Keyword research is quite possibly the most important part of SEO.
You cannot begin to plan for a campaign unless you know which phrases you are targeting, and you cannot estimate costs and returns from SEO unless you first know who you’re competing against.
Keyword research is the practice of identifying which phrases are used on search engines when people are looking for information, and usually includes finding both the search volume and relative competitiveness of the terms.
Keyword research is a critical component for search engine optimization because when used correctly it provides a road map for both the design and execution of building websites and developing content.
Keywords are usually broken up and grouped based on the number of words within the query phrases. The more words in a keyword phrase usually the easier it is to rank for the term, since usually there is less relative competition.
The reason for all the “usually’s” is that this not absolute, as is the case with most things, there are exceptions…