International standard harmonization may be achieved by the following points:
- cope with different technology levels among countries (User agent problems)
- cope with language oriented problems
- cope with poor social understanding of Web accessibility
- should be developed under the Framework of ISO/IEC Guide 71
- Scope: older persons as well as persons with disabilities
- Usability and accessibility
- standalized process of guideline development
- pay attention to process of Web: plan, design, development, production, evaluation, operation, and maintenance
