SEO is much more to a keyword than you think.
Search Engine Optimisation (SEO) content ranking criteria can be quick and dynamic. With numerous changes being made often, SEO algorithms are constantly evolving. That said, in order to keep your SEO well-optimised, you will need to change in the way you go about writing content.
While you will need to brush up on your SEO at least once a year, the following infographic explains few ways to go about it now and build the proper strategy as needed.
Infographic credit: Express Writers