There are many things to consider if you want to buy a good ICO, ico rating is not just enough. Some of the things you need to consider are as follows: The team hadling a project is also important as weather to invest in a project or not, does the team have idea on what they are doing, the team experience matters a lot. The roadmap is one of the thing to consider, the website, the project prototype is also important. All of this can be ised to rate ICO, though, you need to rate ico yourself to know whether to invest or not that waiting for any site to rate for you.