Off page optimisation are the methods and processes associated with increasing the popularity of a website. This element is as important as on page optimisation as the balance between these two methods is the key success to a strong and sustainable SEO campaign.
The methods around building up popularity are focussed on building links in a one way fashion to your website. This includes linking form external websites to your websites home page and inner pages (Deep linking). There are a variety of methods to achieve this and they include directory submissions to a wide range of website directories, article syndication where you publish your informational content on other websites and link to your own and create bookmarks on social networking sites.