Xtreeme SiteXpert - Version 3.0 Create a professional site map within a few minutes. All you need to do is pick a base URL and let the program create site map layout for you. You may also crate layout based on directory structure. SiteXpert offers seven different and totally customizable HTML/DHTML site map styles (including portal interface, Explorer-like tree, menu, index page). Embed a site map into your existing web page and build a site map with or without frames.