For an ICO to be reliable, you need to consider the following factors:
- ICO establishment team: you need to look up google information, search member name in linked, or google "fake" + ICO project name
- Topic about this ICO on Bitcointalk.org: find and read the content of high profile members on the bitcointalk debate about the project.
- Code quality - Githhub: Find the project's update count, start date and last update to evaluate the regular working level of the dev.