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WEB STUDIOS
TM
Usability & Accessibility
It’s all about the user.
Tuesday, July 28, 2009
WEB STUDIOS
TM
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.
Tuesday, July 28, 2009
WEB STUDIOS
TM
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?
Tuesday, July 28, 2009
WEB STUDIOS
TM
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
Tuesday, July 28, 2009
WEB STUDIOS
TM
usability in real world
define goals
gather baseline
run test
iteration
best practices
follow-up
CEO “Sell more widgets!”
We know what is wrong
Where is the design?
We are behind, let’s go.
Are you paid to be wrong?
I’ll look at that report later.
SHOULD ACTUAL
Tuesday, July 28, 2009
WEB STUDIOS
TM
types of usability tests
Tuesday, July 28, 2009
WEB STUDIOS
TM
when to use which
Tuesday, July 28, 2009
WEB STUDIOS
TM
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?
Tuesday, July 28, 2009
WEB STUDIOS
TM
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?
Tuesday, July 28, 2009
WEB STUDIOS
TM
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
Tuesday, July 28, 2009
WEB STUDIOS
TM
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?
Tuesday, July 28, 2009
WEB STUDIOS
TM
usability tools
Analytics google analytics, A/B testing
eye tracking morae, camtasia
video recording silverback
Tuesday, July 28, 2009
WEB STUDIOS
TM
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
Tuesday, July 28, 2009
WEB STUDIOS
TM
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
Tuesday, July 28, 2009
WEB STUDIOS
TM
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
Tuesday, July 28, 2009
WEB STUDIOS
TM
Questions
Tuesday, July 28, 2009
