Usability and mobile devices

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Usability and Mobile Devices

Usability and Mobile Devices

Prepared by:Mohammed Fahel21012195

Mobile Usability

Mobile applications are important for providing users with an alternate means of accessing your web page, as well as keeping connected anywhere and at any time.

Impact of Low Resolution

recommendations for mobile interfaces:

Minimize the amount of scrolling required to find information

Include more search options

Impact of Download Speed

implementing a tactile feedback mechanism to notify users if the task is expected to take more than four seconds. The feedback would allow users to direct their attention back to the environment rather frequently checking the screen status. This should reduce the amount of needed gazes and increase user safety.Impact of Limited Screen Size

Hortons changes include:Separate HTML mark-up language from content information using CSSUse a consistent, uncluttered page designLimit the amount of text used for non-semantic purposesArrange information in an inverted pyramid styles (from most to least important)

Screen Readers for Mobile DevicesThe software converts normal Web pages into a mobile friendly format. Borodin, et al (2007) described software (CMo) that analyzes the semantic content of each requested page and displays it in order of predicted importance to the user question.www.

In 2011 -500 million smartphoneswere sold worldwide; By 2015 number of smartphones to be sold is to1 billion;By 2015 Smartphones and tablet will increase mobileweb traffic by x 26; By 2103 more users will likely connect to the Internet via mobile devices than desktop PCs; Morethan60% of mobile Internetusers in the U.S. get their content through a mobile-browser6RSS FeedsGarofalakis and Stefanis (2007) described a system that takes advantage of the existing formatting of content into RSS feeds. The authors used an algorithm that takes content formatted as RSS and adapts it to the mobile screen.Garofalakis and Stefanis asked participants to locate a Web news article within three minutes and compared their performance to the existing mobile browser. Results showed improved success rates on the search task with the new system as well as positive useful ratings by participants.

Mobile Usability Update

three categories of mobile phones:Feature phones: primitive handsets with tiny screens and very limited keypads that are suited mainly for dialing phone numbers.Smartphones: phones with midsized screens and full AZ keypads.Touch phones: devices with touch-sensitive screens that cover almost the entire front of the phone.

Mobile User Experience Improving SlowlyMobilesite success rate:64%Fullsite success rate:58%

user testingdesign a separate mobile sitehorizontal swipinglinks from the full site to the mobile site

Apps Beat SitesWe measured a success rate of76% when people used mobile apps, which is much higher than the64%recorded for mobile-specific websites.

The fat-finger syndrome will be with us for years to come.limit the number of features

Thank you