Backlinks are essential building blocks of internet marketing for boosting website traffic, authority and ranking. Depending on their quality, backlinks can be easier or harder to get, cheaper or more expensive to buy, and worth using – or not. That’s the №1 thing you need to know before reading SEO techniques to rank your website higher, as it seems like today everyone and their dog will be trying to give you some advice on how to use backlinks to improve Google rankings of your blog.