Usability engineering Usability issues in mobile web
Usability Issues in mobile web
Introduction There were 40.04 million users accessing the mobile Internet at least once a month and number increased by 33% over a period of year. As the prevalence of PDA and other smart devices with Internet connectivity increase, so does the need for attention to the usability of these devices.
Usability is invisibleIf something is going well, you don’t noticeitIf the temperature in a room iscomfortable, no one complain
Problems Mobile devices present several unique problems in addition to the standard usability issues that challenge Web designers. Issues associated with mobile devices are a function of the devices Small Size low resolution screens
limited input option slow computer hardware slow or sometimes unreliable connectivity Most sites are designed for full scale PCsor laptops and they do not take the mobileuser into account.
Impact of Low Resolution The high resolution screens were spend less time scrolling then there low resolution. Mobile users spend more time attempting to locate information rather than simply browsing .
Solutions Minimize the amount of scrolling required to find information Include more search options
Impact of Limited Screen Size One of the most salient usability issues for the mobile Web is the limited screen size. There are no standard screen sizes, or display parameters Mobile users lack the ability to scan an entire page to locate information.
Solutions Separate HTML mark-up language Limit the amount of text used Arrange information (from most to least important)
Impact of KEYPAD Text input is difficult on a mobile phone considering the user relies on a set of numeric keys when writing.
Solutions Signing in – A user should be automatically signed in when possible. URLs – Should be fairly short. Search criteria – While entering search criteria, the system should support common abbreviations as far as possible.
Numeric keys –The natural way ofinteraction with a phone is numeric sofields should be numeric if they can anduse of the keypad when navigating througha particularly long page should besupported.
Conclusion The mobile Web poses several unique challenges to usability researchers and designers. These challenges are compounded by the mobile Web environment being only a part of the Web universe. What may be most needed in mobile/Web usability is a standardization of the usability process so comparisons can be easily made between devices and systems.