2. Usability
Usability is how easy an object is to use
Usability is comprised of
learnability, memorability, efficiency, satisfactio
n and errors.
3. What?
Usability engineering is a field that is
concerned generally with human-computer
interaction and specifically with making
human-computer interfaces that have high
usability or user friendliness.
4. Why?
More visitors = More money
The first minute of a visit to your website is the
most important
User Pattern:
The first 30 or so seconds (hopefully less than
that) after typing in your URL or clicking on a
link, the visitor waits for your site to download
Next 30 seconds, the user will look around the
home page and look out for the information(if they
are looking for)
5. 10 Deadly Mistakes in a Website
Design
1. Slow Download Time
2. Poor Choice of Background and Text Colors
3. BLINKing evil!
4. Frames
5. Endlessly Scrolling Page
6. This Site is Under Construction
7. Background Sound
8. Inconsistent Design/Layout
9. Designing for a Specific Browser/Color
Setting/Screen Resolution
10. Spelling and HTML Mistakes
16. Case #7: Fast Loading Web
Pages
Clean and fast loading page will attract user
User hates waiting time
Use of multiple domains, CDNs should be
encouraged
Compress CSS, Javascript!
Use tools like Yslow!, Google PageSpeed etc
to analyze and optimize the content
Use proper tags
17.
18. Heatmaps from user eyetracking studies of three websites. The areas where users looked the most are colored red; the
yellow areas indicate fewer views, followed by the least-viewed blue areas. Gray areas didn't attract any fixations.
Source: useit.com
20. SEO and Usability
Identify Goals
Identify Your Audience
Checkout Your Competitors
Usability Testing
Titles / Heading Tags
Keywords
Landing Doorway Pages
Links
Structure
21. Usability Testing
Usability Testing is a technique used to
evaluate a product by testing is on users
Types:
Hallway Testing
Remote Usability Testing
Expert Review
Questionnaires and Interviews
Do-it-Yourself Walkthrough