Is accessibility conformance an elusive property? A study of validity and reliability of WCAG 2.0
ACM Transactions on Accessible Computing (TACCESS)
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The objective of this article is to describe how and what Japan has carried out standard harmonization, both internationally with WCAG 2.0 and nationally in Japan, and achievement efforts of Web accessibility based on the harmonized national Web content accessibility standard, JIS X 8341-3: 2010. In this article, I firstly explain the importance of Web accessibility for the disabled and the aged, and show national standard series of JIS X 8341 "Guidelines for older persons and persons with disabilities -- Information and communications equipment, software and services." Then, the development and revision of JIS X 8341-3 is explained from a viewpoint of harmonization effort with WCAG 2.0. Thirdly, Japanese activities to improve Web accessibility based on JIS X 8341-3: 2010 are explained in detail. In conclusion, Japan has a harmonized national industrial standard of Web content accessibility but there are many things to tackle to improve Web accessibility.