SEO’s say so and so keywords are bad to rank or so and so keywords are easy to top the ranking. The reason is arguable the competition for that particular keyword.General Observations are searches for particular query (keyword) are increasing but occurances are doubled every two months.Internet population is increasing per day and this reflects the search in who is searching what. Competition is the decisive factor while considering your target area/reach. Also the number of searches for that particular keyword need to be considered.Here is where KEI comes into play.
Keyword Effectiveness Index (KEI) in Keyword Research and analysis,stands for the ration of total search terms and phrases to respective occurances. Its a formula which gives values in units. Tools like Keyword Discovery, WordTracker are handy to get
the values per keyword/phrase.
