Read the white paper.
See the team behind the idea. (are they to young? What have they done before it? This will separate scams from real projects
Are these people real or they just get the time to create a nice web page?
The company is located in a real place or they just have a website .io with no responsability at all
See if the project have a future or use in the world outside cryptos.
If they do not reach the hard cap, will refound the money to the investors and how they are going to do it

This are the thing ypu shoul consider
Hope was helpfuly