Simply put, SEO (Search engine optimization) refers to a set of rules for optimizing your website to achieve higher rankings in search engines and one of the key tools in your Digital Marketing arsenal, beside social media promotion, PPC or content marketing. SEO helps you improve your website so that it will appear closer to the top positions in search engines. It is also a great tool for improving the quality of your web site, as it makes it more user-friendly, faster and easier to navigate. Considering the level of competitiveness in today’s market, SEO has become a ‘must-have’ inventory in digital marketing strategy.