There are so many things you to follow before you invest in an ico project. And if you are more competent on the project then you can invest. First we need to have look at their website and see whether it is a proper one but some scam projects also have a good looking websites. Then you can get an idea about the development and advisory teams. Check whether these people had engaged in developing previous good icos. Then read their whitepaper which shows you about their aims and roadmap of the project.