is an zip package with two php scripts. one is for generating an xml sitemap for the google sitemap program, the second one builds an sitemap in text file format for submission to yahoo. both scripts can be setup to exclude certain folders and only include website pages with wanted file extensions like for example html, htm ... to your sitemap. both generators are not limited to a number of website pages. you will find some help on how to setup the scripts inside the scripts itself. to submit your sitemap to yahoo go to following url http://search.yahoo.com/info/submit.html ( click the Link " Submit Your Site for Free: " -> you will need an free yahoo account to submit your sitemap ), for google it is following one https://www.google.com/webmasters/sitemaps/docs/en/about.html .