One of the most important components of optimizing your web page is the appropriate use of keyword phrases. In the context of your SEO diet plan, think of keywords as the protein. Protein works as a building block for your tissues and cells. In your business, keywords are the building blocks for traffic to your site.1 SEO keywords range from single words to long-tail phrases. When they’re researched and optimized within your content, they’re what’s allowing the readers you’re targeting to find what they’re looking for out of their search query.