Prominence is how close to the start of the area that the keyword appears. In general, a keyword that appears closer to the top of the page or area will be more relevant for search engines.However, sometimes it helps to have a keyword in the middle of an area, or even toward the end of the area. Prominence plays a critical role particularly in directory based engines such as Yahoo. Often having the keyword slightly more towards the beginning of the site description or site title will make a large difference in your ranking. Examples of prominence: 1.If a keyword appears at the beginning of an area, its prominence will be 100%. 2.If a keyword appears in the middle of an area, its prominence will be 50%. 3.If the keyword appears at the beginning of the area, then another repetition appears at the end of the area, the prominence would be 50%. 4.If the keyword appears at the end of the area, prominence would be 0%.
Keyword promience is important but i am not agree with this it will help in seo. i think it doesn,t help in seo