Guide to Keyword Density Introduction - on this page we will explain the importance of analysing keyword density, what keyword density analyzer tools are available, and what density analysis is important in the process of search engine optimisation.   Optimisation HTML elements - the principle of keyword density also applies to your metatitle where ideally your key phrase should and be the first of element of the seven to ten words in the metatitle. You can also apply your primary key phrase to images, filenames and internal HREF links on the page. The use of key phrases in your image's is highly relevant for impaired vision users who may rely computer created voice to read and navigate the page. Some users may have a higher security settings in their browser which you may have the effect of turning off pictures altogether and so the use of a alternative text <alt tag> is perfectly justified. However, there is debate as to the affective this of using your key phrase in the HTML elements a web page that do not directly enrich the user experience. For instance, the use in the Header (H1) tags is an element that is not really benefit of the user and could be viewed as over optimisation in the algorithm of a search engine.                                                                       back to top