There are many ways to drive traffic to a site but basically the two most important are SEO (Search Engine Optimization) and SEM (Search Engine Marketing). While there are some similarities between the two – i.e. they both revolve around keywords, they are fundamentally different.
In order to learn how to use them successfully, here are some tips about when it is best to use free SEO and when SEM is the better choice. However, before we move to the tips themselves, it is more than necessary to clarify first what we include on the free SEO list and what goes in the SEM category.