After launching an ICO project, the regulators will typically post information about the project on this forum. Some other sites also provide information on ICO projects such as Coinschedule, Icotracker, which you can refer to. To detect an ICO is good or bad you need to learn and analyze it thoroughly. Learn about the development team, if they are experienced, technical level and highly trusted, that would be better. A clear roadmap with specific objectives will also be needed. Another characteristic is that the project get the trust from many experienced people. This is just my opinion