First Search
Use 
Easy to understand and to navigate, FirstSearch offers an overall very positive experience for new users and experts alike. Only paying subscribers, though, can search in its many databases and resources.
Searchability 
A powerful search engine allows for multiple keys and advanced search options
Downloading
Only basic saving and printing options (tables, small posters, bookmarks) are available to non-paying users
Navigational Aids
A tutorial brochure and other features - such as an easy to navigate tabbed interface - make the site's navigation easy and smooth
User Friendliness
A simple but sophisticated design guarantees a high level of user-friendliness throughout the site