Usability engineering

USABILITY ENGINEERINGThe 60 Second Battle: Keeping the Visitor

Prasanth Balan Pillaiprasanthb@live.in

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:prasanthb@live.in

Source:Various authors on UsabilityGeek.comUseit.comWikipedia.com