What is creating proposals?
Creating a proposal is the first step in the new site creation process.
When should I create a proposal?
If your area of expertise doesn't already have a Stack Exchange site or an existing proposal on Area 51, propose one! Bear in mind that, in general, if a site makes sense as part of a bigger site, it's better to have one big site than a bunch of little niche sites.
What happens after create a proposal?
The creation of Stack Exchange sites is a democratic, community-driven process. That does not mean the majority of Area 51 users have to love your site idea. It simply means you have to recruit a community of users large enough so that questions get good answers quickly. Reach out to other experts to build support for your site–bloggers, enthusiasts, and support groups can all benefit from a world-class, canonical collection of expert answers to the hardest questions.