A Visual Representation of SEO Factors Using a Periodic Table
Search engine optimization — SEO — may seem like alchemy to the uninitiated. But there is a science to it. Search engines reward pages with the right combination of ranking factors or “signals.” SEO is about ensuring your content generates the right type of signals. The chart below summarizes the major SEO factors to focus on for search engine ranking success.
This is a great chart to look at to see the amount of work and research that goes into SEO.