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USABILITY GUIDELINES FOR ACCESSIBLE WEB DESIGN

Despite increasing international recognition of the threat posed by terrorists’ use of the Internet in recent years, there is currently no universal instrument specifically addressing this pervasive facet of terrorist activity. Moreover, there is limited specialized training available on the legal and practical aspects of the investigation and prosecution of terrorism cases involving the use of the Internet. The present publication complements the existing resources developed by UNODC in the areas of counter-terrorism, cybercrime and rule of law. It also addresses the importance of developing integrated, specialized knowledge to respond to the technical assistance needs of Member States in combating this continually evolving threat. UNODC is deeply grateful for. | Usability Guidelines for Accessible Web Design Based on Usability Studies with People Using Assistive Technology By Kara Pernice and Jakob Nielsen Additional research by Susan Farrell Sachi Mizobuchi Naoko Ishida UDIT Amy Stover Michael Yohay Elizabeth Franko Aimee Richardson October 2001 I 48105 WARM SPRINGS BLVD. FREMONT CA 94539-7498 USA I WWW.NNGROUP.COM Copyright 2001 Nielsen Norman Group All Rights Reserved. To get your own copy download from http www.nngroup.com reports Table of Contents Executive Summary.3 Changes Since 2001.9 Overview of This Research.10 Current State of Affairs.12 Assistive Technology Users Observed Behavior.19 Guidelines.35 Do Not Abandon the Good Design Rules You Already Know.40 Graphics and Multimedia.44 Pop-Up Windows Rollover Text New Windows and Cascading Menus.59 Links and Buttons.67 Page Organization.75 Intervening Pages.81 Forms and Fields.84 Presenting Text.94 Search.101 Shopping.108 Tables and Frames.112 Trust Strategy and Company Image.122 International United States and Japan.123 Participants in the Study General Information.126 Participants in the Quantitative Study.129 Participants in the Qualitative Study.135 Websites Studied.136 Test Tasks.137 Assistive Technology References and Pricing.139 About Disabilities and Assistive Technology Usage.141 Methodology. 144 Accessibility Audit Software.146 A Note about Government Efforts.147 Resources.148 About the Authors.148 Acknowledgements.150 This report contains references to audio .wav files. You can download them at ftp ftp.nngroup.com reports accessibility audiosamples.zip I 2001 NIELSEN NORMAN GROUP I WWW.NNGROUP.COM 2 Executive Summary The Internet opens up many opportunities for people with disabilities. Most fundamentally the Internet is liberating. For example people with visual impairments can read the daily newspaper the minute it is published rather than wait for a taped transcription. The participants in our study embrace the Web and most said that they would never .