Search engine optimization is all about making a website visible to a user with reference to the right context. When a web user searches for key term on a specific search engine like Google, Yahoo!, MSN, Bing etc, the basic purpose behind this to get the required page as a target result instantly. Search Engine Optimization is the technique to optimize the ranking of your website in a particular search engine and make user attracted for right context. Every Search engine uses different techniques to rank a particular website and its content in order to target result representation. A person may get lower ranking for core article than a website which is only providing reference of his website. A SEO job is very critical in nature as he has to promote a right keyword keeping in mind all the legal aspects published and revised by various search engines. To resolve the problem, SEO needs to be specific to a particular search engine so that the optimization of keywords would actually work in the existing environment.
To understand the problem, we need to look into the term: Keyword Cloud. This word Keyword Cloud is referred from the nature. The clouds take water in the form of vapors from the ground and move with velocity of air in the sky. While taking vapors from the ground, the cloud gets heavier every time and the velocity of cloud decreases respectively. The density of cloud increases in this duration. At a particular moment, when the cloud density is at a peak level, the rain fall happens. In the same way, for a particular keyword, there may be description in lot of websites. The only difference, we can make in these is the density of keyword. The density of keyword is the number of appearance of keyword in the website contents. Generally we have seen text clouding in the advertising field which is in particularly increase the font of the text which is in high demand. The keyword cloud is a visual depiction of keywords used on a website. The main keyword should appear in the front with larger font. In another words, we can say keyword density is the percentage of occurrence of keyword in a specific website. It is important to have the efficient keyword density for the main keyword