Andrea Trasatti

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Andrea Trasatti

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The Truth About Mobile Web Development

Standards

Future of Mobile London, 14 November 2007 Andrea Trasatti 2

• Internet made mobileContent and services are created to work on mobile devices

• Help mobile services to growEvery computer sold, 4 mobile devices are sold. More services should be created for this growing audience

• Help “mobile web” growthThe web has brought information to the masses, the same must be made possible for mobile devices

Growth

dotMobi Mission


• Best Practicesspecifies best practices for Web content when accessed from mobile devices

• mobileOKdefines machine tests based on the Best Practices to help identify Web content developed with mobile devices in mind

• Core Vocabularydefines a vocabulary about properties that are required for the development and adaptation of content for mobile devices

• APIdefines a common API to access information in a device database according to the Core Vocabulary

W3CMobile Web Initiative


W3C Recommendation describing 60 Best Practices, such as:

•Exploit device capabilities to provide an enhanced user experience•Take reasonable steps to work around deficient implementations•Carry out testing on actual devices as well as emulators•Provide consistent navigation mechanisms•Do not cause pop-ups or other windows to appear and do not change the current window without informing the user•Keep the number of externally linked resources to a minimum

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W3CBest Practices


• W3C Mobile Web Best Practices checker (Beta)

• T.A.W.

• ready.mobi

W3CmobileOK Basic Tests 1.0


W3CCore Vocabulary

Core properties to create or adapt a mobile web site

•Screen SizeWidth and height in pixel

•MarkupXHTML Basic 1.0, XHTML-MP, etc

•Image FormatsPNG, JPEG, GIF, etc

•Style SheetsCSS 1.0, WCSS 1.0, CSS 2.1


W3CDDR API

Standard API to access device descriptions

•Identify a device

•Get a property value

•Extended functionalities such as device groups


The truth about standards

• Creating a standard is a HARD job• Standards should provide direction, tools help

build applications• Standards should provide interoperability,

fragmentation is not good for anyone

ready.mobi, site.mobi, device database

Andrea Trasatti

Technology

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