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Handbook of Sustainable Design of Digital Services

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Frontend    ODD#12     ODD#13    

Are the functionalities covered by local actions (client side) privileged rather than API exchanges ?

Recommendation  Essential

API

C People

B Planet

B Prosperity

Difficulty

*

Priority

High

Récurrence

OnUpdate

Tests

Is the use of external APIs restricted (if possible)?

Precisions

The loads introduced by the solicitation of remote resources via API mechanisms can be significant. Certain functionalities could be covered by local rather than remote actions, which reduces the volume of exchanges and the number of components used, thus reducing the environmental footprint. On the other hand, the local processing of a functionality which may require new technical dependencies must not increase the load on the front end.

Use Case

Nagivation tests cover API calls. Developement tools allow tracking of data sizes (CHROME: network)

Additional elements

Operational issues related to the project

Posts

Rule for assessing the level of compliance of the criterion

Number of features analyzed / Number of candidate features

Life cycle

Réalisation

11 other criteria related to the recommendation: Use environments and tools that limit impacts

Recommendation

Flux

Do you use caching mechanisms to limit exchanges ?

Recommendation

API

Is the data fed back by the APIs really only the data that the application needs when it is requested ?

Advice

API

Is an openSource alternative available for APIs ?

Recommendation

Technology

Do the libraries used allow you to take only the components that are actually useful ?

Recommendation

Technology

Are unused dependencies identified and removed ?

Recommendation

Technology

Couldn't the expected functionality be implemented with the native capabilities of the browser ?

Advice

Technology

Is an openSource alternative available ?

Recommendation

Technology

Are all the technical equipment used by the service identified ?

Advice

Technology

For each equipment, are the characteristics available ?

Advice

Technology

Are the functionalities related to regulated data processing (health, personal, banking) validated in terms of interoperability ?

Advice

networks

Are the latest technical advances used when they really help reduce impact ?