Usability Engineering VU Einheit 1-2 „Methoden des Usability Engineering“
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USABILITY ENGINEERINGThe 60 Second Battle: Keeping the Visitor
Prasanth Balan [email protected]
Usability
Usability is how easy an object is to use Usability is comprised of learnability,
memorability, efficiency, satisfaction and errors.
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.
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)
10 Deadly Mistakes in a Website Design
1. Slow Download Time2. Poor Choice of Background and Text Colors3. BLINKing evil!4. Frames5. Endlessly Scrolling Page6. This Site is Under Construction7. Background Sound8. Inconsistent Design/Layout9. Designing for a Specific Browser/Color
Setting/Screen Resolution10. Spelling and HTML Mistakes
Cases#1: Bad First Impression
Cases#1: Good First Impression
Cases#2: Worst Navigation
Cases#2: Good Navigation
Case #3: Search functionality
Case #4: Content Usability
Case #4: Content Usability
Case #5: Images to Support Content
Case #5: Images to Support Content
Case #6: Videos to Enhance Content
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
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
In-page analysis provided by Google Analytics
SEO and Usability
Identify Goals Identify Your Audience Checkout Your Competitors Usability Testing Titles / Heading Tags Keywords Landing Doorway Pages Links Structure
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
Questions?
Thanks…!
Share your feedback to:[email protected]
Source:Various authors on UsabilityGeek.comUseit.comWikipedia.com