Universal usability refers to designing information and communication technologies that are usable by all citizens. It aims to accommodate the widest range of users across technical, organizational, social, physical, and cultural environments. The concept was proposed by Professor Ben Shneiderman to ensure usability for people of all abilities. Key challenges include supporting diverse hardware, software, networks, and individual user differences. Principles of universal usability include designing simply, building on web standards, and favoring HTML. Usability is measured by how easy systems are to learn, how efficiently tasks can be performed, flexibility for all skill levels, user satisfaction, and engagement. Developers aim for universal usability to reach broad audiences with their e-commerce, e-

1. Presented by
AFNAN C

2. What is Universal usability
???
 Universal usability refers to the design of
information and communications
products and services that are usable
for every citizen
 Enabling all citizens to succeed in using
communication and information
technology in their tasks

3. Abstract
 Universal usability can be defined as the
degree to which a software product is
usable while accommodating the widest
possible range of user accessing to the
application from various technical,
organizational, social, physical, and
cultural environment

4. Origin
 This concept has been recommended
by Professor Ben Shneiderman, a
computer scientist at the Human-
Computer Interaction Lab at the
University of Maryland, College Park
 universal usability is closely related to
the concepts of universal design and
design for all

5. Challenges
 Supporting a broad range of hardware,
software, and network access
 Accommodating individual differences
among users, such as age, gender,
disabilities, literacy, culture, income, and
so forth
 Bridging the knowledge gap between
what users know and what they need to
know about a specific system

6. Principles
 Design simply: Design simple sites,
emphasizing important elements and using
simple structures and clean, standards-based
mark-up
 Build well: Take full advantage of these
inherent properties, such as fall-backs,
flexibility, and user control, to construct
universally usable Web sites
 Favour HTML over other formats: HTML is
the best format for universal usability

7. Components of usability
 Learnability: Ease of learning the system
 Throughput: Speed of task performance
 Flexibility: Suitability for intended user
expertise
 Attitude: User subjective satisfaction
with system

8. 5 E’s
 Easy to learn
 Efficient
 Error tolerant
 Effective
 Engaging

9. Conclusion
 Developers of e-commerce, e-learning,
e-healthcare, and e-government
applications are well aware that they
must design software and websites that
are universally accessible
 To reach broad audience, they requires
reliable, comprehensive, and useful
design that serves the needs of
broadest possible set of users

10. Remember !!!
 Usability is about designing products to
be effective, efficient, and satisfying
 It includes user experience design
 It may include general aspects that
impact everyone and do not
disproportionally impact people with
disabilities