Search Engine Optimization (SEO) has evolved a lot these last few years ever since the Panda, Penguin update and it has become extremely complex and difficult. But 2 thing that remain the same is relevancy and authority. This is what SEO is all about if you can achieve these 2 factors, then chances are you are on page 1 of Google for the relevance search queries.
The infographic aims to educate user with a simple explanation on the foundation of SEO and it’s related terminologies.
Infographic source: http://digitrio.com.sg/what-is-seo/