The Internet has become a useful tool that is relatively easy to operate. With little effort, huge amounts of information can be found about specific health conditions or health in general. Views and concerns about health can be shared with literally millions of other people; spreading health information to people around the world is a simple process. Clearly however, there is a need to evaluate this information in order to ensure and improve its quality. There is also a need to empower readers to assess the reliability of such information. Sanja Kušec reports on guidelines designed to support Internet users in determining the reliability and quality of the health information on the Internet.