YMYL stands for Your Money or Your Life. It’s the label Google’s quality rater guidelines give to topics where a bad answer can genuinely hurt someone: their health, their finances, their safety, or their ability to participate in society. Pages on these topics get judged against a harsher standard than everything else, and if you publish in a YMYL area without knowing that, the rest of your SEO barely matters.
Where the definition comes from
The source is Google’s Search Quality Evaluator Guidelines, the manual given to the thousands of human raters who score real search results. Raters don’t set rankings directly. Their judgements benchmark and train the systems that do, which makes the guidelines the closest thing we have to Google writing down what it wants.
The guidelines frame YMYL by potential for harm. Ask who could be hurt by a page being wrong: the reader, other people affected by the reader’s decision, or society at large. The more direct and severe the possible harm, the more YMYL the topic.
Where the line actually sits
- Clearly YMYL: medical advice and symptoms, drugs, mental health, financial advice, investments, tax, insurance, legal questions (custody, immigration, wills), news on civic topics, voting information, and safety information like what to do in an emergency.
- Clearly outside it: song lyrics meaning, film reviews, most hobbies, sports trivia, recipes as recipes. A bad brownie hurts feelings at most.
- The grey zone: fitness routines, nutrition, DIY that touches wiring or gas, car maintenance with safety implications, parenting approaches. The guidelines call these judgement calls, and my rule is simple: if a lawyer, doctor or financial adviser would need insurance to say it, treat it as YMYL.
What being YMYL changes
Higher stakes raise the bar on EEAT, and trust anchors the whole thing. For a YMYL page, raters are told to look hard at who wrote it, what makes them qualified, whether the site is a trustworthy home for the topic, and whether the content agrees with expert consensus where consensus exists. A hobbyist can write a brilliant guide to fountain pens. A hobbyist giving dosage advice is a low-quality page whatever the prose is like.
The algorithmic version of this showed up unmistakably in August 2018, when the update the community named Medic hit health and finance sites far harder than anything else. That pattern, YMYL verticals moving more violently in core updates, has repeated often enough since that I treat it as established. The update history has the timeline.
Publishing YMYL content as a small site
It’s doable, and small sites do rank in YMYL spaces. The bar is provability:
- Put a real, named, findable human on every page, with credentials that match the claim being made.
- Cite primary sources: studies, regulators, official guidance. Then make sure the content agrees with them.
- Use expert review where the author’s credentials fall short, and name the reviewer.
- Stay inside what you can prove. A personal finance blogger can describe how ISAs work and their own experience; recommending a specific portfolio allocation is a different page with a different bar.
- Keep it current. Wrong-because-outdated is still wrong, and YMYL topics rot faster than most.
Sources
Google’s Search Quality Evaluator Guidelines (the YMYL sections) and creating helpful, reliable, people-first content. The Medic observation and the insurance rule of thumb are mine.