I found that we got the most advertising and followers attending conventions. I have no idea if they have any where you are. We had a sign up email sheet and sold a preview comic book (about 12 pages) through donations (donate what you can and take one). This work very well for us. It's slowed way down since then.
Our other way to get viewers is through reddit. Specifically /r/worldbuilding since the writer is quite active on the subreddit