Very accurately put. Optimization concentrates on the "organic" search results... concentrates on Google and then the rest... includes on the page and off the page elements... though mostly on the page.

Effective SEM starts with seo.

Keyword density is important because search engines use this information to categorize a site's theme, and to determine which terms the site is relevant to. The perfect keyword density will help achieve higher search engine positions. Keyword density needs to be balanced correctly (too low and you w...