This CSA website, containing PAIS databases and lists, is well organized and the general navigation is helped by a good sitemap and a simple outline. Non-expert users can benefit from ad hoc tutorials available online
The PAIS webpages can only be browsed through categories, with an advanced multisearch system and the chance to customize the search system interface
Search results (abstracts and metainfos on the records) can be downloaded in html format. For other document, the downloading policy relies on the document type and source
This CSA website provides an indexed and searchable sitemap. Very good tutorials for quick and advanced search are also available
In general, a well structured and easy-to-understand website, with good helping tools for non-experts