Recommendation : 9. Implement technical solutions with the lowest impact
Are alternative image formats made available through srcset ?
UI
C People
B Planet
B Prosperity
Difficulty
N/A
Priority
/
Récurrence
/
Tests
Have the gains been measured with the use of srcset?
Precisions
The selection of the different sizes of images available can be left to the browser with an encapsulation of the images in srcset. The browser will select the format best suited to its use. This technique is not always the most efficient from an IT Sustainable point of view and must be validated against more static alternatives.
Additional elements
Rule for assessing the level of compliance of the criterion
0 / 0
Life cycle
Réalisation
20 other criteria related to the recommendation: Implement technical solutions with the lowest impact
UI
Is a clean version available for prints ?
user Experience
Is a CSS alternative available for an animation ?
user Experience
Is the service suitable for different accessibility media formats ?
UI
Are the animations necessary, desired by the user ?
UI
Is the service developed in accordance with RGAA recommendations ?
UI
Are the fonts used not loaded only for a small number of objects ?
UI
If printing, is an ink saving font installed ?
UI
Do you limit the number of fonts loaded for the service ?
UI
Are you reducing the number of pictograms used in the service ?
UI
Is a video the only solution for the expected illustration ?
UI
Are videos or animations outside the active area automatically paused / stopped ?
UI
Is it really a user action that triggers the "play" ?
UI
Is the definition of the sound suitable ?
UI
Does the lazy load bring a gain (weight of the page, CPU resource) ?
UI
Is formatting in css preferred, to limit the use of images ?
UI
Are CSS sprites implemented to limit the flow of image fetching ?
UI
Do all images have a text alternative ?
UI
Is the definition of the image reduced and adapted to its objective (illustration, contractual, ...) ?
UI
Are image resizing processed upstream and statically (server side) ?
UI
Have the different image formats available been evaluated to select only the most effective ?