Do you have a website, an e-commerce site or a blog and want to boost its visibility on the Web? Then you need to implement a sustainable SEO strategy based on the 3 main levers of natural referencing: technique, content and netlinking. This last lever is the most powerful of all because it really forges the popularity of a domain name. It is the link between all the optimisations that you carry out on-site. While it is the most powerful, it is also the most risky. In terms of netlinking, there is a before and after 2012! It was in fact in 2012 that the Google Penguin filter filter, which is responsible for monitoring artificial backlinks. From now on, links created artificially by advertisers and SEOs are closely scrutinised by the robots and can lead to a severe algorithmic penalty on the entire domain. This is why the implementation of a netlinking strategy should be entrusted to a netlinking agency, which will be able to evaluate your existing link profile and find different opportunities for relevant and safe backlinks.