Designing Web Usability with a Human-Centered Approach. CIS 421 usability.ppt. Agenda. Changes to schedule Usability Universal Design Movement -- in your textbook Technology usability Web Usability. Changes to Schedule.
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Average success rate for BOTH was 66%, up from 40% in 1990s
Self-reported USER SATISFACTION was 4.7 on a scale of 0 (low) to 7 (high). Not particularly surprising since their research shows that users tend to give generous scores on user satisfaction even when they have difficulty using a website
People find MORE USEFUL information inside the websitethan on the home page, but they often checked the home page to see what the site is about.
PDF Files for Online Reading – ok for manuals, but not for pages
Not Changing the Color of Visited Links
Non-Scannable Text Should use 8th grade reading level for general public.
Fixed Font Size
Page Titles With Low Search Engine Visibility
Anything That Looks Like an Advertisement –users have Banner blindness – if it looks like an ad, they ignore it
Violating design conventions – be consistent
Opening New Browser Windows
Not Answering Users' Questions – leaving off the price or total price, until you submit the form with your name on it.Nielsen’s Top Ten Mistakes in Web Designhttp://www.useit.com/alertbox/9605.html
Make it easy to understand
Use consistent capitalization & style
Avoid single-item categories & lists
Avoid exclamation points!
Beware of spelling in all uppercase – communicates anger
Limit font styles & other text formatting (size, colors,) so not distracting
Use high-contrast text & background colors or background image type is legible to your intended audienceNielsen: Web Content: Text