A Google document, Search Quality Raters 4.2 has just been leaked in a private SEO community. The 137-page document mentions a new emphasis for quality raters called the “Your Money or Your Life” concept or YMYL for short.
The quality raters are supposed to hold webpages that affect your money, such as financial sites or shopping sites that take credit card information, to a higher standard. Likewise, webpages that have an impact on your life, such as medical or safety, will also be held to a higher standard.
Some of these standards include the expertise and authority of the writer. We design is also held to a higher standard than say for humor, entertainment or gossip sites.
Here are more details about the Google YMYL ratings.
http://searchengineland.com/quality-raters-handbook-your-money-or-your-life-177663
