An SEO expert plays a vital role in helping companies build their businesses and attract new customers through web traffic. An SEO specialist needs to be able to spot these trends, understand what they mean, and develop strategies that work within them. (In our case, we’re working on a massive guide to SEO that will be published soon. Stay tuned for that.) However, as the search engines change, an SEO can’t rely on the same old activities forever. Modern SEO is about so much more than keywords and meta tags. There are a lot of factors that an SEO specialist must deal with, and that means they need a wide range of skills. If we were to break it down to the basics, though, you could say that a specialist should understand.