Standards

1. There should be explicit links on each page within a document or collection back to the home page for that document or collection.
    
2. All office or program home pages should link back to their "parent" directory.

Guidelines

1. Links to large files should explicitly note the file size.
    
2. Links to files in proprietary or unusual formats (e.g., Adobe Acrobat Portable Document Format, etc.) should be explicitly noted, along with instructions for using and/or downloading the appropriate helper application such as the Adobe Acrobat Reader.
    
3. Reference the HHS World Wide Web Applications and the Internet Best Practices and Guidelines, http://www.hhs.gov/progorg/oirm/bestguid.html for additional information.