Believe it or Not. the Whole ICO stuff looks scandalous this days. New investors can easily fall into this trap if they fail to make proper investigation before investing into new ICOs. Can you imagine that rating sites today do contact ICO owners and ask for a certain amount of fee for a high grade and rating on their site.
If you double, please read this article. It is an Eye opener. what are your sugguestions as well.
https://medium.com/alethena/this-is-how-easy-it-is-to-buy-ico-ratings-an-investigation-13d07e987394
Yes, you can't trust rating sites, because they want to earn money as well.
So the only one is do your own research!
And i have a look on the Ico of Alethena, which will establisch an independent Ratingsite.