For some one to find your sfi website, it needs to be up there and that means that you should have advertised it either through PPC , free classifieds and other ways as explained in Gery's articles here;
http://www.sfimg.com/Training/Lessons/10 to learn more about search engines.
it has to be able to rank with search engines to be found by someone when they search on google.
alternatively you can place it in directories.