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Handbook of Sustainable Design of Digital Services

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Ux/Ui    ODD#12     ODD#13    

Is a media management / use policy in place to reduce their impact, with criteria for media compression and formats ?

Recommendation  Essential

UI

B People

A Planet

A Prosperity

Difficulty

*

Priority

High

Récurrence

OnUpdate

Tests

Is an environmental quality checklist of the media used in the service used?

Precisions

The volume of data transferred increases the environmental footprint of the service. It is necessary to provide the necessary media to display the service in the appropriate compression in order to improve the service and increase its sobriety.

Use Case

Browser tools/consoles allow to check compliance w/ best practices (CHROME: extension greenIT : best practices)

Additional elements

Operational issues related to the project

Posts

Rule for assessing the level of compliance of the criterion

Media compressés / Supports media

Life cycle

Réalisation

6 other criteria related to the recommendation: Media engineering: reducing the digital service media as much as possible (images, animations, content, etc.)

Recommendation Essential

UI

Are the number of fonts and the variants of fonts called (weight, characters used in the project) limited ?

Recommendation

Technology

Can the functionality be offered without calling external scripts or libraries (JS, AJAX, ...) ?

Advice

Technology

Does the target functionality require calling an iFrame ?

Recommendation

UI

Can the native system features and components match as needed ?

Recommendation

UI

Are videos and animations only used when they add value to the user ?

Recommendation

UI

Are the images optimized for their functions ?