Search Engine Optimization (SEO) can be considered both art and science. Although there may be many different strategies and methodologies, certain SEO components lead to success and reaching certain objectives. The search algorithm is constantly changing, therefore the periodic table is updated as well.

Search Engine Land has published a Periodic Table of these components:

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 Search Engine Land Guide To SEO explains the factors included in our Periodic Table of SEO Factors in more depth, including tips from SEO experts.

The SEO Guide and Periodic Table by Search Engine Land initially was launched in 2011 and the information is updated regularly, as search algorithms are in a constant state of development and transition.