and source distinction with real users (qualitative A/B tests)
❓ Frequently Asked Questions
EAT est-il encore pertinent en SEO si ce n'est pas un facteur de ranking direct ?
Les disclaimers sur le contenu user-generated suffisent-ils à protéger mon ranking ?
Dois-je signer tous mes articles par des auteurs identifiables pour ranker en YMYL ?
Peut-on mesurer l'impact d'une optimisation EAT sur le ranking ?
Un nouveau site médical peut-il ranker sans autorité de domaine préalable ?
🎥 From the same video 25
Other SEO insights extracted from this same Google Search Central video · duration 58 min · published on 01/05/2020
🎥 Watch the full video on YouTube →
💬 Comments (0)
Be the first to comment.