Google, MSN, Yahoo and other major search engines employ a variety of tracking and crawling technologies and methodologies to track, study and analyze key words, key phrases and key titles. Key words, phrases and titles are common key terms that are entered into a website browser by people who are searching the internet for information.
Search engines consistently and intricately track and trend the key terms searched by users on the internet. The search engines also continuously check the internet for new content, websites, web pages and articles.
As search engines locate the new information and key terms; they are studied, stacked, tracked and ranked against other sites to determine the ranking. Search engines will rank a site according to key word and key phrase density, the number of relevant back links as well as the daily new and repeat traffic ratings.