The California digital library (CDL) is a project started in 1997 gathering materials from university libraries, campuses and institutions located in California. The website includes several collections, databases and archives containing records and items covering many disciplines and issues, as well as academic researches and publications from Californian Universities. CDL contains several services providing access to various sets of records (databases, statistics, e-books, articles images, etc.). Visitors can view a fair amount of records, including detailed information about single files content. They can download statistical surveys, full-text documents, multimedia files for different records even. Specific sets of records are not public and external affilitiation is not allowed, neither individual nor istitutional, for non-members of the academic community of California. The site architecture is quite homogeneous, resulting intuitive to the user, helped by effective navigational aid, mainly FAQs.