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1 Pixel to the Left: !
Why Visual Design
Details Matter
Emily Rawitsch
@rawitsch #MadPlusUX
Strategy + Research + Design!
@rawitsch
Design
Strategy!
User
Research!
Information
Architecture!
Wireframes!
Interaction
Design!
Usability!
Brand
Consistency!
Visual
Design!
Copywriting! Prototyping!
Design
Evangelism!
UI
Guidelines!
Design
Strategy!
User
Research!
Information
Architecture!
Wireframes!
Interaction
Design!
Usability!
Brand
Consistency!
Visual
Design
Copywriting! Prototyping!
Design
Evangelism!
UI
Guidelines!
Can you spot the difference?
Once upon
a time…!
The characters and events
depicted in this story are
fictitious. Any similarity to "
actual persons, living or dead,
is purely coincidental.
Vince!
the visual designer
Debbie!
the developer
1 Pixel to the Left: Why Visual Design Details Matter
1 Pixel to the Left: Why Visual Design Details Matter
Before
 After
?
1 Pixel to the Left: Why Visual Design Details Matter
1 Pixel to the Left: Why Visual Design Details Matter
?
1 Pixel to the Left: Why Visual Design Details Matter
Wrong font!!!
Text should 
be #333333
Text should not be all caps
Where are the round corners?
Too small
Align left
Spacing does not match the comp
Align left
Alignment point
VS!
Why do visual design
details matter?!
How can designers and
developers work together
more effectively?!
Who cares if the
little design details
are a bit off?
Aesthetics have a
direct impact on
the user experience
and the success of
businesses.
“
Attractive things work !
"better. Pleasing things are "

easier to learn and"

produce a more "

harmonious result.”

DON NORMAN
Norman, D. A. (2002). Emotion and design: Attractive things work better. Interactions Magazine, ix (4), 36-42.
Negative Affect

Easy tasks feel difficult
Positive Affect 

Difficult tasks feel easy
1 Pixel to the Left: Why Visual Design Details Matter
50 milliseconds!
Lindgaard, Fernandes, Dudek, & Brown, 2006
1 Pixel to the Left: Why Visual Design Details Matter
1 Pixel to the Left: Why Visual Design Details Matter
1 Pixel to the Left: Why Visual Design Details Matter
The role of visual complexity and prototypicality regarding first impression of websites. Tuch, Alexandre ; Presslaber, Eva ; Stöcklin,
Markus ; Opwis, Klaus ; Bargas-Avila, Javier. International Journal of Human-Computer Studies, 2012, Vol.70(11), pp.794-811
Simple
(low complexity)
Familiar
(high prototypicality)
Create	
  Account	
   Create	
  Account	
  
Easier to Read
Lorem ipsum dolor sit amet, consesur adipiscing elit.
Praesent in porta feugiat non a sapien curabitur semper.
•  Nunc fermentum ligula lectus bibendum commodo.
•  In dium mauris eget arcu aliquet scelerisque.
•  Cras commodo risus dui, ut aliquet arcu pulvinar.
Harder to Read
Lorem ipsum dolor sit amet, consesur adipiscing elit. Praesent in porta feugiat
non a sapien. Curabitur semper mollis neque. Nunc fermentum ligula lectus
bibendum commodo. In dium mauris eget arcu aliquet scelerisque. Cras
commodo risus dui, ut aliquet arcu pulvinar eget. Curabitur eu laoreet nibh.
Gestalt Principles
$ $ $!
63 companies identified as effective users of design
outperformed the FTSE 100 index by 200%!
The Design Council, The Impact of Design on Stock Market Performance: An Analysis of UK Quoted Companies 1994-2003, 2004
How can designers
and developers
work together
more effectively?
VS!
Design!
Develop!
Test!
Analyze!
Gap
Communicate!
EARLY & OFTEN!
Communicate!
IN PERSON!
Photoshop
 HTML & CSS
Add Context!
EXPLAIN WHY!
≠! HTML !
+ CSS!
Empathize!
UNDERAND EACH OTHER’S LANGUAGE!
≠! “Like”!Design!
Empathize!
UNDERAND EACH OTHER’S LANGUAGE!
Design specs +
deliverables should
be easy to use.
Make it Easy!
REFINE THE PROCESS!
Layered Photoshop File
UI Style Guide
In-Context Annotations
Clickable Prototype
Co-Design (work together in person)
Use Actual HTML and CSS
Visual details
matter — when
they matter.
Stay Objective!
THINK BIG PICTURE!
Your Browser Stats!
Chrome Desktop! 22.4%!
Firefox Desktop! 22.2%!
Safari iPad! 14.9%!
IE Desktop! 14.0%!
Safari Desktop! 9.9%!
Site Analytics
Reality often
astonishes theory
and assumption
A-B Testing
Usability Testing
Prioritize the Priorities
1px!
Remember:
-  Details influence usability, first
impressions and perceptions
-  Experience should be easy for
users and developers
-  You can’t over-communicate
-  Data is your friend
1 Pixel to the Left: Why Visual Design Details Matter
user!
Thank you!!
@rawitsch #MadPlusUX

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1 Pixel to the Left: Why Visual Design Details Matter