A lot of hard work is needed for the maintenance and all the promotion so as to keep the website popular over the internet. One such way is to keep it search engine optimized, so that it appears on the search engine's first few results list for the website users to be able to come across your website. One of the most important way to achieve this is to include just the right keywords in the content of the page.
The specific keywords in the content of the web pages is very important for any website because all the major search engines over the net use this piece of information so as to categorize the site in terms of the theme, and also its particular relevance. If the contents of the webpage contain the perfect keyword density then the chances of getting higher search engine positions are much more.
There are keyword tools created which give new ideas and suggestions for the perfect keyword for any website to be popular over the internet through the search engines. The keyword suggestion tools includes those results which hold higher rankings for the basic and the most popular search engines over the internet, including the Google, Yahoo, and MSN.