subject: The Basics of SEO – Search Engine Optimization [print this page] Links are very important they are online recommendations and are great at creating online word of mouth. Both Keywords and Links are the building blocks of SEO. Once you know how to do it you can make a start and aim to be Number 1 in Google. SEO is great for putting you in front of your customers and at a time when they need you most! The great thing is IT'S FREE!.