Abstract: A system and method are described that enable users to navigate on the web according to use's own keyword definition on web site, keyword extraction and processing from user's visiting website, user's selection on keyword categories, and mapping between E-mail address and URL. The user's own keyword definition on web site is user-driven keyword naming scheme is opposite) method of the keyword domain services which were service company-driven method. The user's selection on keyword categories provides users choice on keyword categories and group. The keyword extraction and processing from user's visiting web site provides keyword extraction from the page and arranges for related keywords in order to prepare for anticipated search and navigation from the user's current web site and keyword. The mapping system between E-mail and URL provides conversion of E-mail address into URL, in order to use as domain name.