Good day, about ico rating/listing sites, are they legit? do they evaluate truthfully? do they really have have experts? or they rate an ICO depending on their payment to them?

The only coin or ico's i believe are those who are already listed on the coinmarketcap site because in this way i can see the history of coins i am interested to invest if there's an improvement or none, to determine as well if i will earn profit or not.