“Dear friends, do not believe every spirit, but test the spirits, to see whether they are of God, because many false prophets have gone out into the world.” (1 John 4:1)
It is easy to come up with an attractive and deceptive website. Does that church body require Christians to live according to the Scriptures, even if following Jesus is unpopular in our evil age? In order to answer this question, one must study the Word of God, of course.
This is not very difficult to do. Do they strive to keep their lives square with humanly difficult biblical statements on Christian morality, or is it just a feelgood mush?