What is keyword research one might ask themselves after looking at a search engine optimization site. You will find the answer here. Keyword research is researching keywords utilized in search engines such as Google or Yahoo. They are used by potential customers to determine what are the most relevant keywords pertaining to a particular site. It is a vital step in any efficient SEO marketing campaign. Three factors define keyword research: the discovery, the ROI analysis, and the competitive analysis. The discovery is researching as many keywords for the website as possible. These keywords will then be marketed online for that site. The ROI analysis is basically finding the most valuable keywords; the ones that are widely searched and are competitive will be the most generic keywords, which do not always yield a high ROI. Finding keywords that accurately and exclusively describe a site yield the highest ROI. The competitive analysis is where the strength and resources of the competitor’s keywords are measured. There are other factors that need to be taken into consideration. These factors include how considerate the site is to optimization issues and how many inbound links the site has received. Additionally, the keyword does not necessarily have to be just one word. The keyword can be a phrase, which are basically the keywords with an adjective to combine them.