What is Search Engine Optimization (SEO) ?

Search Engine Optimisation, or SEO, is a complex web service and internet marketing technique aimed at increasing the organic, left-side ranking of a website in search engines such as Google, Yahoo, and Bing. (Copyright SEO Web Systems)

Search Engine Optimization can be broken down into two main subsections, Internal SEO and External SEO. Internal Search Engine Optimization, also known as On-site SEO, deals with optimizing factors within the site architecture of a website in order to rank highest in search engines for certain keywords.  External Search Engine Optimization deals with optimizing factors outside of the site architecture of a website  in order to rank better in search engines for certain keywords.