Backlinks are an important and fairly difficult part of SEO. Excellent content posted on your site may result in other’s linking to your posts and articles. However, if the sites that are linking to yours aren’t considered to be very-high quality by Google, they may provide little in the way of a ranking boost. In many ways, a link to your site from these websites is more valuable than whatever they might pay for an article. A link from one of these sites carries an enormous amount of link juice – the amount of boost your site gets in search engine rankings. Additionally, many people consider being published on these types of sites as establishing you as an expert in your field.