Top-10 design mistakes in web applications
According to Jakob Nielsen, these are the 10 most common usability violations found in web applications:
- Non-standard interface controls, such as home-grown scrollbars
- Inconsistency in the way things work, appear and are labelled across the app
- No providing proper affordances that give people visual clues about what they can do with an object (e.g. that they can drag-and-drop an object)
- Not giving proper feedback about what is happening
- Bad error messages that don’t tell what went wrong and how to fix it
- Asking for the same information twice
- Not providing defaults (e.g. in a list of radio buttons)
- Dumping users into the app without giving them an idea of how it works
- Not indicating how collected information will be used
- Offering system-centric features that reflect the system’s internal view rather than the users
And generous as Jakob is, he also has a bonus mistake: Reset buttons on web forms.
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