Understand the Search Engine

To understand and analyze the suitable publisher for any organization, we have to rate the search engines according SEO and SEM. To what extent a search engine can put your information available for the user at right time and right direction.

Moreover, to analyze the data it will very much helpful to calculate the rank of any search engine according to its ROA and ROI.

Here is a link for technical functionality of the search engine:

http://www.infotoday.com/searcher/may01/liddy.htm

If any one conflicts with this thought please share. !!