Doing own research and join their community group is the best way to analyze ICO.
You can see the investors inside their community rather than rely your invest on seeing ICO rating on websites.
There are so many ico rating websites which contains thousand ratings of different ICO, it's helped but not a lot
sometimes we have to re-examine the ICO that has a good rating on a site because in the system it is not explained how the rating can be obtained because if there are results in the form of rating then there is a way to determine it but unfortunately the site is not found the right