This is sort of like asking, "What are the most compelling reasons for having a sign?" "Website" covers an awful lot of ground, and sites serve countless purpo

This is sort of like asking, "What are the most compelling reasons for having a sign?" "Website" covers an awful lot of ground, and sites serve countless purposes. I mean, there's zero compelling reason to have a Website for the sake of having a Website, and since you haven't said anything at all about what makes you even ask this there's no good answer.