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Handbook of Sustainable Design of Digital Services

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Contents    ODD#12     ODD#13    

Is the animated content on the visible part of the screen (no animation triggered under the active part of the screen) ?

Recommendation 

Animated content

A People

B Planet

B Prosperity

Difficulty

**

Priority

High

Récurrence

OnUpdate

Tests

How do you block broadcasts for content outside the visible area?

Precisions

The presentation of a service is rarely contained on the screen surface and scrolling or pagination is necessary. The animations requested by the user can be outside the visible area. In order to reduce the consumption of unnecessary resources, all animations not directly visible must be stopped.

Use Case

Navigation

RGAA Criterion 4.10 CF opquast 119 the videos are triggered by the user CF opquast 120 the sounds are triggered by the user CF Opquast 122 The running of the animations does not block navigation or access to content.

Additional elements

Operational issues related to the project

Posts

Rule for assessing the level of compliance of the criterion

Number of active contents analyzed / Number of active contents

Life cycle

Réalisation

12 other criteria related to the recommendation: Avoid active content, keep dynamic content under user control

Recommendation Essential

Videos

Can the information carried by the video be replaced by an alternative (computer graphics ...) ?

Advice

Animated content

Have you limited the animations ?

Recommendation

Animated content

Is the use of Flash removed, replaced by another effect ?

Recommendation

Animated content

Are active content triggered only on user action ?

Advice

Animated content

Is the duration of animated content that has been validated as necessary optimized ?

Advice

Videos

Which videos are really meaningful and useful for understanding the service (examples: logo, images, links, contractual images, etc.) ?

Recommendation

Videos

What videos can we avoid (not useful for understanding the service) ?

Advice

Videos

Have the alternatives to streaming (vs local video) been evaluated ?

Recommendation

Videos

Is the duration of videos (validated as necessary) optimized ?

Advice

Videos

Is broadcasting live sessions useful ?

Recommendation

Sounds

Can the sound of the video be rendered as text ?

Advice

Sounds / Videos

Are the CODECS of the sounds compressed to the maximum ?