Usability guideline on the web services of the National Diet Library
The National Diet Library follows the "Usability guideline on the web services of the National Diet Library" as a basic policy to ensure that user interfaces and content on its website are accessible to people of all abilities and that the content is viewable, operable, and intelligible.
Contact for inquiries about Usability guideline
Standardization Section, Digital Information Distribution Division,
Digital Information Department, National Diet Library
E-mail: standardization