What do you lose?

Tags: DesignMobile web
July 25, 2005 by Barbara

What do you lose when you try to make your mobile web site the same as your desktop web site? Lots.

Let's assume that you apply as much diligence as possible in designing your site. You consider that the mobile site will have slightly different needs than the "regular" web site. You use a tool like Oracle's Application Server Wireless or MobileAware. You know that your mobile users will not have a keyboard, so you design your navigation and search to minimize the need for text entry.

The problem lies with the core assumption that the mobile web site is a subset of the desktop web site. It oughtn't be if you are really targeting your mobile users. This assumption is pervasive in the internet world - after all, technologies such as Javascript and Flash lag in the mobile space.

In some key ways, desktop capabilities are a subset of mobile capabilities. Consider the following features that are completely or partially lost when designing a desktop site:

Mobile FeatureUseDesktop EquivalentExample
SMSUsed when the users identification needs to be confirmed or when the user needs persistent information on the deviceEmail (not appropriate for many mobile devices)Sites that send URLs to phones so the user does not need to type; sites that send turn-by-turn directions to the phone, applications that are implemented with text alone
LocationHighly localized informationIP address (gives partial and inaccurate approximation)Tracking my child's whereabouts
Voice channelSwitch to voice browsing or voice input when usefulnone reliableName that tune (Shazam) (SMS application)
Usually presentCommunicate with the user at any time, as the device is usually on and with the userCertain market segments are at their computers almost full-timeAlerts (traffic, weather, stock, soccer practice cancelled)
CameraUse visual input and server-based image recognition (or just post pictures)Uploading pictures from a separate cameraPaperclick takes a picture of a barcode and routes to an appropriate web page


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