If you want to get advantage of SEO in order to promote your site, you should consider using the article directories. At the article directory sites, you can write an article about your website, and you can insert a hyperlink so you can have strong backlinks. There are hundreds of article websites out there, and thanks to the directory ready, you can find every article submission site very easily. The only thing you have to do, is to enter their site and browse the list with the available directories. You can find also the page rank of each directory, so you can know the PR of the backlink you are going to have. In conclusion, having lots of articles with the link of your site, can boost your page rank in no time.