This document discusses the importance of usability in website design. It provides definitions of usability from experts like Jakob Nielsen and Steve Krug. Nielsen defines usability as a quality attribute that assesses how easy interfaces are to use, while Krug says usability means ensuring something works well for its intended purpose without frustration. The document also debunks myths that usability is expensive, hard to implement, or anti-design. Finally, it outlines the typical steps in usability practice: inquiry, evaluation, and testing techniques like card sorting.

1. How usabily makes
webses beer
Sofitel Luxembourg, September 
Régis Kuckaertz
Nvision

2. How usabili makes webses beer Sofitel Luxembourg, September 
Hello!

3. How usabili makes webses beer Sofitel Luxembourg, September 

4. How usabili makes webses beer Sofitel Luxembourg, September 
Usabily 101

5. How usabili makes webses beer Sofitel Luxembourg, September 
Photo credit: hp://www.useit.com/papers/javaring.html

6. How usabili makes webses beer Sofitel Luxembourg, September 
Jakob Nielsen writes
usabili is a quali
aribute that assesses how
easy user terfaces are to
use. e word “usabili”
also refers to methods for
provg ease-of-use
durg the design process
Photo credit: hp://www.useit.com/jakob/photos/

7. How usabili makes webses beer Sofitel Luxembourg, September 
accessibility

8. How usabili makes webses beer Sofitel Luxembourg, September 
utility

9. How usabili makes webses beer Sofitel Luxembourg, September 
Steve Krug writes
Usabili really just means
makg sure that somethg
works well: that a person of
average abili and
experience can use the thg
for s tended purpose
whout geg hopelessly
frustrated
Photo credit: hp://www.edustyle.net/awards/2009/judges.php

10. How usabili makes webses beer Sofitel Luxembourg, September 

11. How usabili makes webses beer Sofitel Luxembourg, September 

12. How usabili makes webses beer Sofitel Luxembourg, September 
Jared Spool writes
Users’ expeations of a
produ depend on the
maturi of s market. By
identig what stage your
produ is  now, you can
anticate some of the
pfalls that lie ahead
Photo credit: hp://www.flickr.com/photos/jesper/267786169/

13. 1
How usabili makes webses beer Sofitel Luxembourg, September 
Technology
Beg the first is
crucial

14. 1 2
How usabili makes webses beer Sofitel Luxembourg, September 
Technology Features
Beg the first is Havg more features
crucial than the competors

15. 1 2
How usabili makes webses beer Sofitel Luxembourg, September 
Technology Features
Beg the first is Havg more features
crucial than the competors
3
Experience
Beg easy to learn,
fast and powerful

16. 1 2
How usabili makes webses beer Sofitel Luxembourg, September 
Technology Features
Beg the first is Havg more features
crucial than the competors
3 4
Experience Integration
Beg easy to learn, Becomg part of a
fast and powerful bigger experience

17. 1 2
How usabili makes webses beer Sofitel Luxembourg, September 
Technology Features
Beg the first is Havg more features
crucial than the competors
3 4
Experience Integration
Beg easy to learn, Becomg part of a
fast and powerful bigger experience

18. How usabili makes webses beer Sofitel Luxembourg, September 

19. How usabili makes webses beer Sofitel Luxembourg, September 
Debunkg
the myths

20. How usabili makes webses beer Sofitel Luxembourg, September 
Usability is…
expensive

21. How usabili makes webses beer Sofitel Luxembourg, September 
Usability is…
hard

22. How usabili makes webses beer Sofitel Luxembourg, September 
Usability is…
anti-design

23. How usabili makes webses beer Sofitel Luxembourg, September 
Jakob Nielsen writes
All usabili does is to make
ease-of-use explic so that
you can account for  
your design. You can pay
aention to this data or
ignore ; the real world
remas the same
regardless
Photo credit: hp://www.useit.com/jakob/photos/

24. How usabili makes webses beer Sofitel Luxembourg, September 
Usabily 
praice

25. How usabili makes webses beer Sofitel Luxembourg, September 
1
Inquiry

26. How usabili makes webses beer Sofitel Luxembourg, September 
hp://www.nytimes.com/2008/06/30/business/30milk.html

27. How usabili makes webses beer Sofitel Luxembourg, September 
hp://www.nytimes.com/2008/06/30/business/30milk.html

28. How usabili makes webses beer Sofitel Luxembourg, September 

29. How usabili makes webses beer Sofitel Luxembourg, September 
1
2
Inquiry
Evaluation

30. How usabili makes webses beer Sofitel Luxembourg, September 

31. How usabili makes webses beer Sofitel Luxembourg, September 

32. How usabili makes webses beer Sofitel Luxembourg, September 

33. How usabili makes webses beer Sofitel Luxembourg, September 

34. How usabili makes webses beer Sofitel Luxembourg, September 
1
2
Inquiry
Evaluation
3
Testing

35. How usabili makes webses beer Sofitel Luxembourg, September 
Card sorting
for the new
myenergy.lu

36. How usabili makes webses beer Sofitel Luxembourg, September 
hp://drupal.markboultondesign.com

37. How usabili makes webses beer Sofitel Luxembourg, September 

38. How usabili makes webses beer Sofitel Luxembourg, September 

39. Your turn!
Of course, you ould read our blog:
hp://nvision.lu/blog/all