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What is YMYL?
YMYL (Your Money or Your Life) is a concept introduced by Google in its Search Quality Evaluator Guidelines to designate content whose accuracy can directly affect a user's well-being, safety, health, or finances. The main YMYL categories are: health and medicine (symptoms, treatments, medications), finance (investments, loans, taxes), law (legal advice, regulations), safety (hazard prevention), and civic information (elections, public policies).
Why E-E-A-T criteria are amplified on YMYL content
On YMYL content, Google applies E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) criteria far more demanding than elsewhere. The logic is simple: an error in an article about graphic design trends has little consequence. An error in an article about drug interactions can be dangerous. Google therefore expects YMYL content to be written or validated by identifiable and verifiable experts, published on sites whose reputation can be verified, and regularly updated to maintain accuracy.
What we observe at Vydera on YMYL sites
YMYL sites that struggle to rank despite good content almost systematically share the same problem: insufficient E-E-A-T signals. No identified author with credentials, no detailed About page, no backlinks from authoritative sector sources, no Person or MedicalOrganization structured data. Content quality alone isn't enough on these topics: the credibility of the source must be demonstrated, not just claimed.
How to optimize a YMYL site
- Identify and clearly display authors with their qualifications (doctor, lawyer, accountant...) on each piece of content.
- Create detailed author pages with biography, qualifications, publications, and professional networks.
- Implement appropriate structured data: Person, MedicalOrganization, LegalService depending on sector.
- Acquire backlinks from specialized publications: professional associations, institutions, sector media.
- Regularly update content with visible revision dates.
Sources and references
Go further
E-E-A-T evaluation and YMYL challenges are part of our content audits. Find our analyses on Vydera Lab or contact us to strengthen your site's credibility.
How do you know if your site is affected by YMYL?
Ask yourself: if incorrect information on my site is believed by a user, could it harm their health, safety, or finances? If yes, your site is probably YMYL. Clearly affected sectors: health, medicine, law, finance, insurance, real estate, children's education, safety. Less affected sectors: general e-commerce, entertainment, cooking, travel. When in doubt, applying high E-E-A-T standards can only help.
Can a YMYL site rank well without identified experts?
With difficulty in 2026. Google evaluates the credibility of the source, not just content quality, on YMYL topics. A medical article without an identified author with qualifications will be systematically rated lower than one signed by a doctor whose credentials are verifiable. Author expert identification is one of the highest-impact E-E-A-T levers on YMYL sites.
Do LLMs apply a YMYL-like logic?
Yes, a similar logic. LLMs are trained to be more cautious on sensitive topics: health, law, finance. They tend to favor institutional sources (WHO, government ministries, professional orders) on these topics, clarify their limitations ("consult a doctor"), and avoid content of uncertain authority. For YMYL sites, building strong authority signals is therefore doubly important: for Google and for AI citability.
Does YMYL apply to AI-generated content?
Yes, and even more strictly. Google has clearly stated that AI content on YMYL topics is subject to the same E-E-A-T criteria as human content. AI-generated medical content without validation by an identifiable expert will be penalized. On YMYL topics, expert human supervision of AI content is an obligation, not an option. It's not the production method being judged, it's the credibility and accuracy of the result.
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