1. Usability &
Accessibility
It’s all about the user.
TM
WEB STUDIOS
Tuesday, July 28, 2009

2. What is usability?
layman making something easy-to-use
CEOs applied common sense
wiki the ease with which people can employ
a particular tool or other human-made
object in order to achieve a particular goal
researchers a “quality attribute” that assesses
the efficiency of an interface
everyone else making something easy, fast,
friendly, and attractive for people that use it.
TM
WEB STUDIOS
Tuesday, July 28, 2009

3. Parts of usability
learnability how easy to complete first time?
efficiency how easy to complete next time?
memorability how easy to do in the future?
errors how easily can I recover?
satisfaction how pleasant to use?
TM
WEB STUDIOS
Tuesday, July 28, 2009

4. benefits of usability
competitive advantage be different!
good karma happy visitor, happy customer!
efficiency get more done!
ROI make more money!
conversion rates, traffic numbers, user
performance, target feature usage
TM
WEB STUDIOS
Tuesday, July 28, 2009

5. usability in real world
SHOULD ACTUAL
define goals CEO “Sell more widgets!”
gather baseline We know what is wrong
run test Where is the design?
iteration We are behind, let’s go.
best practices Are you paid to be wrong?
follow-up I’ll look at that report later.
TM
WEB STUDIOS
Tuesday, July 28, 2009

6. types of usability tests
TM
WEB STUDIOS
Tuesday, July 28, 2009

7. when to use which
TM
WEB STUDIOS
Tuesday, July 28, 2009

8. quick & dirty usability
whose site is this (credibility)?
what are my options?
where am I in the site?
when you have 10 seconds
why should I stay?
how do I get more help?
TM
WEB STUDIOS
Tuesday, July 28, 2009

9. billboard usability
create clear hierarchy BIG / medium / sm
use conventions shopping carts
beak up page group related together
keep quiet avoid clutter
make clickable where do I interact with?
TM
WEB STUDIOS
Tuesday, July 28, 2009

10. how to do usability
# of users 0 gives insight, 1 infinitely more.
recruiting someone that uses web
where to test room + computer
whom to test you!
cost your time + couple hundred
report lunch discussion
TM
WEB STUDIOS
Tuesday, July 28, 2009

11. measuring usability
success rate did they accomplish task?
time task requires did they do it faster?
error rate did the get lost? find way back?
satisfaction how pleasant to use?
TM
WEB STUDIOS
Tuesday, July 28, 2009

12. usability tools
Analytics google analytics, A/B testing
eye tracking morae, camtasia
video recording silverback
TM
WEB STUDIOS
Tuesday, July 28, 2009

13. what is accessibility?
layman making something accessible
CEOs let’s not worry about it
wiki general term to describe the degree to
which a product is accessible by as many
people as possible
everyone else enabling your product to be
more usable by more people
TM
WEB STUDIOS
Tuesday, July 28, 2009

14. quick & dirty
accessibility
graphics use of alt tags to describe images
forms make readable (labels), error color
links explain link destination, avoid images
keyboard everything accessible by input
pages avoid splash or pop-ups
multimedia we wary of javascript and flash
TM
WEB STUDIOS
Tuesday, July 28, 2009

15. usability
resources
gurus jakob nielson, bruce tognazzini, alan
cooper
books
“don’t make me think” by s. krug
“design of everyday things” by d. norman
websites
useit.com
sensible.com TM
WEB STUDIOS
Tuesday, July 28, 2009

16. Questions
TM
WEB STUDIOS
Tuesday, July 28, 2009